Be Prepared For Your Ride

Park Tool introduced the bicycle world to the 3-way hex wrench set over 30 years ago. Our 3-way wrenches fit perfectly in the palm of the hand and provide excellent leverage, making them a favorite of countless shop mechanics worldwide. AWS-1 FEATURES - 4mm, 5mm, and 6mm hex set - Wrenches made from industrial tool steel, through hardened and tempered for long life - Chamfered tips for a perfect fit

A favorite of shop mechanics for over 30 year's, Park's CCP-22 Crank Puller removes crankarms that feature square tapers, and those that fit on Power Drive and Power Spline bottom bracket interfaces. The long, comfortable, built-in handle and fine thread provide the leverage needed to remove even the tightest crankarms. And, there's a rotating tip to ensure smooth operation and long life.

Park's Mini Chain Brute Chain Tool goes anywhere and features a V-shaped handle, a super-strong replaceable pin, and fine threads to make chain removal and installation a breeze. The CT-5 works on any derailleur chain, including Shimano Hyperglide and 9-, 10-, and 11-speed. It works for loosening tight links, too.

Faster flat repairs and easier tire swaps. Take some of the frustration out of flat repair with a pair of anatomically shaped, robust tire levers from Bontrager. Tire levers designed and approved to work with Bontrager wheels and tires. Safe for Tubeless tires

A pair of Electra's Townie Aluminum Fenders on your ride will let you pedal even in less-than-ideal conditions. They're made from durable, low-maintenance aluminum and offer full coverage so you'll arrive squeaky clean. All mounting hardware is included for quick and easy installation.

Park's Gear Clean Brush has a handle on one end with a curved, serrated edge perfect for cleaning between cassette cogs. The other end's tough nylon bristles are ideal for cleaning the derailleurs, chain and other drivetrain parts to keep them clean and prevent premature wear. It also works great on brakes and other components that collect dirt and grime. The GearClean easily fits in a toolbox or pack.

Ride in any weather The Bontrager NCS fender is everything you want in a fender. It installs in seconds, is available in a variety of sizes to fit various bikes, and offers full coverage to keep you dry. The no-cut design includes everything you need for easy installation and it even comes with an integrated Blendr rear light mount. Product details - Fully assembled fenders that install in minutes - Integrated rear Blendr light mount for use with Bontrager Flare lights - No-cut struts allow quick strut adjustment for proper tire clearance - Double-back strut on rear fender adds support and stability - Made of lightweight yet super-durable polycarbonate - Stainless steel hardware resists rust - Four sizes available to accommodate most bike and tire configurations

Topeak's DeFender RX rear fender offers durable rain and mud protection on wet and sloppy rides. It's incredibly light and easy-to-use, too. The quick-release seatpost attachment allows the DeFender to be installed and removed in seconds.

A versatile floor pump that allows for easy transition between high volume and high pressure settings. A pump for road and MTB The Dual Charger Pump is versatile floor pump with multiple pressure settings that let you easily inflate high-pressure road tires and larger volume hybrid and MTB tires. A quick flip of the switch moves between settings, making it perfect for riders who own both a road and mountain bike. Product details - Steel construction and replaceable internals provide long-term durability - Auto-select head instantly fits both Presta and Schrader valves - Large, stable base minimizes tipping - Easy to read 4-inch base-mounted gauge - Base-mounted switch allows for easy transition between high volume and high pressure settings - High volume setting allows for quick inflation - High pressure setting allows for easy inflation as PSI increases - Max pressure 160 psi (11bar)

A compact multi-tool that is designed for integrated storage in compatible Trek road frames. Compact and easily stowed The BITS Integrated Multi-Tool is a compact multi-tool that is designed for clean, integrated storage into compatible Trek road bike frames. The small but smart design features hex tools from 2-8mm along with a T25 Torx, and flathead screwdriver. The ergonomic design makes the tool as easy to use as it is to carry. Product details - Designed for secure integrated storage in the new Domane with storage door - CNC-machined keys for lightweight durability - 2, 2.5, 3, 4, 5, 6, and 8mm hex along with T25 and flat-head screwdriver - Slim profile makes it easy to pack on any ride - Ultralight aluminum alloy design

Securely stow a multi-tool, chain breaker, and master link in your fork’s steerer tube for quick and easy access when you need it. Securely stow your essential trail toolkit in your fork’s steerer tube with this clever integrated storage solution. The compression fitting replaces a traditional MTB fork's star nut and keeps an included multi-tool and more cleanly out of sight, yet always at the ready—and it doesn't require you to thread your fork! Product details - Easy tool access for quick trailside repairs - Bolted compression system securely holds tool and carrier - Compression install replaces the star nut fitting with no need to thread fork - Simple install with two bolt lengths and included spacers for customizing fit - Includes BITS Multi-Tool with hex keys, screwdriver, chain breaker, and storage for quick links - 2, 2.5, 3, 4, 5, 6, and 8mm hex along with T25 and flat-head screwdriver - Compatible with MTB forks with threadless headsets and non-carbon steerer tubes - Not compatible on forks with oval internal steerer tube shapes like the Fox 38

A puncture in your tubeless tire doesn't have to be a death sentence for your ride. This handy carry-along tool repairs small punctures and cuts in tubeless bicycle tires without removing the tire from the rim, getting you back on the trail in no time. The TPT-1 easily plugs the hole by inserting one of the 5 included vulcanized rubber plugs into the puncture. This shrinks the puncture down to a manageable size, allowing the tubeless sealant to do its job and reestablish a seal. The unique sliding plug retainer holds the plug in place and prevents it from being pulled back out as the tool is removed. Everything is stored in a compact package that fits easily in a saddlebag or backpack pocket. - Includes 5 vulcanized rubber plugs (refills available — part #2370K) - Dimensions: 89 x 27 x 40 mm (3.5" x 1.1" x 1.6") - Weight: 79 grams (2.8 oz.) with plugs NOTE: Intended for tubeless bicycle tires using sealant only. Not compatible with inner tube systems.

Bontrager's Air Support HV is a life-saver when you flat out on the trail. A large volume chamber makes it a breeze to use on fat mountain bike tires. It has an easy-to-use thumblock, an auto-selecting head that fits Presta and Schrader valves, plus a fold-out T handle and a dual action for fast inflation. The Air Support HV is compact and light and it comes with a mount to carry it on your frame.

For the perfect pressure A shock pump with an accurate, easy-to-read gauge and a thread-on design that minimizes bleed off so you can easily adjust your shock pressure. The perfect pressure takes precision. The Bontrager Shock Pump features a large, easy-to-read gauge for accurate readings, a bleed valve for pinpoint accuracy, and a thread-on design that quickly attaches to front and rear suspension shocks for a reliable, secure connection. - Easy-to-read gauge that is accurate to 400 PSI - Threaded design for a secure connection that reduces bleed down - Bleed valve reduces pressure in small increments - Suitable for use with front forks and rear shocks

Showroom™ Polish & Protectant with Ceramic Technology delivers maximum luster, it repels water, and prevents grime buildup. Your bike and components will stay clean for longer intervals. Showroom is safe for use on clear coat, carbon fiber, aluminum, titanium, steel, chrome, and stainless steel. Simply spray on and let sit for 10 seconds. Then wipe off with a clean rag. Due to Showroom’s proprietary formulation there is no need to pre-wash the bike. Enjoy the shine! Showroom Polish & Protectant will: - Clean frames and components without a prewash - Protect the bicycle from water and perspiration - Prevent a buildup of grit and grime - Keep your bicycle looking new

With today’s lightweight components, torque wrench use in the shop is no longer an option — it’s a must for every mechanic. The Park Tool TW-5.2 is a high-quality, ratcheting, click-type torque wrench that accurately measures and applies the proper amount of torque to a component’s threaded fastener(s). With a range of 2-14Nm, the TW-5.2 is designed for the lower torque settings that a shop or consumer would use for proper seat post, seat clamp and handlebar / stem applications. Comes with its own protective case.

Specially designed for crank bolts, freehub removals and pedal installs and removals, Park's Hex Tools are built for speed, leverage and comfort. Their super-precise hex heads and dual-density, ergonomic handle mean the HTs may soon become your new favorite tools.

Easy to use, easy to control and affordable. The Mircoflate Nano gives you the best bang for your buck when it comes to quality and ease of use. Simply thread on your favorite CO2 cartridge, twist the cartridge off slightly to engage inflation and tighten it back on to shut it off. Petite power! - Compact and nearly indestructible - Easy to use and fully controllable - Patented twist-to-inflate technology - Press on to both Schrader and Presta valves - Compatible with 16 gram, 20 gram and 25 gram threaded CO2 cartridges Product includes: (1) Microflate Nano inflator head (1) threaded 20 gram CO2 cartridge

Specifically designed for 27.5” and 29” wheeled MTB’s. The DeFender front and rear fenders are the perfect choice for lightweight durable mud protection on those wet and sloppy rides. Quick release allows DeFenders to be installed and removed in seconds. A highly polished underside helps prevent dirt buildup and aids in cleaning. Fits 27.5” – 29” MTB tires up to 3” wide. - QR fork attachment fits 19.6mm/26mm/27.7mm/35mm steerer tube - Two tone injected high impact resistant plastic - Weight: 233 grams - Rear angle adjustable - 73x21x11cm/28.7x8.3x4.3-inch

FRESH out the bowels of Muc-Off Research and Development comes the NEW Bio Grease! Designed specifically for bicycle use, Muc-Off Bio Grease possesses a unique formula that prevents corrosion and water ingress so your bike’s components will last long into the future! Use Muc-Off Bio Grease to increase your performance, and ensure every ride will be smoother than your last. Muc-Off *Biodegradable Bicycle Grease is specifically blended for the unique ‘low speed’ applications found on bicycle parts where reducing friction is paramount. This premium formulation is based on renewable resources, and has a combination of extreme pressure lubricity additives and natural ‘slip’ giving it unrivaled performance in its class! Bio Grease also has the added benefit of being readily biodegradable and extremely resistant to water wash off, which helps prevent corrosion, reduce friction and improve the performance of moving parts. The guys at Muc-Off are dedicated to making eco friendly products that won’t harm you, your bike or the planet and Bio Grease is no exception. This new grease is fully biodegradable and free from any nasty petroleum based oils! NOT for use on Bicycle chains *Only contents are biodegradable. - Prevents corrosion and water ingress so your bike’s components will last longer - Specially formulated for "low speed" applications unique to bicycle parts, where reducing friction is paramount - Extremely resistant to water wash-off, which helps prevent corrosion, reduce friction and improve the performance of moving parts - Fully biodegradable and free from petroleum-based oils

Bontrager's Air Support Road hand pump is a highly durable pump with a small volume chamber for quick inflation of higher-pressure tires up to 115 psi. The fold-out lever locks the pump head securely to the valve for consistent airflow into the tire. Use the included bracket to easily mount it under your bottle cage. Available in two lengths: Long for more air per stroke, or Short for an easy fit into a jersey pocket.

Comfortable, durable and most of all reliable, the Ultraflate is Genuine Innovations' most tried and true cupped inflator. Its reinforced glass nylon construction and brass internals means it can take the strain of everyday use and still maintain precision inflation performance. - Trigger-controlled technology for fast, easy and controllable CO2 inflation - Built-in "trigger lock" to prevent accidental discharge - Compatible with non-threaded 20 gram CO2 cartridges and threaded 16 gram, 20 gram and 25 gram CO2 cartridges - Works with both Presta and Schrader valves - Store a non-threaded 20 gram CO2 cartridge in the cup Includes (1) Ultraflate inflator head (1) non-threaded 20 gram CO2 cartridge

Our Classic ORIGINAL chain lube is a liquid plastic and through polymerization forms long-lasting plating on all chain surfaces. - “Riding in” forms an extremely low-friction plating. - Plating bonds to chain; can’t be washed off! - Components stay cleaner, last longer, and run quieter. - Extremely durable, outlasts all other chain lubes! - Environmentally sensitive and saves money. - To be applied sparingly unlike many other lubes. Classic Lite and Original Bicycle Chain Lube (BCL) differ only in their concentration. Original BCL is more concentrated for exceptional durability under the most challenging conditions. The two formulas are compatible and may be used interchangeably. We recommend the Original Bicycle Chain Lube for mountain bikes, cyclo-cross, and more extreme conditions. You can confidently use Dumonde Tech’s Bicycle Chain Lube on all cables, pivots points, and seals. Safe on plastic, rubber, all seal materials. The product is designed to not harm your components. Eco-friendly and environmentally sensitive, our products are engineered to perform with minimal “carbon footprint” by not washing off in water, to use sparingly, lasts longer between applications, and your drive train lasts longer. Very good performer in the extreme cold conditions..

Shimano Hydraulic Disc Brake Fluid - Non-corrosive mineral oil that offers excellent heat expansion properties - Mineral oil will not absorb water from the air - Not caustic and is non-toxic

Commonly referred to as a 4th Hand, Park's Cable Stretcher pulls cables tight. Its one-hand operation and thumblock holds the cable so you can easily maintain cable tension while tightening cable fixing bolts and nuts. Made from chrome-plated and heat-treated steel and featuring cushion grips for comfort, the Park Cable Stretcher is a must for any serious mechanic.

A fender that is ready when you are On some rides you want a fender. This Universal Fender is designed for quick and easy installation on road, mountain, gravel, or city bikes so that riding with a fender on any bike can be a game-time decision. The versatile attachment clamp securely mounts tp most seatposts, and the front and rear set are designed to work with tire widths from 700x23 all the way up to 27.5/29 x 2.8. Product details - Front and rear fender set fits tire widths from 700x23 to 27.5/29x2.8 - Versatile fender offers simple and effective protection from the elements - Universal attachment clamp designed to fit most seatposts - Quick and easy installation or removal

These 16-gram cartridges can be used with Genuine Innovations' Second Wind MTB, Ultraflate and Proflate models as well as other cupped inflators.

The BBT-22 is a shop-quality tool for installing and removing Shimano and ISIS Drive splined 20-tooth bottom bracket cups. Made from investment-cast steel, the BBT-22 ensures maximum engagement with the bottom bracket cup. It can be used with a 3/8-inch drive torque wrench, a 3/8-inch ratchet driver, a 32mm wrench, the Park FRW-1 Freewheel Remover Wrench (sold separately), or a 1-inch wrench.

Designed to leave zero residue after application, Finish Line’s Bicycle Disc Brake Cleaner displaces any moisture built up on the pad or rotor, resulting in improved and predictable braking, and reduced brake squeal. With the unique characteristic of being acetone free, Finish Line’s Bicycle Disc Brake Cleaner is strong enough to clean the dirtiest rotors, yet safe enough to use around paint, carbon fiber and plastic parts. - Engineered to rapidly clean disc brake rotors and pads - Acetone-free formula

- A biodegradable degreaser that cuts through the toughest grime - Strong enough for the metal parts, Yet safe enough to clean parts with rubber o-rings and seals, urethane elastomers, and painted surfaces - Exceeds all federal V.O.C. and California carbon regulations - Law prohibits ORM-D materials from shipping by air

Park's Double-Ended Cone Wrenches are designed for home mechanics. They're made of thin tool steel to fit the low-clearance adjusting nuts and cone flats on a variety of bearing assemblies. Each wrench is chrome plated for long life and available in popular combinations from 11 to 18mm. Most applications require a pair of cone wrenches. Call or stop by. We can recommend the correct sizes for your needs.

Help your bearings run smoother and longer with Finish Line's Ceramic Grease. Its special blend of ceramic particles, Teflon and synthetic oils helps lube your bearings and dissipate heat, guaranteeing longer life and better function. Plus, it works great on stems, posts, cables and other threaded assemblies, too. - Optimizes performance and efficiency of bottom brackets, hubs and headset bearings - Use on stems, seat posts, cables and any threaded assemblies - Prevents rusting even when exposed to salt water - Clear and non-staining

- Easily and neatly inject sealant into your tires or tubes - Presta and Schrader compatible

For extreme conditions, you need an extreme lube. That's when you grab Finish Line's Wet Lubricant. It's ultra water-resistant and long-lasting thanks to its special formulation of synthetic oils, special polymers and anti-wear additives. This lube delivers superb drivetrain lubrication and protection and it's the ultimate choice for muddy off-road rides, all-day epics and long, rainy commutes. - Formulated with high viscosity synthetic oils, water repelling polymers, and advanced anti-wear additives - Will require more attention to drivetrain cleanliness, but delivers the ultimate in lubricity and protection - Upon application, wipe excess off chain to minimize attraction of dirt and grime - Finish Line's Wet Lubricant delivers the ultimate in lubricity and protection. It requires a little more attention to drivetrain cleanliness compared to Finish Line's Dry or Wax lubes.

Keep your tail clean On some rides you want a fender. The Universal Fat Bike Fender is designed to offer quick and easy installation so that riding with a fender can be a game-time decision. The versatile attachment clamp securely mounts to most seatposts, and the front and rear set are designed to work with tire widths from 3.0 to 4.75 inches. Product details - Front and rear fender set fits tire widths from 3.0 to 4.75 inches - Versatile fender offers simple and effective protection from the elements - Universal attachment clamp designed to fit most seatposts - Quick and easy installation or removal - Trim lines on front fender offer customizable shape to fit tires and bike

Everything you need Be prepared for roadside adjustments and minor repairs with the Bontrager Comp Multi-Tool. This simple tool features a compact design that easily packs away yet provides all of the essential tools to keep your bike tuned and running smoothly. Key features - 2,2.5,3,4,5,6,and 8 hex along with Phillips, flat and T25 - Alloy sides for a sleek lightweight design - Material: Steel

Product details - Intended for low and mid-volume pavement tires - Inflates tires to 80 psi (5.5bar) with little effort - Auto-select head locks securely onto Presta or Schrader valves - Fold-out lever securely locks pump head to valve - Mounting bracket fits easily under bottle cage - Easy to read pressure gauge puts information within view

This combination chain whip and freewheel / lockring remover wrench is heat treated to prevent bending and flexing, with a molded handle for comfort. - 1/8-inch model works on 1/8-inch chains and sprockets - 1-inch (25.4mm) box-end wrench fits Park Tool Freewheel/Cassette Lockring Tools - Features hardened pins to keep the chain in place

• Updated to fit better in the hand with a more rounded, smoother shape • The precision sized SW-7.2 fits the three most popular spoke nipple sizes on the market • Nickel plated for years of service • Designed for the home mechanic. FIts the following size spoke nipples: • .127" (3.23mm) • .130" (3.30mm) • .136" (3.45mm)

Park's versatile Headset Wrench is constructed from hardened, laser-etched steel for the maximum in durability and precision. The HCW-7 is a dual sided wrench that features a 30mm opening on one end and a 32mm opening on the other.

- Formulated with nano-ceramic boron nitride and surface bonding resins to create an ultra-slick, protective dry film - This film does not absorb abrasive contaminants, which reduces friction, prevents annoying squeaks and premature wear, and repels moisture to prevents corrosion - Sprays on to fully and evenly coat all frictional surfaces - Engineered to ensure fast engagements and smooth releases every time

Clipless pedals require regular maintenance for optimum performance and longevity. Finish Line's Pedal and Cleat Lubricant sprays on to fully and evenly coat all frictional surfaces and is engineered to ensure you click in and out of your pedals quickly, easily and smoothly every time. It also helps prevent creaks and squeaks from the pedal/cleat interface. Plus, thanks to a 100% dry-to-the-touch (in seconds) micro-thin coating, there is no oily, greasy film. So, it's safe to walk around on floors in your cycling shoes. Finish Line's Cleat and Pedal Lubricant was designed in conjunction with the pedal experts at Speedplay.

Park's versatile Headset Wrench is constructed from hardened, laser-etched steel for the maximum in durability and precision. The HCW-15 is a dual sided wrench that features a 32mm opening on one end and a 36mm opening on the other.

20 grams of Genuine Inovations' exclusive size CO2 cartridge. Specifically designed for your larger volume 29ers, mountain and fat bike tires. These non-threaded CO2 cartridges work great with the Ultraflate (#G20310) and Full Metal Jacket (#G20440) inflators. Available in a 2-pack or 6-pack!

The BBT-4 is made for the installation and removal of 6-notch SC-S and AC-H cartridge cups used on sealed cartridge bottom brackets. These bottom brackets have six notches around the outside of each cup. The handle of the BBT-4 is vinyl coated for comfort. The major diameter of the tool is nominally 44mm, and the minor diameter 38mm. The BBT-4 is compatible with the following sealed cartridge bottom brackets: • Campagnolo Veloce • Xenon • Mirage • Daytona • Avanti

The Park FR-3 Freewheel Remover fits SunTour four-notch freewheels. It's built thin so that removing axle parts is unnecessary. And, it's constructed of durable heat-treated steel.

The Park Tool SBS-1.2 is a shop-quality set of sockets, hex bits, and Torx style bits, selected specifically for common bike repair needs. Ideal for use with Park Tool torque wrenches, the SBS-1.2 3/8" drive bits and sockets are made from tough, chrome vanadium steel for lasting durability.

Finish Line's Premium Grease With Teflon is a race-proven lubricant formulated for the unique demands of bicycle bearings. It's exceptionally strong and thick, it doesn't separate and it repels water even when submerged. Rated "5 Chainrings, Exceptional Grease" by Bicycling Magazine, it's very slick and very tough and lasts as much as 5 times longer than petroleum grease.

Finish Line Citrus Degreaser. Super strong and fast. Cuts through the toughest of carbonized grit, grease, and grime. Low surface tension for thorough penetration into all areas. 100% active, biodegradable and nontoxic.

The strong, lightweight IB-2 features ten essential tools in the compact form factor of our unique I-Beam handle. Perfect for on-the-ride adjustment of brakes, handlebars, saddles, or derailleurs. With its compact size, the IB-2 is a perfect tool for the saddlebag, jersey pocket, or toolbox.

A reliable floor pump featuring a durable steel barrel, an auto-select head, and a stable base. Fresh air for your tires Nothing slows a cyclist down like an inappropriate amount of tire inflation. Loaded with features like a stable, tip-resistant base, a durable steel barrel, and an auto-select head, the Charger stands ready whenever your tires need a little boost. Product details - Steel construction and replaceable internals provide long-term durability - Auto-select head instantly fits both Presta and Schrader valves - Large, stable base minimizes tipping - Easy-to-read 3-inch base-mounted gauge - Max pressure 160 psi (11bar)

Finish Line's Fiber Grip Assembly Gel is specially designed to create friction and reduce slippage between clamped carbon fiber surfaces. It eliminates the need to over tighten clamps to achieve secure connections. Plus, it's been tested and approved by leading carbon fiber component manufacturers.

Finish Line's Dry Lubricant with Teflon keeps your bike running silky-smooth rain or shine. It's very thin yet extremely durable thanks to its synthetic oils and Teflon particles. Great for your chain, cables, cleats and springs, its dry surface texture minimizes the accumulation of dirt and grit. Plus, it's biodegradable. - Great for dry, dirty and dusty environments. Attracts less grime and runs clean - Holds up well in moderately wet conditions - Can be used on derailleurs, shifters, cables and brake pivot points - Finish Line's most popular and versatile lubricant

A convenient all-in-one pack containing useful tire-change essentials. Flats happen. Make sure you're prepared with a Bontrager Flat Pack. Featuring the storage, inflation, and tire removal equipment you need to handle an emergency flat repair, this purchase also includes a coupon for a free Bontrager tube so you can get the right size for your bike and tires. Product details - Kit features everything you need to quickly fix a flat, including the seat pack - Includes Pro Small seat pack (non-QC) for quick and easy on-bike storage - Contents include: mini pump, three tire levers, and patch kit - Also includes coupon for a FREE Standard Bontrager Presta or Schrader inner tube

Park's I-Beam Mini Fold-Up Hex Wrench/Screwdriver/Torx Set with Chain Tool includes 1.5, 2, 2.5, 3, 4, 5, and 6mm Allen wrenches, a socket 8mm Allen, a regular screwdriver, a T25 Torx tool (for disc-rotor bolts), a tire lever, spoke wrenches and a chain tool. The I-Beam conveniently fits in pockets and packs, too.

Park's Home Mechanic Pedal Wrench is great for your home workshop and event tool box. This top-quality 15mm pedal wrench provides the leverage you need to remove stubborn pedals. It's made to last from heat-treated steel, and the handle has a vinyl grip for comfort.

Need to give your bike some quick attention before you head out the door? Give it a quick shot of Finish Line's 1-Step Cleaner And Lubricant. It loosens and removes grime, while at the same time laying down a thin layer of low-friction lube that reduces drivetrain noise and premature component wear. Keeping your bike running smooth has never been easier!

The Park FR-6 Freewheel Remover fits most 4-notch BMX and singlespeed freewheels. It can be held with a wrench or vise and its narrow profile allows use without removal of cones and locknuts.

The 4th edition of the Big Blue Book of Bicycle Repair is updated with the latest information, procedures and techniques and covers everything from minor adjustments to complete overhauls. The BBB-4 features clear, step-by-step instructions, high quality color photos and useful charts and graphs to thoroughly explain and demonstrate hundreds of repairs. Written by one of the world’s leading authorities on bicycle repair and maintenance, Park Tool Director of Education, Calvin Jones, the Big Blue Book is the perfect reference guide for nearly any level mechanic and every bike. New information and topics included in the BBB 4th edition: - 12-speed and 1x drivetrains - Tubeless tires - Disc brakes - Electronic shifting - New wheel building content - Updated headset and bottom bracket standards - Updated torque specifications - Updated troubleshooting tables

Park's versatile Headset Wrench is constructed from hardened, laser-etched steel for the maximum in durability and precision. The HCW-9 is a dual sided wrench that features a 36mm opening on one end and a 40mm opening on the other.