Tools

Park's Compact Crank Puller is used to remove Shimano Octalink, ISIS Drive and square-taper cranksets. It includes 2 rotating tips (16.3 and 11.3mm) to make the job easy. This is a great tool for your travel and home tool kit.

A professional quality shop chain tool that works on 5-speed to 12-speed Road and Mountain Bike derailleur chains*, including SRAM AXS 12 speed, as well as 1/8-inch and 3/16-inch chains. The CT-3.3 features an adjustable locating shelf so it works on any width chain to remove and install chain rivets. Built to last and easy to use, the CT-3.3 features a comfortable handle, investment cast steel body and replaceable driving pin (#CTP). *The CT-3.3 will install, but not peen, Campagnolo 11 and 12-speed chain rivets. - Comfortable T-handle - Replaceable driving pin (CTP) - Investment cast steel body - Adjustable locating shelf

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

Park's Hex Wrench Set offers all the popular Allen wrenches (1.5, 2, 2.5, 3, 4, 5 and 6mm) in a convenient fold-up unit. The tool tips are chamfered for a positive grip and the one-piece fiber-reinforced-resin handle is light, comfortable, slip resistant and 40% stronger than steel.

To prevent poor shifting and uneven drivetrain wear, most manufacturers recommend chain replacement at or before 1% stretch. Now you can quickly and accurately determine the wear and stretch of any chain with Park's Chain Checker. Simply insert the Chain Checker’s pins into 2 links, press the swingarm gauge tight, and then check the gauge window for an accurate reading!

Cleans bicycle chain quickly, easily, and effectively — without the hassle and mess of removing the chain from the bike. The Cyclone uses a large solvent reservoir, hundreds of rotating bristles, and a two-step cleaning process to get chains really clean, improve shifting performance, and extend the life of the chain and other expensive drivetrain parts. - Works with all multi-speed bikes (5, 6, 7, 8, 9, 10, 11, and 12-speed) as well as some single-speed models and e-bikes - Strong magnet at the bottom of the fluid reservoir holds metallic particles scrubbed from the chain - Special wicking sponge draws solvent from the chain as it exits, minimizing drips and mess - Sturdy handle makes the Cyclone easy to use and control - Holds 2 fluid ounces (59ml) of solvent

Park's Chainring Nut Wrench makes chainring bolt installation and removal easy. It securely holds the slotted nut to prevent spinning when tightening or loosening the bolt. And, it's double-ended to fit most slotted-type nuts, including Campagnolo chainring bolt nuts.

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.

• Updated to be stronger, smoother, and more versatile • Features a new material and redesigned tip for easier entry into just about any tire, including tubeless • The unique design lifts the tire away from the rim and features a spoke hook to use when multiple levers are needed • This set includes 3 tire levers

Park’s Professional Cable And Housing Cutter is specifically for use on derailleur and brake cables and housing. It even makes quick work of hard-to-cut shift-cable housing. Its cold-forged, heat-treated-steel handles won't bend and its precision-ground jaws cut perfectly every time. Its dual-density molded grips are specially contoured for superior comfort and control. Plus, there’s a built-in cable-end crimper and a forming hole for reforming housing ends.

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.

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.

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.

Park's Heavy-Duty Tire Levers handle the toughest tire-and-rim combinations including difficult downhill and freestyle tires. Their specially designed tips engage the tire bead so it can be removed with just two levers. Plus, these beefy, forged-steel levers are a full 8-inches long for superior leverage.

Many chains use a master link that allows the chain to be installed and removed by hand. While master links don't require traditional chain tools, over time, dirt and corrosion can make it difficult to separate them by hand. Park's Master Link Pliers make removing and installing these master links quick and easy. Simply insert the specially sized jaws into the link and squeeze the vinyl-coated handles!

A dirty drivetrain causes poor shifting and unnecessary wear to expensive parts. The Chain Gang contains everything needed to quickly and easily clean the chain, freewheel cogs, and chainrings. The Chain Gang includes: - CM-5.3 Cyclone Chain Scrubber - GSC-1 GearClean Brush - 8 oz. bottle of Bio ChainBrite The CG-2.4 works on nearly any bike, including multi-speed, single-speed, and e-bikes.

Park's Valve Core Tool is great for tightening, removing and installing Schrader and Presta valve cores (the cores are inside the valve), and also Presta valve extenders that have 5mm wrench flats. It's a handy tool to save a tube when all that's wrong is a broken valve, and it also lets you remove valves to easily insert sealant.

A great way to hold small parts, tools and components during a repair, Park Tool's Benchtop Overhaul Mat features multiple small pockets and one large work area. It's perfect for suspension work or to organize parts for installation. • Made of a rubber-like PVC • Cleans easily and looks great on any bench • Measures: 14.7” x 7” (38cm x 18cm)

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.

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.

Professional quality T-Handle hex wrench built for speed, efficiency, leverage and a perfect fit. - Carefully selected combination of Chrome Vanadium and S-2 tool steels - Unique anodized aluminum Speed Spinner makes running long bolts in and out quick and effortless - Machined, chamfered tips allow easier insertion into hex fittings - Integrated “Strip-Gripper” twisted hex that makes removal of most bolts with stripped or oversized hexes fast and easy - Sliding T-handle creates increased leverage and multiple access positions

Park's professional-quality, precision-sized spoke wrenches are hardened and chrome plated for long service. Wrenches are vinyl coated in one of four colors indicating the size at a glance. You will find these wrenches in virtually every professional bike shop and every shop mechanic's personal tool stash. Make sure you have the sizes you need in your home toolbox and bike bag.

Park's Spoke Wrench For Shimano Wheel Systems is the right tool for the job. It's made of durable tool steel and features 4.4mm and 3.75mm openings to fit all Shimano Wheel System nipples located at the hub and at the rim. It's vinyl-coated for a great grip, too.

Park Tool's Bottom Bracket Tapping & Facing Set is a precision tool system which provides a piloted means of tapping the threads in the bottom bracket shell of a frame. After tapping, the taps act as guides to keep the included facing cutter perfectly square with the axis of the bottom bracket for cleanup of the faces of the bottom bracket shell. The BTS-1 includes English taps, 1.370" x 24 TPI right hand thread for the adjustable cup, and 1.370" x 24 TPI left hand thread for the fixed cup. Italian thread taps, 36mm x 24 TPI right hand thread (Part #693) for the adjustable and fixed cups, are available as accessories.

Park Tool's Fork Threading Set is designed for cutting new threads and for chasing existing threads on fork columns that are not chromed. The FTS-1's expandable cutting dies are made from the highest quality high-speed steel for precision cutting and long life. The unique thread guide system used with the FTS-1 is specially designed to allow the metal chips and shavings that result during use to fall completely through the guide, preventing damage to the fork threads and the tool. The FTS-1 includes: • Die handles • 1" x 24 tpi cutting die (Part #606) • 1" cutting guide (Part #610) Accessory dies and guides are also available separately: • 1-1/8" x 26 die (Part #607) • 1-1/8" guide (Part #611) • 1-1/4" x 26 die (Part #608) • 1-1/4" guide (Part #612) Die handles fit all three sizes of dies and guides.

Park Tool is world-renowned for their bicycle industry tools, and their pumps are no exception. Keep yours up to speed and working smoothly with these rebuild kits. - 1096K: Contains one #1081 head as well as one #1075 plunger gasket for older PFP-2 and first generation PFP-4 floor pumps. Also compatible with second-generation PFP-4 floor pumps. - 1096X: Contains one #1096R head, one #1472 fitting, and one #1075 plunger gasket for second generation PFP-4 floor pumps. Also compatible with PFP-2 and first-generation PFP-4 floor pumps. - 1096Z: Contains one #1096R head, one #1472 fitting, and one #1087 plunger gasket for PFP-5 and PFP-7 floor pumps. Also compatible with PFP-3, PFP-6, and PFP-8 floor pumps.

A perfect way to start a bicycle tool collection! A great combination of tools to help a home mechanic clean, adjust, maintain, and do some basic repairs on their bike. The SK-4 includes more than 15 genuine Park Tool products that can perform dozens of tasks and includes a custom Park Tool toolbox with extra room for spare parts and more tools. The SK-4 includes: - AWS-10 Fold-Up Hex Wrench Set - BBB-4 Big Blue Book of Bicycle Repair - CC-3.2 Chain Checker - CN-10 Professional Cable and Housing Cutter - CT-5 Mini ChainBrute Chain Tool - FR-5.2 Cassette Lockring Tool - GSC-1 GearClean Brush - HCW-16.3 Chain Whip/Pedal Wrench - HR-8 8mm Hex Wrench - MLP-1.2 Master Link Pliers - SD-2 Shop Screwdriver: #2 Phillips - SW-7.2 Triple Spoke Wrench - TL-1.2 Tire Lever Set - TWS-3 Torx Compatible 3-Way Wrench

Park's Cone Wrenches are made of durable tool steel and are nice and thin to fit on the small-clearance cones found on hubs and other bearing assemblies. Plus, they work as regular wrenches, too. They feature Park's special Y heads that put more material where it's needed for excellent durability and strength. Most applications require at least 2 cone wrenches. If you have questions please contact us and we can recommend the correct sizes for your needs.

The 2197 is an add-on accessory for the Park Tool DT-5 and DT-5.2 Disc Brake Mount Facing Set to enable easier and more efficient facing of disc brake mounts on carbon fiber frames. Features a brazed-on diamond grit surface that is over 100 times more durable and effective on carbon fiber than the cutter included with the DT-5.2. The 2197 sits between the cutter of the DT-5.2 and the brake mount, and smoothly and evenly grinds the mounting surface until it is flat and properly perpendicular to the rotor. NOTE: The 2197 is intended for facing carbon fiber only. Aluminum, steel, and titanium disc brake mounts should be faced using the #2171 facing cutter included with the DT-5.2. For carbon frames that feature aluminum inserts (with a carbon/aluminum hybrid mounting surface), use the #2197. When machining carbon fiber, regularly apply water (or a similar solution) to the cutting surface.

Professional quality T-Handle star-shaped wrench built for speed, efficiency, leverage and a perfect fit. - Carefully selected combination of Chrome Vanadium and S-2 tool steels - Unique anodized aluminum Speed Spinner makes running long bolts in and out quick and effortless - Sliding T-handle creates increased leverage and multiple access positions

They always say, the right tool for the right job. Park's P-handled Torx Wrenches are available in T6, T8, T10, T15, T20, T25, T30 and T40 sizes. They feature offset handles made from durable nylon with a comfortable, ergonomic design. The wrenches are made of high-torque industrial steel for excellent durability.

Includes two rotating brushes, two sponges and two wicking pads already installed in a composite cartridge, ready to snap into the CM-25 Professional Chain Scrubber (sold separately.

Park Tool's Frame and Fork Straightener is a versatile and productive tool. Its open hook design enables it to straighten not only frames and forks, but also cranks and handlebars and it features vinyl coating on the hook and fulcrum pad to protect painted surfaces. The FFS-2's hook offers 8 inches of fore-aft adjustment and can fit a frame or fork tube of up to 1-3/4 inches in diameter.

Wall or pegboard mounted holder designed specifically for Park's P-Handle Hex Wrenches. Positions wrenches for easy access with easy-to-read size designation for each tool. Tools sold separately.

Engineered for fit, function, and leverage, these L-shaped shop-quality Torx compatible wrenches are a must have for every workshop. - High-torque, industrial steel wrenches - Torx compatible drivers at each end - Includes T6, T8, T10, T15, T20, T25, T30, and T40 - Comfortable, ergonomically designed nylon handles fit perfectly in your hand - Durable wall/pegboard mount tool holder allows easy access and organization

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.

The Cyclone Chain Scrubber brushes are replaceable. The RBS-5 brush set includes the large side scrubbing brush, two roller brushes, and two wicking foam blocks.

Park's Adjustable Pin Spanner is the perfect tool for adjusting bottom brackets with threaded cups that have pin holes. It will also work on headset cups with holes and freewheel lockrings with them, too. This fine tool is made of chrome-plated steel and boasts hardened replaceable pins.

World-famous Park Tool quality wrapped up in a combination metric wrench. Features both open and 12-point two-way ratcheting box ends. Forged from chrome vanadium steel, chrome plated, meticulously polished, then center dipped in Park Tool blue vinyl for a positive grip. Strong, comfortable, and beautiful!

Park's Tire and Tube Repair Kit is a riding essential. It features Park’s glueless Super Patch Kit and strong nylon Tire Levers for quick and easy flat repairs. The kit comes with 3 levers, 6 patches in a small container, and a piece of sandpaper (for roughing the tube to prepare it for patching).

World-famous Park Tool quality wrapped up in a great set of metric combination wrenches. Forged from chrome vanadium steel, chrome plated, meticulously polished, then center dipped in Park Tool blue vinyl for a positive grip.

Park's Shop Screwdrivers are pro-quality tools featuring durable and precise heat-treated chrome-vanadium tips and shafts and dual-density handles for an excellent grip.

Park Tool's CTP-4K includes four replacement chain tool pins and one 5/32" ball bearing. To replace the chain tool pin, unscrew the cap, and pull out the old pin. Use care not to lose the ball bearing beneath the pin. Install the new pin and replace the cap. Works with the CT-4.3, CT-4.2, CT-4, and CT-11

A great shop accessory made to hold a wide variety of axles, spindles and any Park Tool Freewheel Remover/Lockring Tool. Made from precision extruded aluminum.

The key to wheels that are strong and reliable is having spokes that are properly and uniformly tensioned. Park's Spoke Tension Meter accurately and reliably measures the absolute tension of each of the spokes in a wheel, as well as the relative tension between all the spokes in a wheel. It's easy to use, affordable and it works on nearly any bicycle spoke, no matter its diameter, material or shape.

All metal cup made of 304 Stainless Steel.

The PK-5 includes over 90 of our best shop tools selected with versatility in mind. A great way to outfit a pro bench or to set up a dream home workshop. The PK-5 is an impressive, professional set of specialty tools that can help you perform hundreds of bicycle repair and maintenance procedures. An investment you'll use and appreciate for decades. Kit Includes: - ATD-1.2 Adjustable Torque Driver - AWS-1 Three-Way Hex Wrench Set: 4, 5, 6mm - AWS-3 Three-Way Hex Wrench Set: 2, 2.5, 3mm - BBT-10.2 Adjusting Cap Tool: For 8-Spline Hollowtech II - BBT-22 Bottom Bracket Tool - BBT-69.2 Bottom Bracket Tool - BO-2 Bottle Opener - CBW-1 Open End Wrench: 8/10mm - CBW-4 Open End Wrench: 9/11mm - CC-4 Chain Checker - CN-10 Professional Cable and Housing Cutter - CNW-2 Chainring Nut Wrench - CP-1.2 Cassette Pliers - CT-3.3 Chain Tool - CWP-7 Compact Universal Crank Puller - DAG-2.2 Derailleur Hanger Alignment Gauge - DH-1 Dummy Hub - DP-2 Threaded Dummy Pedal - DSD-2 Derailleur Screwdriver: Cross Tip - DSD-4 Derailleur Screwdriver: Flat Blade - DT-2 Rotor Truing Fork - FR-5.2H Cassette Lockring Tool with Handle - GSC-1 GearClean Brush - HMR-8 8 oz. Shop Hammer - HXS-1.2 Hex Wrench Set - MLP-1.2 Master Link Pliers - NP-6 Needle Nose Pliers - PAW-6 6" Adjustable Wrench - PH-1.2 P-Handle Hex Wrench Set - PW-4 Professional Pedal Wrench - RR-12 Tape Measure - SBC-1 Spoke, Bearing and Cotter Gauge - SBS-1.2 Socket and Bit Set - SCW-13 13mm Shop Cone Wrench - SCW-14 14mm Shop Cone Wrench - SCW-15 15mm Shop Cone Wrench - SCW-16 16mm Shop Cone Wrench - SCW-17 17mm Shop Cone Wrench - SCW-18 18mm Shop Cone Wrench - SCW-19 19mm Shop Cone Wrench - SP-7 Side Cutter Pliers - SW-0 Precision Spoke Wrench: .127" - SW-2 Precision Spoke Wrench: .136" - SWR-8 3/8" Drive Ratchet Handle - SZR-1 Shop Scissors - TL-1.2 Tire Lever Set - TL-4.2 Tire Lever Set - TL-6.2 Steel Core Tire Levers - TWS-1 Torx Compatible Wrench Set - UP-SET Utility Pick Set - VC-1 Valve Core Tool - ZP-5 5" Flush Cut Pliers

Having trouble getting at internal spoke nipples? Park's Square Socket Internal Nipple Spoke Wrench comes to your rescue. The extra-long socket fits recessed nipples on most deep-section aero wheels. And, the ergonomic handle is comfortable even after you've built wheels for the entire team.

Built to withstand the punishment of travel and constant use and molded from impact resistant polypropylene, the BX-3 features pallets with 70% more surface area than the BX-2.2. Easily transportable with the integrated wheels and extendable handle, this case was designed with the help of some of the world's best mechanics for optimal form, function and longevity. - Smooth rolling integrated wheels - Extendable handle - Dust and water resistant - Air pressure compensation valve - Custom designed tool-holding pallets with loops and pockets - Gas assisted lid struts for easy opening - Dual-sided upper and mid level folding pallet wings - Front tool pallet that stores safely inside during transport - Nominal dimensions: 23.4" x 17.3" x 9.3" (59.5 cm x 44 cm x 23.5 cm), 21.6 lbs. (9.8 kg)

Park's Crank and Bottom Bracket Wrench is perfect for working on old-style bottom brackets. The HCW-4 utilizes a 36mm box-end head and a pin spanner for your bottom bracket removal and installation needs.

Park's Side Cutter Pliers are professional quality, 7-inches long, and made from heat-treated, forged chromoly steel for crisp, easy cuts and durability. They boast soft-touch, dual-density handles for an excellent grip, too.

An economical option for safely and accurately tightening fasteners to proper torque specifications. With a simple gauge readout, the TW-1.2 is intuitive and easy to use, and applies up to 14 Nm of torque to any fastener or component with left or right-handed threads. Perfect for low-torque applications such as stem bolts, levers, and carbon fiber components. 3/8" drive for compatibility with all Park Tool sockets, bits, and crow feet. - 0 to 14 Newton meter (0 to 140 inch-pound) range - 3/8" drive - Reads and registers torque values for both left hand and right hand threading - Length: 11.5" (292 mm)

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-3 FEATURES - 2mm, 2.5mm, and 3mm hex set - Wrenches made from industrial tool steel, through hardened and tempered for long life - Chamfered tips for a perfect fit

Updated to fit an even wider range of hub, wheel and tire combinations with room to spare, utilizing a wider base structure and larger calipers. More accurate and easier to calibrate, the versatile TS-4.2 is solidly built to accurately self-center nearly any diameter wheel 16-inch to 29+ and any tire width up to 5-inches+. - Both uprights move simultaneously to always keep wheel centered in the stand - Accommodates tire widths up to 5-inches+ with or without brake rotor mounted - Speed knob to quickly change axle widths - Accommodates hub widths from 75mm to over 250mm - Precise operation and adjustability - Built in thru-axle adaptors - Machined, welded, assembled and calibrated in our factory in St. Paul, MN - Chrome plated and powder coated heavy gauge steel construction - Removable, replaceable nylon caliper tips to protect painted/anodized rims

Securely holds the TS-4 Professional Wheel Truing Stand and tilts 20 degrees from front to back for comfortable wheel work and sight lines at any bench height. Features a wide, sturdy base, small parts compartments, spoke wrench holders, and is constructed of a durable composite material.

The BKD-1.2 Hydraulic Brake Bleed Kit will bleed most models of DOT fluid-based hydraulic disc brakes, including models made by SRAM®, Formula®, Hayes®, and Hope®. Bleeding of hydraulic brakes removes air bubbles and contaminants from the braking system, for long-lasting components and peak performance. The BKD-1.2 is built for the rigors of daily commercial use and includes two syringes, hoses with shutoff clips, multi-size bleed blocks, and a set of our unique mountable syringe holders, as well as multiple hose fittings to fit the multiple standards found on hydraulic bicycle brake systems. Every part is replaceable and available from Park Tool. Housed in a rugged storage case. Includes: - Two 20 mL syringes Two hose assemblies with shutoff clips - Two 10 mm/12 mm universal bleed blocks - Two 11 mm bleed blocks for Hayes® systems -  Two adjustable syringe holders -  M5 x 0.8 adapters— SRAM® (x2) -  M6 x 1.0 adapter— universal (x2) - Bleeding Edge-specific fitting — SRAM® -  Hose compression sleeve — universal -  Set of spare O-rings and hose -  Replacement parts available -  Brake fluid not included NOTE: The BKD-1.2 is for DOT fluid-based hydraulic bicycle brake systems only. DOT fluid and mineral oil should never be mixed in the brake system or in their respective service tools. Cross-contamination of brake fluid may cause seal failure which may result in brake failure. For mineral oil brake systems use the Park Tool BKM-1.2 Hydraulic Brake Bleed Kit — Mineral Oil.

The TL-6.3 is a set of tire levers designed to provide all the advantages of both steel and composite tire levers. The steel core with protruding tip offers the strength and leverage needed to securely engage stubborn tire beads, while the durable composite coating makes for smooth operation and will not mar sensitive rim surfaces. With its ergonomic shape and ideal size, the TL-6.3 is perfect for use as an everyday shop lever or can be stored in a saddlebag or tool roll for the mobile mechanic. - Redesigned to be stronger and 0.75" (18 mm) longer than their successor, TL-6.2. - Set of two - Dimensions (each): 145 mm x 25 mm x 6 mm (5.75" x 1" x 0.24") - Weight (each): 46 grams (1.6 ounces) - TL-6.3 levers have been redesigned to be stronger and 0.75" (18 mm) longer than their successor, for increased leverage

Park Tool's Derailleur Clutch Wrench is a small, thin wrench with 5.5mm and 3mm openings designed to fit the rear derailleur clutch tension adjuster on Shimano XT, SLX, Deore, Saint and Zee rear Shadow Plus (+) derailleurs and all previous Shadow Plus models.

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

Disc brake rotors should be regularly checked for wear to ensure safety and performance. The DCA-1 installs onto most digital, dial, or vernier calipers (including the Park Tool DC-1) and features protruding contact points that allow measurement of the center of the braking surface, bypassing the unworn edge to ensure an accurate measurement. The conical end points of the DCA-1 can be used to measure center-to-center distances of bolt holes for calculating bolt circle diameter (BCD) of chainrings and cranks. - Compatible with most standard vernier, dial, and digital caliper designs