Tools

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

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.

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!

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

When a mechanical problem has you feeling lost in space, the Alien II is the extraterrestrial that will ensure you don't have to phone home. Its molded-plastic body provides an excellent gripping surface and splits in two with a press of a button. Tools include: 2, 2.5, 3, 4, 5, 6, 8 and 10mm Allen wrenches; 8, 9, 10mm box wrenches; Phillips and regular screwdrivers; a universal chain tool; 14- and 15-gauge spoke wrenches; a stainless-steel knife; a T25 Torx wrench for disc brakes; and a compartment for 2 chain pins. There's even a handy bottle opener for after the ride.

The Masterlink Pliers is a multi-tool developed to provide functions that are not on a typical multi-tool. It is designed to be light and compact so you can carry it with you. This tool serves as a tire lever, valve core remover, valve stem lock nut wrench, and master link pliers. It also provides storage for two master links so you will always be prepared on the trail. Magnets hold the master links securely in place and self close the tool. - Weight: 38.5g - Size: 116 mm x 20 mm x 9 mm - Material: 7075-T6 aluminum - 9, 10, 11, and 12-speed master links and chains - Compatible with SRAM PowerLock Link, Shimano Quick-Link, KMC Missing Link and other similar master links

- Snap onto any Rx Micro multi-tool - Integrated quick link storage pockets - Levers snap together with bonus tool insert featuring integrated Presta Valve Core Tool, Valve Extender Wrench, and Storage Pocket for Shimano and Campagnolo master pins. - Pedro's proprietary plastic blend delivers impressive strength & performance in compact size. Pedro's new Micro Levers are born from award-winning DNA, fight well above their weight of just 20 grams, and pack a few extra tricks up their sleeve. Bring on the flat tires and trail-side repairs. Available in yellow, pink, green, orange, and black.

Problem Solvers 90 degree Presta valve inflator is used to inflate disc wheels, thanks to its narrow, low-profile head. • Presta valve • 90 degree inflator works with most pump heads

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

• 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 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.

The ultimate trailside companion. These high tensile steel multi-tools feature a precise fit and finish and side grips for a secure handhold even with gloves on. The m19 includes: - Chain tool: 8/9/10 speed compatible - Spoke wrench: #0, 1, 2, 3 - Hex wrenches: #2, 2.5, 3, 4, 5, 6, 8 - Open wrench: 8mm, 10mm - Screwdrivers: Phillips #1, Phillips #2, flat #2 - Torx: t-10, t-25 - Stainless steel carrying case - Length: 89 mm - Weight: 175g - Warranty: lifetime

Get the most from your Bontrager Switch Lever thru axle system. Product details - Original equipment replacement lever for Bontrager Switch Flip thru axles - Can be kept inside the thru axle or left off the bike to save weight - Lever is held securely by internal O-ring on the thru axle

The tire lever, though seemingly one of the simplest and most basic of cycling tools, is one commonly used by almost every cyclist, and unfortunately, one often responsible for unnecessary frustration. Really, what is more fun than flatting far away from home, being thrilled you lugged that spare tube and pump, and then having your tire levers snap in two? Pedro's award-winning, universally loved tire levers feature molded box construction and a proprietary plastic composite blend that makes them the strongest levers available. The unique chisel tip shape easily inserts beneath the tire bead and the slightly thicker shape keeps the lever securely in place. Additionally, the bold shape of the lever and helpful dual spoke hooks makes removal of even the tightest tires a simple task. - Award-winning and universally loved - Molded box construction and proprietary plastic blend makes these the strongest levers available - Chisel tip shape is easy to insert beneath the bead and the slightly thicker shape keeps the tire lever from slipping - Bold shape makes it easy to remove the tightest of tires without bending or breaking

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

Make simple trailside or roadside repairs with this multi-tool that has 14 functions. An 8mm hex head has a 4mm insert to fit each of the eight attached hex bits. With its slim design, this multi-tool can be stowed inside an EnCase System Storage Sleeve to be carried in handlebar ends as it was designed, or a mainstay on any home workbench. - 14 functions (spoke wrench; valve core wrench; flat head #3.5; Phillips #2; 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, and 8mm hex; and T10, T25, and T30 Torx) - Magnets & O-rings keep all parts in place - Ball detent swivel head helps access hard-to-reach places - Handle doubles as breaker bar when ball detent swivel head is bent for extra torque - Store in handlebar with a Wolf Tooth EnCase Storage Sleeve (sold separately) - Magnet on bottom end of tool allows for storage on steel bike stands - Fits all standard mountain handlebars and most drop bars (except being ergonomic drop bars that have hard angles in the drops)

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.

Refined functionality The Bontrager Elite Multi-Tool combines smooth style with practical design. This elegant 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 - CNC-machined keys for lightweight durability - 2,2.5,3,4,5,6, and 8 hex along with Phillips, flat and T25 - Slim profile makes it easy to pack on any ride - Ultra-light aluminum alloy design

The ultimate trailside companion. These high tensile steel multi-tools feature a precise fit and finish and side grips for a secure handhold even with gloves on. The m17 includes: Chain tool: 8/9/10 speed compatible Spoke wrench: #0, 1, 2, 3 Hex wrenches: #2, 2.5, 3, 4, 5, 6, 8 Open wrench: 8mm, 10mm Screwdrivers: Phillips #2, flat #2 Torx: t-25 Length: 89 mm Weight: 168g Warranty: Lifetime

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)

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

Bontrager's Tire Levers handle the toughest tire-and-rim combinations. Their specially designed tips engage the tire bead so it can be removed with just two levers. Plus, these beefy, high-strength plastic levers fit your hands great for superior leverage.

Bontrager Pro Ratchet Multi-Tool delivers professional quality in a small, light, and portable package. A 72-tooth micro-ratchet and Swiss S2 steel bits provide unmatched precision for adjustments in the workshop or on the road. The modular design offers clever configurations that make access to any bolt a breeze, and even includes an integrated torque setting. And it all wraps up in a classy case that keeps everything in its place. - Precision ratchet with convertible magnetic extension - 12 function - 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, T10, T20, T25, #2 Phillips, steel bit extender - Ti-Torque beam for measuring 2-8Nm with live readout - Duck waxed canvas carrying case measuring 120mm x 70mm x 30mm

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)

A compact yet capable tool with an array of hex, torx, spoke, screwdriver, and chain tools. Make road- or trail-side adjustments and fixes with confidence using 1 of 15 integrated tools packaged in the slim and easy-to-carry design of Bontrager Pro Multi-Tool. A vast array of hex, torx, spoke tools and screwdrivers will have you back on your back in no time —and it all packs down small in a magnetic case for easy carrying in a pocket or bag. Product details - Slim magnetic case doubles as handle for all tools, including chain tool - 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, #2 Phillips, #1 Flat, T25 and 0, 1, 2, 3 spoke - Lightweight, durable design stows nearly anywhere - Chain tool compatible with 8, 9, 10, 11, 12-speed drivetrains - Integrated bottle opener for post ride refreshments

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

- Zyklop socket with 3/8 inch drive and holding function - "Take it easy" Tool Finder with color coding according to size

Periodic hydraulic remote bleeds are necessary to maintain consistent performance. RockShox's Bleed Kit has everything you need to keep your Reverb and X-Loc remotes functioning at their best.

- Durable double-ended brush - Ideal for chains, cogs, derailleurs, and chainrings. - Recommended for use with Pedro's cleaner and degreaser products. - Solvent resistant synthetic handle and bristles. - Not recommended for oral use. Pedro's Toothbrush is designed to tackle the drivetrain and is ideal for cleaning chains, cogs, derailleurs, and chainrings. The ergonomic handle is paired with two purpose built brush features. The tapering length bristles up front are designed to scrub the intricate surfaces of chains, chainrings and cassettes while at the opposite end, longer, stiffer, larger-diameter bristles reach deep between the cassette cogs removing even the deepest dirt and grime. The Pedro's Toothbrush can also be a great tool for applying degreaser to drivetrain parts. While holding the Toothbrush flat with the bristles out to the side, pour degreaser to the bristles. Then quickly move the toothbrush to the drivetrain and apply the degreaser using a light scrubbing motion. This technique works especially well with Pedro's Degreaser 13.

Wera torque screwdriver. Featuring a Kraftform pistol handle for high torque transfer, the multi-component handle is easy on the hands and makes for ergonomic screwdriving with hard and soft zones for high working speeds. - Fixed torque setting with highest precision. - Unlimited torque to loosen seized screws - Suitable for bits with 1/4" hexagon head drive - Kraftform torque screwdriver with pistol handle and Rapidaptor quick-release chuck - Rapidaptor technology for rapid bit change - Distinct signal when pre-set value is reached

Precision Bit Driver With Screwdriver Bits - Ergonomic machined aluminum body with bearing-mounted rotating cap for precision and control. - Magnetic bit drive accepts any standard 1/4" hex bit. - Internal storage for two bits. Also compatible with Multi-Torque Bit Set. - Includes JIS compatible PH#1, JIS compatible PH#2, and 5mm Flat Blade bits. Designed for speed, precision, control, and versatility the Pro Bit Driver is ideally suited to assembly and tuning, and easily adapts to different tasks. Features precision S2 tool steel bits, machined aluminum body, 1/4" magnetic hex bit drive, and bearing-mounted rotating end cap. Add the compatible Multi-Torque Bit Set to store eight additional bits on board.

Precision brake bleeding tools and adaptor kits for Magura brake systems. - Consumer level bleed kit

Fizik offers this downhill MTB saddle with a special tool carrier custom designed for Alpaca saddles. GRAVITA ALPACA X5 is a gravity mountain bike saddle that gives you the control you need for fast, aggressive downhill riding. Specs: - Dimensions: 251 x 130 mm - Weight: 216 g - Height at 75mm width: 40mm - Length from nose to 75mm width: 130 mm - Rail: 7x7 mm GRAVITA ALPACA X5 FEATURES - Alpaca: smooth-edged shape that combines support and riding control for dropper post use - X5: a combination of a ride-compliant fiber reinforced nylon shell and an S-Alloy rail - Mobius rail: closed loop design for added strength and weight distribution - co-injected elastic wing panels that flex upon impact ALPACA TOOL CARRIER FEATURES The Alpaca Tool Carrier Includes: Two removable 16g CO2 housings and a twelve-feature Multitool with: - Hex Wrenches – 2/2.5/3/4/5/6/8mm - Screwdrivers – Phillips/Flat head - Torx – t-25/t-10 - Inflator Head - Two reusable zip ties

Tubeless tire plug kit plus CO2 head. - Tire plug tool - Tire plugs - CO2 head - Storage case - Mounting bracket - 5 year warranty

- Complete set of replacement seals for Jagwire Elite DOT Bleed Kit - Black seals provide easy identification for use with DOT fluid systems only

Sliding T-Handle Torx Wrench - Updated design features increased tip and head clearances, improved indexing, large easy-to-read size marking, and color bands for quick size identification. - Premium S2 tool steel construction and three precision tips ready to tackle any task. - Three-position sliding t-handle design and extra-long extended leg offer the ultimate in speed, ergonomics, leverage, and versatility. Pedro's Master T Handle wrenches have quickly become a favorite of elite mechanics around the world. With a solid foundation to build on, each wrench has been redesigned from the ground up. The new wrenches feature unmatched tip and head clearances, improved sliding T indexing, large easy-to-read size markings, and color bands for quick wrench identification.

Three Way, Any Way! Professional model MagGlide(tm) sliders secure bits until you release them. Three-way tool using Prestacycle standard 1/4" Hex bits allows you to use the tool to suit the job. Replaceable bits means that if the tips wear-out, you don't throw away this tool like other Three way tools. Just replace the bits. There's no plastic here. Internal Reinforced structure underneath alloy body firmly holds the Stainless Steel shafts making this tool much stronger than other Three way tools. The "Y-Not" tool Why Not? Why not put a Hex 5mm, Torx T25 and a PH1 in the tool? If that's what the job calls for, set your tool up that way. Why not carry 6 bits on the Shaft? Why not 12? Why not our full 18 bit set? Our six bit round shaft mount holders fit these shafts. Use up to 3 holders to carry 18 bits anywhere you go. Bits Not included Specifications: - MagGlide(tm) Secures bits until you release them - Heavy Duty Three way tool never needs replacing - Set-up your tool for the job and go! - Uses Standard 1/4" Hex Bits - Use our Round Bits Holder on any/all shafts - Good weight and excellent ergonomic grip - Reinforced Alloy body with Stainless Steel Shafts - Tool weight is 139 Grams

Cutting hydraulic brake lines is quick, easy and precise with Jagwire's Sport Hydraulic Brake Line Cutter. The hand-held design makes it possible to expertly cut hydraulic lines on the workbench and on your bike.

- Microcell is ergonomically contoured for maximum comfort and surface area

- Stiff nylon bristles and perfect size for blasting through dirt caught on wheels and cassettes

Rear Shock Service Kit Full- Monarch With Autosag Specialized B1

The ultimate trailside companion. This high-tensile steel multi-tool features a precise fit and finish and side grips for a secure handhold even with gloves on. The M5 includes: Hex wrenches: #3, 4, 5, 6 Screwdrivers: Phillips #2 Length: 89mm Weight: 85g Warranty: Lifetime

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

Park Tool's Replacement Chain Tool Pin (2-Pack) fits Park Tool's CT-1, CT-2, CT-3, CT-3.2, CT-5, and CT-7 Chain Tools. • Made from hardened alloy tool steel • Uses 7mm or 9/32" 12 pt box end/socket • Sold singly or in pairs

Before you find yourself in a bind, it's important to plan on how you'll get out of one. Well, look no further than our SWAT Conceal Carry MTB Tool. It stashes an emergency multi-tool and chain breaker inside the steerer tube of a suspension fork for easy transport and instant access. On the tool, you'll find a wide array of Allen keys and a Torx wrench, so you'll be able to get out of any trail-side jam. - Stores a multi-tool and chain breaker in the steerer tube of most modern suspension forks with alloy steerer tubes. - Quick-action top pivots away to release spring loaded multi-tool. - Features hardened CRV steel bits with anti-rust coating and forged alloy frame. - Includes 3, 4, 5, 6, and 8mm Allen keys and a T25 Torx.

Park's Bottom Bracket/Cassette Tool for Campagnolo is an indispensable tool for your Campagnolo drivetrain. It's for installing and removing all Record, Chorus, Centaur and Athena bottom brackets, and all Campagnolo cassette lockrings.

SRAM Bleeding Edge Tool. - Use with Avid or SRAM Pro Bleed Kit

Rear Shock Piston Bolt Socket Tool (used to remove piston bolt) - Deluxe NUDE

Service tools to ensure long-term success of Chris King hubs. - For use in bearing preload adjustments on all Chris King front and rear hubs

High-quality L-key set out of stainless steel for hexagon socket screws by Wera. The Hex-Plus profile offers a greater contact surface in the head of the screw; the notching effect is therefore reduced to a minimum and damage to the screw head is more or less eliminated. Comes with hex ballpoint on the long arm: the ballpoint drive profile means that it is possible to swivel the tool axis away from the screwdriving axis, thus enabling "round the corner" screwdriving. - Stainless steel prevents the transfer of extraneous rust: fasten stainless screws with stainless tools - Hex-Plus allows socket head screws to live longer - With Take-it-easy tool finder: color coding by size - Wear-resistant clip material for enhanced durability - Color-coded, easy-to-grip plastic sleeve, even at low temperatures - Comes in an almost wear-free L-key clip fastener

Park's Shop Cone Wrenches are made of durable tool steel and are thin to fit the low-clearance adjusting nuts and cone flats on hubs and other bearing assemblies. Park's special Y-heads put more material where it's needed for excellent durability and holding power. The 26mm size fits through-axle end caps and suspension fork crowns. Most applications require at least 2 cone wrenches. Call or stop by. We can recommend the correct sizes for your needs.

The new B-gap adjustment tool is simple and easy to use, allowing for a quick set up experience. Small enough to be able to pack in your ride bag or stash in your toolbox for repeated use, it is also industrially recyclable if you find you no longer have use for it. This is the most precise tool for setting up and adjusting your drivetrain.

Fact—tools make work easier. Free up that extra hand during tire stud installation with the Bontrager Tire Stud Tool, featuring a magnetized tip that securely holds the tire stud in place for a quick and easy installation. So grab a beverage of your choice, add some studs to your studdable tires, and ride through the winter's worst. Key features - Magnetized tip securely holds tire stud for easy installation - Use with Bontrager Tire Studs for installation on stud-ready tires

The Handlebar Holder prevents the handlebars and front wheel from swinging to the side and banging into the frame when your bike is mounted in a repair stand. It fits handlebars up to 32mm and all frame tubes up to 50mm in diameter, so it works on almost any road or mountain bike and is sure to make every repair easier.

- This chain tool can cover anything from 5 to 11 speed - Its handle doubles in function as a valve core remover for Schrader and Presta valves

The DTD-10 is a precision component Torx®-compatible driver machined to exact standards to ensure a perfect fit on compatible component fasteners. The stubby size of the DTD-10 provides extra control during removal and installation of delicate hydraulic brake fittings. Featuring an ergonomic CNC-machined hard-anodized 6061 aluminum handle and a precision T10 tip. - T10 Torx®-compatible wrench - Not intended for high-torque applications - Total length: 3.75" (95mm) - Shaft length: 1.7" (43mm) - Weight: 2.22 oz. (63g)

Choose the perfect tool for the job with Park's P-Handled Hex Wrenches. These top-shelf Allen wrenches come with offset handles made from durable nylon in a comfortable, ergonomic design. They are made of chrome vanadium for exceptional durability. The long shafts feature Bondhus heads for accessing hard-to-reach bolts and the short ends are chamfered for extra grip and high-torque applications.

The Bottom Bracket Gauge Tool was designed to provide all the necessary measurements to identify the proper bottom bracket for a specific bike configuration. A metric scale runs along the long edges for measuring bottom bracket shell width and crank spindle lengths. Durable red anodized aluminum with laser etching. Overall size is 7" x 3" x 0.125". The gauge can measure: - bottom bracket width - bottom bracket shell inner diameter - crank spindle length - crank spindle diameter - bearing inner diameter Specifications: Measures crank spindle diameters: 22mm, 24mm, 29mm, 30mm Measures bearing inner diameters: 22mm, 24mm, 29mm, 30mm Measures bottom bracket shell inner diameters: 37mm, 41mm, 42mm, 46mm Measures bottom bracket shell widths: 61mm, 68mm, 73mm, 79mm, 86.5mm, 90mm, 92mm, 95mm, 100mm, 120mm, and 132mm Measures crank spindle lengths up to 180mm

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