Tools/Maintenance

Big and powerful, Park's Adjustable Wrench is forged from steel and chrome plated for maximum durability. Its jaws open up to 36mm and the torque-friendly, 12-inch handle is vinyl dipped for comfort.

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

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.

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Enduro T47 & PF30 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. Fits 16-notch bottom bracket tool fittings with a major diameter of 52-54 mm and a minor diameter of 48.8 mm, including: - CeramicSpeed T47/86 - Enduro T47 (30mm and DUB spindles) - Enduro BB30/30a TorqTite (30mm and DUB spindles) - Kogel T47 - SRAM T47 DUB - White Industries T47 - White Industries PF30 Thread-Together

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Shimano XTR BB93, Dura-Ace BB9000, and Token bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. The BBT-49.3 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage. Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 39-40 mm and a minor diameter (inside of notches) of 37.6 mm, including: - Shimano XTR BB93 - Shimano Dura-Ace BB9000 - Token Also fits chainring lockrings on Shimano STEPS square spindle e-bike systems including: - E6000 - E6002 - E6050 - Replacement for Shimano TL-FC38 tool - 3/8" drive fitting

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 12-notch tool fittings, including SRAM BSA DUB, Race Face Cinch, Rotor BSA30, and others. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. The BBT-79.3 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage. Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 45–47 mm and a minor diameter (inside of notches) of 44 mm, including: - SRAM BSA DUB - Race Face Cinch - Rotor BSA30 - Zipp Vuma - Hawk Racing BB3086 - and more - 3/8" drive fitting

A clean bike is a happy bike! Park Tool's Bike Cleaning Brush Kit is a four-piece brush set designed specifically to clean bicycles. Ergonomically designed and featuring dual-density, sure-grip handles, the BCB-4.2 kit includes: • 1 GSC-1 Gear Clean Brush • 1 Tapered Detail Brush • 1 Frame Cleaning Sponge/Bristle Brush • 1 Soft Bristle Soaping Brush

Bio ChainBrite Bicycle Chain and Component Cleaning Fluid is a 100% biodegradable, natural, plant-based degreaser formulated for use in Park's CM-5.2 Cyclone Chain Scrubber or as a general purpose degreaser. It won't harm alloy, plastic, or rubber parts. Use CB-4 full strength, do not dilute with water. Cover parts in solvent and scrub using a brush. 16-ounce bottle

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 12-notch tool fittings, including Praxis Works® M30 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. Fits 12-notch bottom bracket tool fittings with a major diameter of 48–50 mm and a minor diameter of 46.3 mm, including: - Praxis Works® M30

Park's BBT-32 is the perfect solution for the home mechanic installing and removing Shimano and ISIS Drive splined 20-tooth bottom bracket cups. Made from investment-cast steel, the BBT-32 utilizes a flat tooth profile to ensure maximum engagement with the bottom bracket cup and features 32mm wrench flats.

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Wheels Mfg™ Thread Together & FSA® MegaEvo®. Manufactured in-house by Park Tool, anodized for easy identification, and featuring a ratchet/torque wrench-compatible 3/8" drive. Fits 16-notch bottom bracket tool fittings with a major diameter of 48–50 mm and a minor diameter of 46.4 mm, including: - FSA® MegaEvo® - Wheels Mfg™ Thread Together Note: Does not fit Hope™ BSA30

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 36-notch tool fittings, including Praxis Works M35 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. Fits 36-notch bottom bracket tool fittings with a major diameter of 51–53 mm and a minor diameter of 50.7 mm, including: - Box® Two Oversized M35 - Praxis Works® M35

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Shimano Ultegra BBR60 and Deore XT MT-800 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. The BBT-59.3 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage. - Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 41–42 mm and a minor diameter (inside of notches) of 39 mm, including: - Shimano Ultegra BBR60 - Shimano Deore XT MT-800 -3/8" drive fitting

The Bottom Bracket Wrench removes and installs Shimano Hollowtech II, Race Face X-type, FSA MegaExo, Campagnolo Ultra-Torque and TruVativ Giga X-pipe bottom brackets. Laser cut for a precise fit, one end of the BBT-9 securely engages the 16 cup notches, while the other end engages the 8 internal splines of the crankarm adjustment cap.

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.

The CC-4 is a drop-in style gauge that measures bicycle chain wear. The laser cut CC-4 accurately measures a long section of chain and strategically comes in contact with the chain in three places, quickly and easily taking the guesswork out of knowing when chain replacement is necessary. A worn chain will cause poor shifting as well as accelerate drivetrain wear. The tool works on any 5 to 12-speed derailleur chain (including SRAM AXS) and is designed to accurately indicate when a chain reaches .5% and .75% wear, the points at which most chain manufacturers suggest replacement.

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.

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

Your new favorite tool for truing and building wheels. The CSH-1 securely holds spokes in place during spoke tension adjustment to prevent wind-up of round and bladed spokes, as well as rotation of straight-pull spokes. The versatile head can grip spokes in multiple positions for optimal leverage and hand positioning. Constructed of forged heat-treated steel with comfortable dual-density grips. - Compatible with round and bladed spokes 2.3 mm (13 gauge) wide or less - Compatible with J-bend and straight pull spokes

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

Heat-treated alloy tool steel, one inch base fits wrench or bench vise. Thin-wall construction allows use without removal of cones and locknuts. The FR-5 has 12 splines that are approximately 23.4mm across. - Fits Shimano, SRAM, Sunrace, Suntour, Chris King and other cassette lockrings - Fits the SRAM XX1 11-speed cassettes - Also fits Shimano disc brake lockrings - Always use a quick-release skewer to hold the tool in place and snug to cogs when loosening; for solid axles, use the axle nut

Heat treated alloy tool steel, one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts. The FR-5.2G has 12 splines that are approximately 23.4mm across. - Fits Shimano, SRAM, SunRace, SunTour, Chris King and other cassette lockrings - Fits the SRAM XX1 11-speed cassettes - Also Fits Shimano disc brake lockrings - Guide pin stabilizes tool

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 worn chain shifts poorly and wears sprockets at an accelerated rate. Park Tool's Chain-Wear Indicator is a “go-no go” gauge designed to accurately indicate when a chain reaches .5% and .75%, the points at which most chain manufacturers suggest replacement. The updated CC-3.2 is longer, more accurate and features permanent measurement markings.

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.

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.

An alignment gauge is essential for diagnosing and repairing bent or misaligned derailleur hangers, often the source of shifting problems. The DAG-3 features an all-new design, engineered and built to be light, accurate, and versatile. The sliding indicator can measure derailleur hanger alignment against bicycle rims of any size and rotates out of the way to clear seat stays, racks, and other obstacles, allowing 360-degree measurement. The long, precision-extruded aluminum body is built to exacting tolerances and provides ample leverage for making adjustments. - Compatible with 16" to 29"+ wheels (ISO/ETRTO rim sizes from 317 to 630+) - Replaceable M10 threaded tip - Low-profile head fits low clearance thru-axle derailleur hangers and Shimano Direct Mount hangers - Length: 16.5" (420mm) - Weight: 22.75 oz. (645g)

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.

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.

Park's FR-8 Freewheel Remover fits flip-flop BMX hubs with 30 x 1mm threads. It can be held with a wrench or vise, and its narrow profile allows use without removal of cones and locknuts.

The Park Tool Fold-Up Hex Wrench Set combines 4, 5 and 6mm hexes, a flat blade screwdriver and a T25 Torx compatible driver into one convenient fold-up tool. Its multi-position composite handle is comfortable, lightweight, slip-resistant, and 40% stronger than steel handles.

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.

12 splines, 22.6mm diameter fits Shimano, Sachs Aris, Sun Race, DNP Epoch, and other 5–10 speed freewheels. The FR-1.3 includes an enlarged thru-hole to accommodate 14mm axles.

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.

The HCW-16.3 is a combination 15mm pedal wrench and chain whip. Use for both pedal removal/installation and for cassette removal. Chain whip features improved compatibility with 5-speed to 12-speed mountain and road bike cassettes and freewheels. The HCW-16.3 is 10.75" long (27.3cm).

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 Crank and Bottom Bracket Wrench is perfect for working on old-style bottom brackets. The HCW-5 is a dual-sided lockring hook spanner, featuring a three-prong side and a single hook side for different style lockrings.

Get those heads sealing like new and reduce compressor energy waste with Park Tool's Head Seal Kit. This kit will help get rid of that hissing sound you've been hearing when it has been too long since servicing your Park Tool INF-1 or INF-2 shop inflator. Kit includes: - 1 #1586 Presta Seal - 1 #1588 Schrader Seal - 2 #1576-2 O-rings for Shuttle-valve - 1 #1682-2 O-ring for INF-1 and INF-2 Head Adaptors

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.

Park's AWS-7 features a Y-shaped nylon handle with 4 and 5mm Allen wrenches and a T25 Torx wrench. This convenient 3-in-1 tool keeps commonly used wrenches together and offers an excellent grip as well.

Designed and built to remove and install Shimano direct mount chainring lockrings found on XTR 9120, XT 8120, MT900, and other Shimano direct mount systems. Precisely CNC machined from 6061 aluminum for a perfect fit and to prevent marring expensive parts. - Machined flat face for optimal lockring engagement - For lockrings with 41mm outside diameter and 16 notches - 36mm hex drive to be used with Park Tool TWB-36 Crow Foot and a torque wrench to properly measure torque - 6061 aluminum construction

The MTC-25 features a super strong, composite, multi-position handle, with hardened and plated tools and smooth ergonomic operation. Lightweight, compact, and perfect to carry along. - 3, 4, 5, 6 and 8mm hex wrenches - T25 & T30 Torx compatible driver - Combo cross/straight tip screwdriver - Key ring holder - Weight: 94g (3.32 ounces)

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!

Never be left looking for an errant wrench when you have Park's Metric Wrench Set. It includes 12 high quality Park metric wrenches from 6 to 17mm in diameter, featuring both box and open ends. They are all forged from chrome vanadium steel, then chrome plated for durability and dipped in Park Tool blue vinyl for outstanding comfort and ease of use.

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.

"The PCS-9.3 is a basic folding bicycle workstand designed and built for the home mechanic – a stable way to hold nearly any bike off the ground for adjustments, cleaning and repair. Features 18"" (460 mm) of height adjustment and 360 degrees of clamp rotation, positioning all parts of the bike within reach for any mechanic whether seated or standing. The stand's all-steel construction with teardrop-shaped tubing ensures maximum rigidity and stability, with a locking support yoke and upgraded internals for extra dependability. The PCS-9.3 is able to hold up to 80 lbs. (36 kg), which allows for compatibility with virtually all two-wheeled pedal-driven bicycles, including fat bikes and most e-bikes.* The PCS-9.3 quickly folds down for storage and transport with a smooth-operating leg support system that pulls both legs up in one simple motion. The PCS-9.3 is the perfect way to upgrade your home shop. NOTE: The maximum weight capacity of the PCS-9.3 assumes the weight is centered below the clamp and between the legs.? - Fully adjustable clamp fits 7/8"" to 3"" (22 mm–76 mm) diameter tubes and seat posts of any shape and material, including aero posts and dropper posts - Narrow clamping jaws (2.7""/70 mm) fit into tight areas or on short seat posts - Durable textured powder coat finish - Maximum weight capacity: 80 lbs. (36 kg) - Height adjustable from 39"" to 57"" (990 mm–1450 mm) - Base when open forms a triangle of 36"" x 36"" x 48"" (920 mm x 920 mm x 1210 mm) - Folds down to 44"" x 14.5"" (1140 mm x 370 mm) - Weight: 16 lbs. (7.2 kg) - #2848A quick-release collar with accessory pods required for use of PTH-1 Paper Towel Holder or 106 Work Tray"

Park's PolyLube is specifically formulated to protect bearing components. Its Polyurea grease has extremely high shear strength to protect bottom brackets, headsets, pedals and hubs. Use it on threads, seatposts, stems and cables, too. It's also safe for fork seals, and repels water.

Park's PolyLube is specifically formulated to protect bearing components. Its Polyurea grease has extremely high shear strength to protect bottom brackets, headsets, pedals and hubs. Use it on threads, seatposts, stems and cables, too. It's also safe for fork seals, and repels water.

This professional-grade set includes five unique cleaning tools purpose-built for scrubbing away dirt and grime, with long ergonomic handles for leverage and comfort. The soaping brush, bottle brush and straight brush feature bristles made from tampico, a natural fiber derived from the agave plant. Tampico is extremely durable, resists chemicals, and holds moisture well, making it an ideal material for cleaning brushes. BCB-5 FEATURES Included brushes: - Soaping Brush: Great for making an initial pass over the bike, dispersing soapy water and breaking up large accumulations of debris. - Tapered Bottle Brush: A general purpose tampico brush for scrubbing areas both big and small. - Straight Brush: A long-reach brush with short, tight tampico bristles for getting into small nooks and crannies such as suspension pivots, saddle rails, and other hard to reach areas. - Drivetrain Brush: Long, stiff nylon bristles make this brush ideal for derailleurs, cassettes, and other areas with grease or dirt build up. - Soaping Sponge: Useful for applying soap and water as well as cleaning delicate surfaces, with a convenient wedge shape. Notes about tampico fibers: - Tampico is a natural fiber: as such, variations in the color of the bristles are to be expected. - Tampico bristles may become temporarily deformed in shipment or storage. Get brushes wet, reshape by hand, and hang to dry. - Always allow tampico brushes to dry fully in an open area before storage to inhibit growth of mildew or mold.

These shop-quality L-shaped hex wrenches have a genuine Bondhus balldriver tip on the long arm (excluding the 10mm) for hard-to-reach bolt heads and a straight tip on the short arm for high-torque applications. The HXS-1.2 includes a handy portable tool organizer/holder and it's hinged for easy access. • Includes 1.5, 2, 2.5, 3, 4, 5, 6, 8, and 10 mm sizes • Wrench tips are precision chamfered for a clean, tight fit • Made from industrial-quality Bondhus Protanium high torque steel

The QTH-1 is an ergonomic T-handled bit driver equipped with eight common bits to fit a wide variety of fasteners and fittings found on bicycles. The magnetic "quick-change" handle allows for one-handed operation and makes changing bits quick and easy. The bit holder can be magnetically attached to any magnetic surface such as a repair stand or tool box, or can be permanently mounted to any wall or tool board. The QTH-1 is a professional-grade tool built to withstand the rigors of daily shop use and is fully rebuildable. Includes the following magnetic 1/4" bits: - 2mm, 2.5mm, 3mm, 4mm, 5mm & 6mm hex - T25 Torx-compatible - #2 Philips cross tip - Bit holder includes empty spaces for 2 extra bits

The RPP-1 offers simple but effective protection for your service area. This 32" tall pad prevents damage to bikes caused by being leaned against or knocked over onto your Park Tool professional repair stand. Covered with an attractive Park Tool blue vinyl finish for easy wiping off of dirt and grease. - Compatible with Park Tool Shop Repair Stands with a 2" diameter lower post, including all generations of PRS-2 and PRS-3 - Easily removed and installed with hook-and-loop material

With today’s lightweight components, torque wrench use in the shop is no longer an option — it’s a must for every mechanic. The TW-6.2 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). Designed for higher torque settings for repairs and installation in the bottom bracket, cassette lockring and other areas that use a higher torque settings. For lower torque setting, see the TW-5. Comes with its own protective case. - 10–60 Newton meter range (88–530 Inch Pounds) - Adjustable in 0.25 Nm increments - Ratcheting 3/8" drive - Reads and registers for both left hand and right hand threading - Dial-adjust system allows desired torque setting to be preset - Calibrated to be accurate to +/- 4% - Length: 36.2cm (14.25")

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.

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

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

Updated to fit current 12-speed cassettes, this combination chain whip and freewheel / lockring remover wrench is heat treated to prevent bending, flexing and wear and features a long, molded handle in addition to a built in hex shaped driver. - Works on 5- to 12-speed road and mountain bike cassettes and freewheels - 1-inch (25.4mm) box-end wrench fits Park Tool Freewheel / Cassette Lockring Tools - Features hardened pins to keep the chain in place

Ideal for wheel truing when there’s limited access to spoke nipples such as small, high spoke count wheels or while using an anti-rotation spoke holder. The SW-9 combines two common spoke nipple sizes, 0.127-inch/3.23mm (SW-0) and 0.136-inch/3.45mm (SW-2). Forged, machined, heat-treated, plated and vinyl-dipped for years of dependable use.

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.

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.