Tools

Made from tough steel and reinforced with extra material at the highly stressed wrench openings, Park’s shop-quality Pedal Wrench is built to easily install and remove pedals, and to last and last. It has 15mm and 9/16-inch precision openings to fit all pedals. And it boasts a long, round, vinyl-coated handle that won’t dig into your hand and provides optimum leverage. There's even a hole in the end of the wrench for hanging it on your toolboard.

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

This is a single replacement pin for Park Tool HCW-4 and SPA-6 pin spanner wrenches.

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 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.

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.

The small and handy RR-12.2 Tape Measure features a tough composite housing with an integrated belt clip and both metric and SAE readings up to 350 centimeters or 12 feet. Measurement can be locked in place using the thumb lock or the handy quick-stop button. - Maximum length: 350 cm | 12 ft. - Markings: 1 mm | 1/32" (up to 6") | 1/16" (over 6")

• Updated with a new material and new design • Features a wide flat tip for easy entry and fast tire removal, ergonomic shape and a handy spoke hook when multiple levers are needed • Perfect for tight beads and tubeless tires • Sold in sets of two.

• 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 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).

Park's Torx Wrench Set is just what you need to make repairs on many of your bike parts that use Torx (star-shaped) fittings, such as disc brakes, pedals, chainring bolts, and others. It offers the common bicycle wrench sizes (T7, T9, T10, T15, T20, T25, T27, T30 and T40) in a convenient fold-up set. Its composite handle is super strong, comfortable to use and slip resistant.

• 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 Tool's professional-quality Snap Ring pliers are made from forged, heat-treated cro-moly steel with a return spring and vinyl dipped grips. The RP-1 has .9mm tips on straight blades for small, internal snap rings. The tips open from 22mm to 0 (tips touching).

Park Tool's professional-quality Snap Ring Pliers are made from forged, heat-treated cro-moly steel with a return spring and vinyl-dipped grips. The RP-3 has 1.3mm tips on bent nose blades for medium, external snap rings.

Park Tool's professional-quality Snap Ring Pliers are made from forged, heat-treated cro-moly steel with a return spring and vinyl-dipped grips. The RP-2 has 1.3mm tips on bent nose blades for medium, internal snap rings. The tips of the RP-2 open from 22mm down to 2mm (center to center).

Park Tool's professional-quality Snap Ring Pliers are made from forged, heat-treated cro-moly steel with a return spring and vinyl-dipped grips. The RP-4 has 1.7mm tips on bent nose blades for larger, internal snap rings. The tips open from 21mm down to 2mm (center to center).

Professional quality ring plier made from forged, heat-treated cro-moly steel with a return spring and vinyl dipped grips. The RP-5 has 1.7mm tips on straight blades for small, internal snap rings. The tips open from 22mm to 0 (tips touching).

• 15mm L-shaped hex wrench to fit Shimano rear thru-axle freehubs • Through-hardened industrial quality steel • Chamfered tips for a precision fit

Park combines the three most used bolt sizes into one convenient wrench. The 3-Way Sprocket Wrench sports 8, 9 and 10mm sockets made from forged chrome-vanadium steel in Park's classic Y-shape that offers plenty of leverage and a comfortable grip.

Forged with Chrome Vanadium (CR-v) steel, precision ground, heat-treated, plated and polished. The PAW-6 opens to 24mm and features a laser engraved measurement scale and dipped blue handle for comfort.

We put together this set of carefully chosen tools to do basic maintenance and cleaning as well as perform a wide variety of repairs and adjustments on just about any bicycle. A perfect way to start or add to your collection of shop-quality bicycle tools. The AK-5 includes a tough toolbox to protect your investment. Kit Includes: - AWS-1 3-Way Hex Wrench - BBB-4 Big Blue Book of Bicycle Repair - CC-4 Chain Checker - CM-5.3 Cyclone Chain Scrubber - CN-10 Professional Cable and Housing Cutter - CNW-2 Chainring Nut Wrench - CT-3.3 Chain Tool - DCW-1 Double-Ended Cone Wrench: 13/14mm - DCW-2 Double-Ended Cone Wrench: 15/16mm - DCW-3 Double-Ended Cone Wrench: 17/18mm - DH-1 Dummy Hub - DT-2 Rotor Truing Fork - FR-5.2 Cassette Lockring Tool - GSC-1 GearClean Brush - HCW-16.3 Chain Whip/Pedal Wrench - HXS-1.2 Professional L-Shaped Hex Wrench Set - MLP-1.2 Master Link Pliers - PAW-12 12" Adjustable Wrench - RR-12 Tape Measure - SD-2 #2 Phillips Screwdriver - SD-3 3mm Flat Blade Screwdriver - SW-0 Precision Spoke Wrench: .127" - SW-2 Precision Spoke Wrench: .136" - TL-1.2 Tire Lever Set - TWS-3 Torx Compatible 3-Way Wrench - VC-1 Valve Core Tool

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

Shop-quality, adjustable torque driver that limits torque applied to fasteners, preventing over-tightening and damage to lightweight components. The ATD-1.2 features all-metal internal construction with a comfortable, ergonomic composite molded grip. Each tool is assembled and calibrated at Park Tool's factory in Minnesota.

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.

Removes and installs crank caps on Shimano® Hollowtech II® cranks. Includes built in hook to lift the safety plate, speeding crank removal. Steel, investment cast body provides good leverage and includes an option to use with an 8mm hex wrench for removing seized caps.

Park's AV-1 Axle Vise makes repairing and overhauling hubs easier than ever. It prevents your axle from spinning while work is done on the hub and it has two different size receptacles so it will work with both front and rear axles.

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 BBP-AOS is used in conjunction with the BBP-1.2 Bottom Bracket Bearing Press Kit to extract press fit bottom bracket bearings, cups, and adaptors. The BBP-AOS utilizes an expanding collet and extractor cup system to safely remove bearings without requiring impact. Also included are eight installation drifts for pressing bearings into pre-installed cups. - 8 precision-machined extractor cups and 5 hardened collets for compatibility with most bearing IDs and bearing/cup ODs - 8 installation drifts for standalone bearing installation - Organized in a convenient storage case - Full list of compatible bearing inner/outer diameters found on instructions/parts diagram NOTE: The BBP-AOS requires the BBP-1.2 Bottom Bracket Bearing Press Set for use. The BBP-1.2 and BBP-AOS are also available as a complete set (part # BBP-2).

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 components with 16-notch tool fittings, including bottom brackets, center lock disc brakes, and e-bike motor lockrings. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. The BBT-69.4 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 tool fittings with a major diameter (outside of notches) of 44–45 mm and a minor diameter (inside of notches) of 42.7 mm, including: - Shimano BB80, BB5700, XT BB70, BB51, and previous external bearing threaded bottom bracket cups - Threaded bottom bracket cups from Campagnolo, Chris King, FSA MegaExo, Hope, SRAM/Truvativ GXP, Race Face X-type, Surly, Wheels, Fulcrum, and others - Center lock disc brake rotor lockrings - Bafang BBSH, BBS02 mid-drive motor lockrings - 3/8" drive fitting

Bottom brackets have some of the highest torque specs of any component found on a bicycle. Despite this, some bottom bracket cups feature tool fittings that allow mere millimeters of engagement, which can be a problem when attempting removal or installation. Solution: the Park Tool Bottom Bracket Tool Retaining System. Used in conjunction with nearly any Park Tool bottom bracket tool, the BBT-RS uses a spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage. The BBT-RS can be configured for use with the vast majority of threaded and thread-together bottom bracket standards. The BBT-RS features an M8 threaded rod and a double-sided adapter nut with M12 and M15 threads, allowing it to thread directly into any compatible cartridge bottom bracket. The M15 adapter can also be used to install any of Park Tool's nine aluminum bottom bracket tools, all of which feature integrated threading for use with the BBT-RS. - Washer diameter: 57 mm (2.25") - Rod length: 175 mm (6.9") - Rod threading: M8 x 1.0 - Adapter nut threading: M12 x 1.0 & M15 x 1.0 Compatible with the following bottom bracket styles: - Threaded cup - Thread-together - Cartridge - Cup-and-cone Compatible with the following bottom bracket tools: - The following Park Tool socket-style aluminum bottom bracket tools: - BBT-27.3 - BBT-35-12 - BBT-35-36 - BBT-47-12 - BBT-47-16 - BBT-49.3 - BBT-59.3 - BBT-69.3 - BBT-79.3 - Wrench-style bottom bracket tools with a handle (e.g. Park Tool BBT-9, BBT-29, HCW-4) - Bottom bracket tools with external wrench flats (e.g. Park Tool BBT-19.2, BBT-22)

Park's HHP-2 accurately aligns and presses 1-, 1-1/8-, 1-1/4- and 1.5-inch headset cups into your frame's headtube. It features a quick-release design for fast tool installation and removal, extra-long handles for superior leverage and stepped bushings for precise cup alignment. This versatile tool also presses cartridge bearings and cups into one-piece bottom bracket shells and holds fixed-cup wrenches in place when removing or installing adjustable-type bottom brackets.

A handy tool designed to make installation and removal of bicycle electronic shifting wires and batteries quick and easy. The durable composite body features our iconic three-way wrench shape and prevents scratching of expensive components. Angled ends allow for safe installation and removal of Shimano Di2 E-tube EW-SD300; wires in tight spaces. Universal coin cell tool helps remove and install battery covers on SRAM AXS and other electronic accessories. - Compatible with Shimano Di2 E-tube, EW-SD300 wires (nominally 3 mm OD connector) - Not compatible with Shimano Di2 E-Tube EW-SD50 wires (nominally 5 mm OD connector) — use the Park Tool EWS-1

Park's Bladed Spoke Holder is a must for building and truing wheels that feature bladed spokes. It has 4 different size slots to fit a wide variety of bladed (aero) spokes from .08 to 2mm wide. It holds them safely in place to prevent twisting as you turn the nipple to true and tension the wheel.

The BBT-30.4 Bottom Bracket Bearing Tool Set is designed and built to install and remove the bearings used in BB30, PressFit 30 (PF30), 386EVO, BBright and PF121 bottom bracket systems. The BBT-30.4 features a bushing set used in conjunction with a head cup press to quickly and precisely press the BB30 and PF30 bearings in the bottom bracket shell. The included BB30 bearing remover works from inside the shell to easily push out bearings.

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

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 BBT-29 is a double-ended bottom bracket wrench designed to fit 16-notch bearing cups with an outside diameter of 39mm (e.g. Shimano Dura-Ace 9000 series and XTR 980 series) as well as 16-notch bearing cups with an outside diameter of 48.5mm (e.g. FSA MegaEvo).

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

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.

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.

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

Park Tool's 238K Caliper Upgrade Kit will upgrade the TS-2 Professional Truing Stand to accept wider wheels and tires to increase the versatility of your TS-2 truiing stand. The set includes left and right caliper fingers, and one pair of the plastic removable tips. NOTE: The 238K will not allow the wide 29er wheels with plus-sized tires to be trued in the older TS-2 stands. Use the upright extensions TS-2EXT.2 to for truing 29er wheels with plus-sized tires.

Park Tool's 750.2 Centering Cone Adaptor increases the size of the centering cone of the HTR-1 and HTR-1B Headtube Reaming and Facing Sets. The 750.2 will allow you to use the HTR-1(B) to ream and face head tubes designed to accept IS, ZS, and 1.5-inch EC headset standards. Before reaming or facing, make sure you have the correct cutting tool and pilot for the headset standard(s) you are using. Please refer to our product pages for cutters and pilots for this detailed compatibility information.

In the tradition of our premium quality fold up tools, the BO-4 is a combination corkscrew and bottle opener complete with a knife/foil cutter. This multi-tool folds for storage and features all stainless steel mechanisms housed in a forged aluminum case. This is a top quality beverage tool perfect for the workbench, toolbox or wine bar.

Park's Crank Puller is for removing crankarms on Shimano's splined, oversize, pipe-billet bottom brackets. It employs a long handle and a fine thread for the leverage and torque needed to remove tight arms. Park's unique rotating tip ensures smooth operation and long life. (The CCP-44 does not fit standard square or tapered bottom brackets.)

Now you can easily tackle any crank bolt with Park's Crank Wrench. It features a dual-sided head with a 14mm socket and 8mm Allen wrench on a long, vinyl-coated handle so you're sure to have the leverage necessary for the job.

Park Tool's Crown Race Cutter Adaptor is used in conjunction with the CRC-1 Crown Race Cutting Tool (sold separately) to machine 39.8mm crown race seats (1.5” standard) on tapered forks with 1-1/8” steerer tubes. It includes a precision-machined adaptor body and a 39.8mm high-speed steel crown race cutter. The CRC-15 will work on forks with a maximum 1.5-inch taper of 4.25 inches.

To ensure proper headset performance and longevity, special attention must be given to accurately machine the fork’s crown race seat. Park Tool's Crown Race Cutting Tool is a professional-quality machining tool for milling both the outer edge and lower surfaces of the crown race seat. • Includes high speed steel cutters and adjustable collets to machine 26.5mm and 27.1mm crown race seats on 1” forks and 30.1mm crown race seats on 1-1/8" forks • Unique adjusting system allows a tight fit of the tool on any fork, threaded or unthreaded (even forks with externally butted steerer tubes), ensuring a smooth, accurate cut and proper alignment of the fork in the frame • Cutter sized for 1-inch standard is part #845 (sold separately) • Cutter for 1-1/8 inch standard is #846 (sold separately)

The CRS-15EXT includes a tube and fitting to extend any CRS-15 to work on fork steering tubes up to 425mm.

The CRS-15.2 uses two different insert rings to install bearing races on the 1.5-inch and 1-1/4-inch forks. The bearing surface is spared a direct hit by using aluminum inserts. Using a hammer, tap firmly on the end cap of the tube and seat the race into its proper place safely and accurately. Included extension allows work on fork steering tubes up to 425mm. - SHIS terminology: The CRS-15 services crown races in SHIS 33 and 40.

Professional quality component hex driver precisely machined to exact standards to ensure a perfect fit on compatible component fasteners. Featuring an ergonomic, CNC machined, perfectly balanced 6061 aluminum handle hard anodized to take the rigors of everyday use.

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.

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.

Precision component screwdriver machined to exact standards to ensure a perfect fit on compatible component fasteners. Featuring an ergonomic, CNC machined and hard anodized 6061 aluminum handle.

The DC-2 is a vernier caliper for accurately measuring seat posts, head tubes, bearings, spoke diameters, and other components, featuring a large LCD screen for accuracy and ease of use. The tool’s ability to measure in metric and inches in external, internal, depth, and stepped dimensions make it an indispensable shop tool. - Range: 150 mm | 6" - Resolution: 0.01 mm | 0.0005" - Accuracy: +/- 0.02 mm | 0.001" - Repeatability: +/- 0.01 mm | 0.0005" - Measures external, internal, depth, and stepped dimensions - Uses LR44 batteries

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