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

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.

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.

• 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 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.

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 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.

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'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.

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.

Once you try on Park's Heavy Duty Shop Apron, there's no going back to standard aprons. The SA-3 is made from heavy 10-ounce cotton canvas and has two rows of bar tack reinforced pockets for stashing pens, parts, tools, etc. The special crossback design removes pressure from the neck for all day comfort and a nylon quick release makes the apron easy to adjust and take off. This sweet apron is a full 35-inches in length and the bottom 7-inches of the apron can be snapped up for a custom height fit. Plus, an embroidered Park Tool logo makes the apron as good looking (even when it's dirty) as it is functional.

Having trouble getting at internal nipples? Park's 3-Way Internal Nipple Wrench comes to your rescue. It features a 3.2mm square drive, as well as 5 and 5.5mm hex sockets that slip perfectly into the tight surroundings of most rims. It also utilizes Park's innovative Y-shape design that provides heaps of leverage and comfort.

Park Tool's Bottom Bracket Bearing Tool Set removes and installs (with a bearing press which is sold separately) BB86, BB90, BB92 and Press Fit bottom brackets from Shimano, Race Face, SRAM and others that use a nominal 24mm-diameter spindle. This tool has a bearing remover that fits inside the bottom bracket shell and into the bearing so the bearings can be tapped out of the frame with a hammer. The set also includes two bushings that you use in conjunction with a bearing press for precision bearing installation (bearing press sold separately).

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.

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.

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

The 37-piece SBS-3 from Park Tool is a comprehensive, shop-quality set of sockets, hex bits, and Torx compatible drivers selected specifically to tackle a wide variety of common bike repair needs. The SBS-3 also includes flat-faced sockets in common sizes for work on suspension forks. Ideal for use with Park Tool torque wrenches, the 3/8" drive bits and sockets are forged from tough, chrome vanadium steel and nickel chrome plated for lasting durability.

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.

Shop quality L-shaped, high torque industrial steel Torx compatible wrenches. Featuring chamfered tips, tight tolerances and a handy portable tool holder for easy access. Includes: T9, T10, T15, T20, T25, T27, T30 and T40.

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.

Shop quality, L-shaped, high-torque industrial steel hex wrenches with a ball end on the long arm and stubby short arms specifically for reaching bolt heads in tight spaces (like caliper mounting bolts, chainring bolts, etc.). Other features include chamfered tips, tight tolerances, and a handy portable tool organizer/holder. 1.5, 2, 2.5, 3, 4, 5, and 6mm hexes.

The BK-UK includes six new and revised parts for the Park Tool BKD-1 and BKM-1 Hydraulic Brake Bleed Kits, allowing for compatibility with the latest brake models from popular manufacturers. Includes: - Part #2600A (x2) — M4 x 0.8 adaptor for use with SRAM DB8, Trick Stuff, and Campagnolo mineral oil brake systems - Part #2588.2 — Thin-walled hose compression sleeve for internal bleed nipples, such as those found on Shimano mineral oil brake systems - Part #2574A — Hose assembly with integrated fitting for bleed nipples such as those found on Shimano mineral oil brake systems - Part #2615-2 (x2) — 11 mm bleed blocks for use with Hayes DOT brake systems All parts also available individually. NOTE: The seals on each part are designed for one type of fluid — DOT fluid or mineral oil — and should be used only on the systems they were intended for. 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.

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.

Designed and built specifically for a wide variety of bicycle Torx compatible work, the THT-1 is a set of eight common sizes of professional quality T-Handle star-shaped wrenches built for speed, efficiency, leverage and a perfect fit. Soon to become your favorite Torx compatible set, the THT-1 includes a handy tool holder that mounts to any vertical surface, including pegboard and solid surfaces (fasteners not included). - Carefully selected combination of Chrome Vanadium and S-2 tool steels - T6, T8, T10, T15, T20, T25, T30 and T40 Torx compatible wrenches included - 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 - Tool holder is included with the set and mounts to any wall, bench or tool box, perfectly positioning each wrench for easy access and storage

Say goodbye to jumbled drawers and crowded bit holders. The JH-3 keeps your bits, sockets, and other tools well-organized and within reach, with three rows of moveable bit holders to fit up to 45 tools with 3/8" drive fittings. Precision-cut openings along the back allow for convenient storage of torque wrenches, drivers, and ratchets. Integrated mounting holes allow for straightforward installation on pegboard or any solid surface. - Assembled dimensions: 14" x 5.8" x 6.2" (356 x 148 x 158 mm) - Mounting holes are 10" (25.4 mm) from center to center - Mounting hardware not included - Durable powder-coated steel construction

The RTP-1 combines two ride-saving tools — the MTB-5 Multi-Tool and TPT-1 Tubeless Tire Plug Tool — into one ultra-portable package. The included tool holder securely holds both tools without adding excess weight, and can be mounted or strapped to most bike frames. The MTB-5 packs 16 functions into one slim, tough folding multi-tool, making it the ideal companion for any trailside adjustment or emergency fix. Features a full set of hex wrenches and screwdrivers, a T25 Torx-compatible driver, and five specialty tools to aid in common on-the-ride repairs. The TPT-1 is a handy carry-along tool for repairing 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. MTB-5 Includes the following: - 2, 2.5, 3, 4, 5, 6 & 8 mm hex wrenches - T25 Torx-compatible driver - Philips #2 cross tip & flat head screwdrivers - Chain tool (5 to 12 speed compatible)* - Spoke wrenches (equivalent to SW-0 and SW-2) - Presta valve core removal tool - Disc brake rotor truing tool - Disc brake pad spreader *The MTB-5 will not peen Campagnolo 11, 12 or 13 speed chain rivets - Dimensions: 3.1" x 1.8" x 0.8" (79 x 45 x 20 mm) - Weight: 6.9 oz. (195 g) - Replaceable chain tool pin (Part #985-1) TPT-1 - 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.

Made for the rigors of everyday shop use, this adjustable tap handle fits many common bicycle taps. • Fits most metric taps from M1.6-M8 • Fits most standard taps from #0-5/16”

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.