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!

- Same award-winning Nano-Tech cleaner in a concentrated form - One 500ml Pouch will make 2x 1L nano-tech cleaner bottle - Can be used as a powerful degreaser in its concentrated form - Works really well in a chain cleaning device like Muc-Off X-1 - Safe on all bike parts or all bike frame materials

FRESH out the bowels of Muc-Off Research and Development comes the NEW Bio Grease! Designed specifically for bicycle use, Muc-Off Bio Grease possesses a unique formula that prevents corrosion and water ingress so your bike’s components will last long into the future! Use Muc-Off Bio Grease to increase your performance, and ensure every ride will be smoother than your last. Muc-Off *Biodegradable Bicycle Grease is specifically blended for the unique ‘low speed’ applications found on bicycle parts where reducing friction is paramount. This premium formulation is based on renewable resources, and has a combination of extreme pressure lubricity additives and natural ‘slip’ giving it unrivaled performance in its class! Bio Grease also has the added benefit of being readily biodegradable and extremely resistant to water wash off, which helps prevent corrosion, reduce friction and improve the performance of moving parts. The guys at Muc-Off are dedicated to making eco friendly products that won’t harm you, your bike or the planet and Bio Grease is no exception. This new grease is fully biodegradable and free from any nasty petroleum based oils! NOT for use on Bicycle chains *Only contents are biodegradable. - Prevents corrosion and water ingress so your bike’s components will last longer - Specially formulated for "low speed" applications unique to bicycle parts, where reducing friction is paramount - Extremely resistant to water wash-off, which helps prevent corrosion, reduce friction and improve the performance of moving parts - Fully biodegradable and free from petroleum-based oils

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.

- Highly versatile dry weather chain lubricant - Deep penetrating, durable P.T.F.E. chain lubricant - Hold up to extreme conditions which can destroy ordinary lubes - Comfort bottle with pipette system for ease of use and application

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. - RR-12.2 features a new body design with a handy-quick stop button on the bottom, allowing the user to temporarily lock the tape into place with their index finger - Maximum length: 350 cm | 12 ft. - Markings: 1 mm | 1/32" (up to 6") | 1/16" (over 6") - The RR-12.2 features a new body design with a handy-quick stop button on the bottom, allowing the user to temporarily lock the tape into place with their index finger - Metric and SAE readings up to 350 centimeters or 12 feet - Markings: 1 mm | 1/32" (up to 6") | 1/16" (over 6")

Box One Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weight. A minimalist design adds style while reducing their overall mass. Laser-etched graphics include wheel position guides and two 10mm mounting holes with 15mm of adjustment to ensure perfect adjustability. Fits most frames every time you remove and replace your wheel. When used correctly, Box One tensioners will protect your frame dropouts and hold your rear wheel in place. Keep in mind. However, they aren’t indestructible (neither are your dropouts). Install these lightweight chain tensioners with care and leave the 15-inch breaker bar in your toolbox. Features: - New and Improved - 45mm of Adjustment - XO Skeleton Design - Dual-Sided Adjustment Grid - Dual-Color Adjustment Block Specs: - Axle Size: 10mm (3/8") only - Material: 7075-T6 Aluminum - Hardware: Stainless Steel

Everyone wears out their Park Tool work stand clamp covers at some point. Find replacement covers for yours here. Each cover is constructed of soft, durable composite rubber. See below to determine which covers fit your Park Tool stand clamp: - 1002: fits 100-3X and 100-5X extreme range clamps - 1185: fits clamps on the repair stands PCS-9, PCS-10, PCS-11, and PCS-12 - 1259: fits 100-4X, 100-6X, 100-7X, and 100-15X clamps - 1960: fits 100-3D, 100-5D, and 100-25D Professional Micro Adjust Repair Stand Clamps - 468B: fits clamps with double cable reliefs, including 100-3C, 100-5C, 100-8C, 100-8Y, and 100-9C clamps - 467B: fits clamps with single cable relief, including PRS-2 through PRS-8 (for older-style clamps, non-current) - 468G: fits PCS-1 and PCS-2 clamps with double cable reliefs (clamp models: 100-1C, 100-1CA, and 100-2C) - 467G: fits PCS-1 and PCS-2 clamps with single cable relief (for older PCS-series stands only; not for current model stands) - 466: Rubber Replacement Clamp Cover Set (fits older clamps with plastic-dipped jaws)

- PTFE additives reduce friction and energy consumption - Waxed based formula reduces metal to metal contact - Excels in dry, dusty conditions - Protects against rust development and corrosion - Prevents chain wear - Does not attract contaminants - Ideal for MTB, Road and Cyclocross - Can be applied to chain, cleats, shifters and derailleurs

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

Our Tenacious Oil is used for ultimate protection and durability for components that have movement with metal-to-metal contact. Our base oil has been produced for us by the same independent California refinery since 1971. The final blending of rust inhibitors and extreme wear additives happens at our facility before the product is bottled and shipped. - Ultimate protection and durability for metal-metal contact - Base oil with rust inhibitors and anti-wear additives

Threadlockers lock threaded assemblies and keep them from loosening. Notice: Park Tool AP-1 Adhesive Primer must be used to prep all components, fasteners and carbon fiber surfaces prior to application of Park Tool threadlockers or retaining compound. Failure to do so could result in permanently bonded parts.

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.

- Combines a powerful cleaning formula of solvents proven to be tough yet safe with strong 8" x 12" industrial strength, super absorbent, dual-textured towel - Features a textured side for scrubbing and a smooth side for gentler applications - Scrub the bicycle with the textured side then wipe clean with the smooth side - Not for use on untreated carbon frames

Precision brake bleeding tools and adaptor kits for Magura brake systems. - 30mL graduations

The Dual Insert Kit is the ultimate stealth-mounted mountain bike tool set. Made up of our Tubeless Insert Kit and Tool Insert Kit, this pair of innovative bicycle tools discretely and securely hide in the ends of handlebars, so they're always close at hand. Includes five high-quality tubeless plugs.

- Makes your bike shine like new and keeps it that way. - Biodegradable formula cleans, polishes, and protects in one step. - Also great for dropper posts, suspension, and for seating tire beads. The original bike polish, Bike Lust's proprietary silicone-based formula includes a biodegradable cleaning agent. Bike lust goes on wet, quickly cleaning light dirt and grime as it polishes, and then dries to a beautiful protective coating. Works on any surface or material in one simple step making your bike look like new and future cleaning easier! Also great for dropper posts, suspension, and for seating tire beads. Bike Lust can be used on all types of materials and finishes including carbon fiber and matte finishes. It's also fantastic on tires to help shed mud and dirt as you ride.

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.

- AM5200: specific tool for ACS Crossfire freewheels, fits over both 3/8" and 14mm axles - AM5201: spanner wrench for Crossfire and universal 4-slot freewheels - AM5203: specific to Paws, Paws HD, Paws 4.1 and gray Southpaw freewheels. A reinforcement ring inside the prongs allows firm centering and maximum torque. Tool is NOT compatible with CLAWS, SHIMANO, and some other freewheels - AM5205: universal 4-prong that fit Claws, Fat, Southpaw, Shimano, Dicta, and other 4-slot freewheels

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.

- Designed to clean your bike frame and components while caring for delicate finishes - Tough impact resistant dual density handle that won’t slip in extreme conditions - Oversized head for fast cleaning of large areas - Rubberized impact zones for maximum protection

Onboard mechanic. For rapid repairs, the STASH system holds a quick-draw Cannondale 10-in-1 mini tool, CO2 inflator spacer and tire plug kit beneath the water bottle. Where it thrives: On the bike, challenging trails What it's built for: Versatility, convenience Highlights: - Fastest access to tools during riding or racing - Compatible with 2021+ Scalpel - Includes holder, Dynaplug, multi-tool and CO2 spacer

- Fast and effective grease-cutting formula - Removes all chain oil and wax residue - Safely eliminates drive chain contaminants - Biodegradable - Ideal for use with chain cleaning devices - Trigger spray included for easy application on cassettes, chainrings and derailleurs - Safe for metal, plastic, rubber and seals

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.

- Designed to fit into the bottle neck of all Muc-Off Bike Cleaner and Drivetrain Cleaner bottles for easy refilling - Perfect for refilling Muc-Off Bottle For Life - Collapsible fold up design makes it portable and easy to store - Flexible construction - Easy to clean and dishwasher safe - Made from durable, food-grade silicone that's non-toxic - Working temperature range of -40 °C to 200 °C - Silicone is highly durable and more ocean friendly than plastic - Collapsible design means lower CO2 footprint in shipping compared to a regular plastic funnel - Size expanded: 106 x 43mm - Size collapsed: 25 x 43mm

Muc-Off's eBike All-Weather Chain Lube is a high-performance synthetic chain lube specifically designed for the hi-torque loads applied to an eBike chain. The unique water repellent, non-fling formula penetrates deep into the chain link, to create a durable protective coating which guards against corrosion and metal-to-metal wear. A unique blend of extreme pressure additives ensures the lube can stand up to even the most powerful e-bike drivetrains. - Specifically formulated for eBike chains - For long-distance all-weather on/off-road riding

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)

The majority of bicycle maintenance is precision work, and the Dual-Sided Pick takes things to a whole new level. Ideal for removing debris from tires and brake pads, mud and grit from pedals and cleats, grabbing cartridge bearing and suspension seals, or managing any number of other detail work procedures. The overmolded, file-tread grip provides excellent grip and excellent control. The in-line and angled arm shapes are complimentary for intricate work. Available separate, or found in our Team Edition Tool Kit. - Hardened CRV tool steel shafts resist bending under stress - In-line and 90-degree arm shapes combine to simplify countless precision applications - Overmolded ergonomic file tread grip prevents hand fatigue and promotes excellent control - Ideal for removing unwanted debris from bike accessories and components

Royal Blood mineral oil is a specially formulated, low viscosity hydraulic fluid that ensures consistent performance of Magura brakes. - Doesn't absorb water - Lubricates entire braking system

Park's SuperGrip Carbon Assembly Compound is a combination of grease and tiny particles and is ideal for lubricating, protecting and tightening carbon components, like seatposts, handlebars and stems. SuperGrip solves the problem of carbon parts moving and slipping, which can happen if they are not lubed, or you apply standard grease or lube to them. It also works well with aluminum and steel components.