Accessories

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

White Lightning's Epic Ride lets you take on that all day ride and hear only the birds chirping, not your chain squealing. Its unique formula features premium non-petroleum synthetics that provide unheard of durability without the grimey build-up common with synthetic oils. This versatile lube also works wonders on derailleur cables and suspension seals. And, good news for the forgetful amongst us, Epic Ride is lube-and-go, no prep or dry time required!

- Steel wheels - For riders up to 100lbs - Fits 12" - 20" wheel bikes

Wald's 10252 training wheels are designed to mount on most single speed bicycles with 16- to 20-inch wheels and are intended for use by riders weighing up to 100 pounds. These training wheels feature new frame adapters that improve installation. The new frame adapters enable this wheel set to be mounted on bicycles with .75 and 1.00-inch rear frame tubes. The training wheels can also be mounted onto bicycles with 1.25-inch rear frame tubes when the frame adapters are not used.

Wald's 1216 training wheels are designed to mount on most single speed bicycles with 12- to 16-inch wheels. This model is intended for use by riders weighing up to 75 pounds.

 An instant bicycle suspension performance booster. WPL ForkBoost lubricates and cleans bicycle suspension seals to eliminate stiction, remove dirt, and lengthen lifetime of the seal. Apply ForkBoost externally to the dust seals of bike suspension by coating the stanchion, pumping the suspension, and wiping away extracted dirt. ForkBoost is fully compatible with rubber and rubber derivatives, causing no risk of damage to the seals, seal swelling or cracking. Use ForkBoost internally during fork rebuilds, to soak foam seals and cut grease to specified thickness - Premium bio-based formula made with natural ingredients - Biodegradable, non-toxic, PTFE-Free formula - Cleans and lubricants bike suspension seals - Removes unwanted dirt and contaminants from suspension seals - Apply externally to dust seals to lengthen seal lifetime

- Hex wrenches 1.5, 2, 2.5, 3, 4, 5, 6

- Pedal thread inserts are used to replace damaged threads in cranks

Keep your investment protected with durable armor designed specifically for your ride. - Protection engineered to keep your ride looking as good as new for years to come. - Trek protective armor - Model-specific custom fit

Keep yourself and your gear clean and dry with a stylish fender. Original equipment replacement fenders for your Powerfly FS. PRODUCT DETAILS - Designed specifically for the 2021 Powerfly FS - Requires specific 2021 Trek Powerfly FS rear rack to mount - Mounting hardware not included - 27.5" & 29" wheel size compatible

A quick and easy clip-on fender designed to work with the Trek Blendr Saddle Bag and Blendr saddle accessory mounts. The Blendr Fendr clips onto rear saddle mounts in seconds to prevent water and road kick-up from getting you dirty. Quick and easy installation and removal keep you ready to ride no matter the weather. Plus, you can easily mount a rear light to keep you seen. Details: - Connects to the Blendr Saddle Bag mount and Blendr Saddle Accessory mount - Lightweight plastic keeps your backside dry with almost no weight penalty - Integrated light mount makes it easy to quickly add a fender and rear light - Fits into a back jersey pocket or easily into a bag - Compatible with all wheel and tire sizes for road, gravel, and commuter bikes

A simple rear bike light for after dark. The Flare R Metro is a simple USB rechargeable rear bike light that can help cyclists be seen after dark. The versatile design and included bike mount make for easy, tool-free attachment to any bicycle. Remove the included mount to reveal a built-in clip that securely attaches to a rider's belt clip, pocket, or bag. Details: - A versatile USB rechargeable rear bike light designed to help riders stand out after dark. - 20 Lumens help make riders more visible after dark - Triple LED design can be seen from a wide visibility angle - Versatile design can be mounted on a bike, belt, or bag - Two steady modes and one flash mode - Low steady 8L-3 hrs, high steady 20L-1.5hrs, Flash 20L-6 hrs - Includes Flare R Metro, Clip Connect Mount, and Micro USB charging cable - Integrated clip for secure installation on belt or bag, simply remove the mount to access - Clip connect mount with 16-degree offset compensates for seatpost angle

A simple front bike light for after dark. The Ion 50 R is a simple USB rechargeable front bike light that can help cyclists be seen after dark. The versatile design and included bike mount make for easy, tool-free attachment to any bicycle. Remove the included mount to reveal a built-in clip that securely attaches to a belt clip, pocket, or bag. Details: - A versatile USB rechargeable front bike light designed to help riders stand out after dark. - 20 Lumens help make riders more visible after dark - Triple LED design can be seen from a wide visibility angle - Versatile design can be mounted on a bike, belt, or bag - Two steady modes and one flash mode - Low steady 20L-3hrs, high steady 20L-1.5hrs, Flash 50L-6 hrs - Includes Ion 50 R, Clip Connect Mount, and Micro USB charging cable - Integrated clip for secure installation on belt or bag, simply remove the mount to access

A bright front light with Kindbeam, designed to keep light on the path ahead and out of oncoming riders' eyes. - Commuter Kindbeam keeps light on the ground ahead of you and out of oncoming riders' eyes - Color-temperature balanced beam with a clean cutoff pattern for confident night riding - DRL-specific focus, flash, and range flash patterns offer ultimate daytime visibility - Long-lasting brightness exceeds FL1 industry standards and outlasts the competition - Runtimes: high 450LM — 1.5hrs, low 200LM — 6hrs, day flash 300 LM — 12hrs - Blendr-compatible for integrated mounting on compatible Blendr stems, helmets, and helmet mounts - Quick Connect+ offers secure installation with a flexible mount that's compatible with all bars 22.2 to 35mm - Includes Ion Comp R light, Adjustable Quick Connect+ Mount, and micro USB charging cable

The Voda Water Bottle gives you clean, consistent, at-the-ready hydration on any ride. It's made from recyclable, FDA-approved materials free from BPAs and Phthalates. Plus, it has a Pop Top cap that's easy to open and secure when closed for consistently leak-free transport. - Redesigned bottle and cap feature all-new materials for great feel and consistent closure - Pop Top's soft thermoplastic poppet is easy to open and close - Designed for easy entry/removal and secure retention - Bottle and cap are dishwasher safe and recyclable - USDA approved and free of BPAs and phthalates - Long-lasting graphics resist scratching for a look that lasts - Manufactured in the USA

A premium water bottle that provides secure, leak-free hydration with a great in-hand feel and lasting freshness. The Voda Water Bottle gives you clean, consistent, at-the-ready hydration on any ride. It's made from recyclable, FDA-approved materials free from BPA, BPS, and Phthalates. Plus, it has a PopTop cap that's easy to open but offers secure closure and leak-free transport. Product details: - Redesigned bottle and cap feature all-new materials for great feel and consistent closure - Free of BPA, BPS, and phthalates - PopTop's soft thermoplastic poppet is easy to open and close - Designed for easy entry/removal and secure retention - Bottle, cap, and removable seal are dishwasher safe and 100% recyclable - Long-lasting graphics resist scratching for a look that lasts - Manufactured in the USA

Carry just the necessities in Topeak's Large Aero Wedge Pack. It's constructed of heavy-duty 1000-denier, Teflon-coated nylon and includes a handy quick-release mount that securely attaches the pack to your seat. And for nighttime safety, it features a 3M reflective strip and a taillight clip.

Don't overstuff your jersey pockets. Simplify your load by putting your essentials in Topeak's Aero Wedge Pack. It straps neatly beneath your seat and is constructed of durable 1200-denier, Teflon-coated polyester with reflective strips and a taillight mount for nighttime safety.

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.

- Integrated top plate for quick-mount MTX 1.0, 2.0, and RX trunk bags - Integrated fender top - 6061-T6 alloy construction - Spring clip for additional cargo security - Designed for compatibility with disc brakes - 800g - 55lb weight capacity

Need more carrying capacity for running errands? Then check out Topeak's Rear Basket. It easily attaches to a Topeak QuickTrack rear rack (sold separately) and holds groceries, work clothes and anything else you need to transport. And, its handle makes it extremely portable.

Topeak's Mini Dual DXG is constructed of lightweight aluminum and sports a grippy Kraton and plastic handle for easy pumping. Topeak's thumb-lock SmartHead ensures an airtight seal on both Presta and Schrader valves and the built-in gauge lets you top off your tires with precision.

Omni QuickTrack Adapter attaches to a standard rear rack or Racktime* system platform allowing the use of popular Topeak TrunkBags and rear baskets. Adjustable mounting brackets fit rear rack widths from 90mm to 120mm with 10mm to 12mm rack tube dimensions. - Attachments: Rear rack deck - Material: Engineering grade polymer - Max Load: Limited to rack max loading rating - Size: 32 x 9.4 x 6.1cm - Weight: 230g / 8.11oz Compatibility - Fits rear rack without top plate and spring clip, - Rear rack width 90mm - 120mm, - Rack tubes, 10mm to 12mm diameter - Compatible with Topeak MTX / RX TrunkBags and MTX rear baskets *Racktime is a registered trademark of tubus carrier systems GmbH.

- Two sturdy tire levers also work as a chain master link tool to remove and install chains - Includes a chain hook to make installation and removal easy - Features a valve core tool as well as a place to store a spare quick link

The Topeak Pannier DryBag is constructed from a tough, sonically welded and seamed sealed waterproof material. A watertight roll-top closure provides maximum protection from trail dust, road spray and nasty wet weather. - Handle Loc system securely mounts pannier to rack and removes in seconds - Made from tough, sonically welded and seamed sealed waterproof material - Watertight roll-top closure provides maximum protection - Simply press button to rotate and move fully adjustable hook fore and aft to secure pannier to rack from sides - Reflective printing for increased nighttime visibility - Fits racks with 8, 10, 12, or 16mm diameter tubing - Includes shoulder strap Specifications: - Cargo capacity: 1220 cu in (20L) - Dimensions: 31.3cm (l) X 31.3cm (w) X 47cm (h) - Attachment: Topeak Handle Loc System - Fiber content: Nylon Composite - Material: Woven - Weight: 784g

Versatile mount for additional water bottle cage or other accessories. Band style clamp provides easy installation and flexible mounting options. - Fits tubes 20 - 60mm - Engineering grade polymer - Max load: 1.5 kg / 3.31 lb - 26 g / 0.92 oz (2 pcs)

Aethon provides full coverage protection with a cutting edge sport design that is perfect for those in need of performance eyewear. It is equipped with a removable brow bar for a customizable look and feel. - Made of Grilamid TR-90, a homopolyamide nylon characterized by an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. - Hydrophilic rubber ear and nose pieces for a no-slip fit. - Adjustable ear and nose pieces for a customizable, comfortable fit. - Vented lenses improve air circulation, prevent fogging.

Why sacrifice comfort and performance when a TerraTrike is shared amongst multiple riders? Use the Chain Gobbler 2 to adjust your trikes boom length to the perfect fit within seconds and without tools. This kit includes brackets, chain idlers, quick-release levers, and all other hardware needed. - Easily takes up or pays out chain - Allows for boom adjustment anywhere from large to small - Fits all Rambler and GT models

Do you share your TerraTrike E.V.O. - Bosch with other riders? The Chain Gobbler 2 for E.V.O. - Bosch lets you adjust the boom length to the perfect fit for each rider within seconds and without tools.  The installation kit includes frame plate, boom plate, chain idlers, quick release levers and all other hardware needed. - Easily takes up or pays out chain - Allows for boom adjustment from large to small - Fits the Rambler E.V.O. - Bosch model - Compatible with other TerraTrikes with the Bosch Boost Kit installed (Traveler, Rambler and Gran Tourismo)

The TerraTrike Rear Rack provides additional storage options for your trike by allowing for attachment of panniers and a trunk pack. Made of aluminum, it is both durable and lightweight. The Rear Rack will work with most TerraTrike models. - Includes bungee strap for holding items externally - Light and strong aluminum design - Durable black anodized finish - Load Capacity: 70 lbs. - Dimensions: 11"(L) x 5"(W) x 10"(H) - Compatible with: Maverick, Rambler, Rogue, E.V.O., Charge, Traveler, All Terrain, Gran Tourismo, GTS, Spyder* and Rover Tandem. - *Installation on Spyder models requires purchase of Spyder Rear Rack Fit Kit, sold separately.

Be seen with this highly visible teardrop style flag. Made from very sturdy nylon fabric with reflective edging and features bold graphics and colors. Each flag measures 36" x 9" and comes with a 48" flag pole with flag clip. These flags are a great way to stylize your trike (or bike) and make yourself visible to others. - Teardrop-shaped flag: Tiger Stripes - Large and highly visible - Easily slides into the seat mesh grommet

Sunlite's Alloy Cage comes in a rainbow of colors to match your bike. It's light, holds fast and looks great.

- Ball-inflating needle for footballs, basketballs and more

- Premium quality fabric streamers with matching satin bows

•Great novelty Horn / Bell combination •Combination of Ringer bell and Squeeze horn •Fits most handlebars

• Forged aluminum construction • Center mount design

Turn your bike into an errand-running, cargo-hauling machine with Sunlite's Standard Lift-Off Basket. This sturdy basket attaches to your bike in a snap via handlebar mounts. It carries all your day's booty and the rubber-coated carry handle lets you bring your basket along when you're off the bike! - Dimensions: 13.5 x 10 x 9.5 inches

• Fits most adult bikes • Durable plastic • Water resistant

Ask any shop wrench what their favorite, most-used tool is and they'll probably answer the 3-way. Sunlite's Y-Socket Wrench has 8, 9, and 10mm socket wrenches. The rubber handle lets you wrench all day in comfort, too.

Retro Mirror Sprintech Single Mirror. Works with all road handlebars by attaching to the bar end using its simple retrobike install. Allows you to see traffic from behind without having to look over your shoulder. Expands your visual field without shifting head or body to see behind you. As reliable as a car's rearview mirror! Placed on the left side of the handlebars, the Sprintech rearview mirror is easy to install. Simply remove the cap from the end of the handlebar, insert the connector plug, and attach the Sprintech rearview mirror. Once installed, simply adjust to the desired position. Available in five colors: Black, White, Red, Yellow, and Blue. Also available in pairs!

- #1 US cycling supplement since 2006. Bicycling magazine staff favorite. - Primes muscles to make less lactic acid in the first place. Cycling feels easier with less muscle "burn" during the ride, and less soreness after. - Healthy FDA Generally Recognized As Safe ingredients: 88% European natural-source lactate (not lactose), muscles' preferred fuel. With balanced calcium, magnesium and vitamin D to speed absorption, in color-free vegetable capsules. UCI & WADA legal. No sodium, gluten, dairy or calories. - Fast and inexpensive: No weeks-long "loading" phase like other products. Works in half an hour - No need to take every day. Take only before and during exercise.

- Made with real ingredients such as fruits, nuts and quinoa for fuel and muscle building - Less sugar than traditional leading energy bar brands - Enough fuel to power you through endurance workouts and tasty enough to use as a snack any time of day

Skratch Labs Anytime Energy Bar is made with real ingredients such as fruits, nuts and quinoa. It has enough fuel to power you through endurance workouts and is tasty enough to be used as a snack any time of day.

Sigma Rear Brake light. A simple little light with a big purpose — safety. Just clip this light on your rear brake cable and it will help alert anyone behind you that you are slowing down. Perfect for kids, commuters, and group rides! Fits U-brakes, V-brakes, canti's, road calipers, mechanical disc brakes, but won't fit hydraulics. Functions: - LED brake light with replaceable CR 1025 button cell battery (included) - Clearly visible, red brake LED during use - Burn time: approx. 200 hours continuous light, average of approx. 100,000 braking processes - Attaches to the rear brake cable using a 2.5 mm hex wrench (not included) - Quick and simple attachment - Attaches to cable actuated mechanical brakes (25 mm clearance) - Rounded brass screw to protect the brake cable - Five different colors are available to match any bike. - Robust, water-resistant housing - Weight: 7 g

TRAINER THRU AXLE ADAPTER FOR SARIS TRAINERS WHAT'S INCLUDED: - Thru axle - Washers - Endcaps with bolts - The 148x12mm adapters also come with a shorter bolt action slider tube. TRAINER COMPATIBILITY The Saris Trainer Thru Axle Adapter is designed for indoor use on Saris trainers only and should not be ridden outdoors. Compatible with current basic trainers. Not compatible with CycleOps PowerSync trainers. Contact us with trainer compatibility questions. BIKE COMPATIBILITY Many bike manufacturers do not publish thread pitch or hub spacing online. If you are unclear as to what type of thru axle your bike uses, please reach out to your local bike shop or the bicycle manufacturer directly. Both 148x12 Thru Axle Adapters are compatible for both 142 and 148mm bikes. 148x12 Thru Axle Adapter, 1.5 Thread Pitch (9733T) works for: - 148 x 12mm - 142 x 12mm - 1.5 thread pitch

The Airchecker from SKS is a fast and easy way to check your tire pressure. The swiveling head makes it a snap to reach your presta or schrader valve stem at any angle, and the backlit display with extra-large LED digits is always easy to read. This gauge measures up to 144 psi and reads in 10ths of psi.

Mudrocker Front Fender for MTB is your perfect trail companion. Provides excellent mud and splash coverage on 27.5, 650b or 29er wheels with a maximum tire width of 3.0" Attaches to fork legs with hook and loop straps. Hook and loop strap fasteners or cable ties can be used to mount the Mudrocker to the fork bridge. If the fork bridge is perforated, the Mudrocker can be securely mounted with the included adapter. Fender can be adapted with scissors if necessary depending on the fork bridge. Perfect companion with the Mudrocker Rear Fender. - Measurements: 490mm - Weight: 112 grams - Compatiblity Notes: Compatible with disc brakes. Not compatible with V-brakes. - Made in Germany

Fender set made of robust sandwich construction A really brilliant performance! The SKS BLUEMELS BASIC mudguard set not only integrates perfectly on the bike, but also reliably protects against dirt and splash water. Thanks to the flexible sandwich construction, in which extremely fine aluminum strips are embedded in a plastic coating, the fenders are extremely robust, rigid, and protected against corrosion. Stylish driving fun with a safety system The ASR or ESC safety system ensures that the struts are decoupled if branches get between the spokes so that the wheel does not lock. The V-struts with fixed bridges guarantee an individual adjustment, the bottom bracket cut-outs make assembly possible even in tight spaces. Includes accessories and struts. - Aluminum/plastic sandwich construction - V-struts with fixed bridges for flexible adjustment - ESC safety system - Bottom bracket cutouts - Made in Germany - Tire width in inches: 2.1"-2.4" - Tire width in mm: 54-61mm - Front mudguard length: 680mm - Rear mudguard length: 1185mm

Fender set with flexible spoiler It doesn't get any longer than this: The BLUEMELS STYLE mudguard set with a flexible spoiler offers excellent all-round protection against splash water. Thanks to the flexible sandwich construction, in which extremely fine aluminum strips are embedded in a plastic coating, the mudguard is extremely robust, rigid and protected against corrosion. New V adapter with ESC security system With its matt black surface and the black fastening components, the BLUEMELS STYLE also leaves nothing to be desired in terms of looks. The newly developed V-adapter with ESC safety system decouples the double U-struts when branches get between the spokes so that the wheel does not lock. Incl. accessories and struts. - Aluminum/plastic sandwich construction - With a flexible spoiler - V-adapter with ESC safety system - Stable double U-struts - Made in Germany

The X-Blade 27.5+/29-inch is a high-quality 2-component clip-on fender for the rear wheel of a 27.5+/29-inch mountain and trekking bikes. Due to the quick-release mounting, the fender can be fitted to almost any seat post and optimally adjusted to the wheel using the 2-joint technology. - High performance dual compound plastic - Easy quick-release-fastening by pre-adjusted powerstrap - 2 joints for optimized adjustment to all frames - Optimized dirt protection - 27.5+ and 29-inch wheel compatible

Performing the right maintenance on your SRAM and RockShox products not only ensures years of worry-free riding, but will also keep performance optimal and enhance your experience on the bike. Each service interval indicates the maximum number of riding hours designated for each type of recommended maintenance. Depending on the terrain and environmental conditions in your location, your riding style, and skill level, you may see more optimum performance if you service your SRAM and RockShox products at shorter intervals.

Keep your Reverb dropper post performing at its best with RockShox's Reverb Hydraulic Fluid. It's optimized for the remotes of the Reverb as well as the Monarch XX rear shock.

Position your smartphone at the perfect point for easy viewing and aerodynamics while riding with the help of the Quad Lock Out Front Mount. Featuring a strong dual-stage lock you can ride with confidence over bumps and jumps knowing that your phone isn't going anywhere your bike isn't. - Handlebar mount only, no phone case included - Compatible with handlebars 31.8mm, 25.4mm, and 22.2mm diameter - Can also be rotated for over stem mounting - Anodized aluminum mounting arm - Compatible with all Quad Lock cases and universal adapters

Fiercely built for road warriors, the Breakaway bottle delivers quick hydration from the first mile to the last. Thirst has finally met its match. Don't let this reusable bottle's lightweight, compact design fool you. Our Breakaway bottle delivers effortless, reliable hydration to fuel your race days, recovery days, and beyond. Designed by cyclists for cyclists, the Breakaway's sleek form makes for effortless sipping and fits most bike cages. When pedal meets pavement, the high-flow, self-sealing Surge Valve delivers a blast of hydration without messy spills—keeping you focused on the bike path, trailhead, or road ahead. Chill out, drink up. Then get back in the saddle and enjoy the ride—despite the pain. - The Surge valve maximizes flow rate and self-seals to eliminate spills and splatter. It's spill-proof when open, and pushes closed for leak-proof transport. - The original, 100% BPA-free bike water bottle. The updated Breakaway water bottle features a sleek, single-wall design that is light, durable, and compact. - Made for cyclists by cyclists, the Breakaway series fits securely in a variety of bottle cages. The new Polar Bottle shape has a unique grip groove and wall design for effortless hydration. - The innovative Surge Cap is two pieces–cap and valve–and easy to clean. Simply twist, pull, and wash. Plus, they're dishwasher safe. - Polar Bottle water bottles are crafted in Colorado to reduce environmental impact and support local economies. Designed to last, each one of our water bottles comes with a lifetime guarantee. - Capacity: 0.71 L / 24 fl oz - Dimensions: 9.0 x 2.75 in. - Material: LDPE, TPU Valve - Weight: 93 g / 3.3 oz

- 100% BPA-free insulated water bottle. - The updated design features triple wall insulation, keeping your liquid cooler 2X longer. - Integrated sports cap makes for quick hydration–pull for a cool stream and push to lock for a spill-free seal. - The innovative Sport Cap is two pieces–cap and valve–and easy to clean. Simply twist, pull, and wash. Plus, they're dishwasher safe. - Dash Handle turns your bottle into the ultimate travel companion, and its convenient loop keeps hydration at your fingertips. - Crafted in Colorado to reduce environmental impact - Weight: 127 g / 4.5 oz - Capacity: 0.59 L / 20 fl oz

Park's Adjustable Shop Stool is ideal for quickly maneuvering into the best position when working on your bikes. It's adjustable from 17 to 22 inches high and features 5 smooth-rolling wheels for easy scooting. You'll also love the comfy padded seat with Park's colorful logo.

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.

• Precision CNC-machined aluminum tool for the installation and removal of external bearing bottom brackets • Anodized for easy identification and featuring a ratchet/ torque wrench compatible 3/8” drive • Fits 16 notch adaptors measuring 41mm diameter such as Shimano BBR60 (Ultegra 11-speed 6800 series)

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.