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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.

Use Stan's Tubeless Valve Stems when you're converting standard rims to tubeless via the taping method. These also have a removable core for easier application of tire sealant. Note: Schrader valve is for non-stepped Hugo rims. If your Hugo rim decal reads: - MAX RIM PRESSURE: 2.8 tires: 26psi, 3.0 tires: 24psi - ERD 615, 622x49.9, 29 in x 52.3mm Your rim has a stepped valve and is not compatible with this Schrader valve.

Your feet will be happier in SockGuy cycling socks. They're made of a supportive, comfortable, and fast-drying 50/50 Merino wool/polypropylene blend that will keep your feet warm and dry. Plus, for a perfect fit on any foot, they feature SockGuy's Stretch-to-Fit sizing and Easy-Fit cuffs.

Shimano ST-EF500 shift/brake lever provide an ergonomic, integrated solution for both brake and shifting controls. - Optical gear display - Adjustable reach - 4-Finger lever, compatible with cantilever, roller, linear-pull, and mechanical disc brakes

- DT Swiss cartridge bearings - Sold in pairs

Compatible with most Shimano drivetrains, microSHIFT thumb tap shifters have durable bodies with ergonomic shift levers that make it easy to get bikes going again. - Include shift cables - Visible gear indicator

High-quality replacement skewer to keep the bike moving. - OE Replacement skewers - Available in a variety of OE replacement lengths - Measure hub width and skewer length to ensure proper compatibility

Add some flair and fun to kids' bikes with MSW Squeeze Horns. - Fits standard 22-26mm diameter handlebars - Approximately 3" wide

Allows use of standard stem with your Domane. - Keeps a clean aesthetic - For specific compatibility concerns, please contact our Customer Service team

Rain, sleet, hail, snow, no matter what form it comes in, water can reek havoc on your drivetrain. Fortunately, White Lightning's Wet Ride is designed to meet the demands of riders who traverse soggy terrain and ultra-long distances. This heavy bodied lube is made of premium synthetic oils and water-repelling polymers so it's 100% waterproof and unwaveringly durable. Dirt loving riders will appreciate how well it counteracts the effects of mud and every cyclist will appreciate the anti-corrosion additives that even protect during wet, winter commuting.

These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside. - No more flats for 2 years! - Extra strong with Slime sealant inside - Instantly seals tread area punctures up to 1/8" (3mm) in size - Seals multiple punctures repeatedly - Non-toxic and non-flammable - Cleans up with water

The classic Longneck ribbed grip pattern with an open end to accomodate end plugs. - Classic mushroom style collapsible rib pattern - Constructed of our proprietary grip compound for comfort and durability - The grip of choice for top athletes around the globe - Open ends with Thug Plug end plugs included

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.

- ISO Diameter: 507 / 24" BMX - Tube Compound: Butyl - Wall Thickness: 0.9mm - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded Note: This product may have different packaging than pictured with a slightly different labelled size. Rest assured, the size range on the package will have the same or a broader functional range as the listed sizing of the product you ordered.

Surly Inner Tube to fit a wide range of plus-size and fat bike tires. - Labeled Size: 26 x 3.0 - 4.8 - Weight: 310 g - Valve Core: Removable - Shaft Type: Threaded - ISO Width (mm): 76mm–100mm - Tube Compound: Butyl - ISO Diameter: 559 / 26-inch MTN - Valve: Presta Short 32-40mm

The Problem Solvers Braze-On Front Derailleur Adapter simply clamps onto your frame's seat tube and provides a secure place to bolt on your braze-on front derailleur (sold separately). This fine adapter is made of light, durable aluminum and includes a stainless-steel bolt.

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.

High performing square bottom bracket interfaces with English frames. - Fits square-taper spindle cranksets - Alloy adjustable cups - Includes 2 axle bolts

- 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: 150 g / 5.3 oz - Capacity: 0.71 L / 24 fl oz

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: 0.59 L / 20 fl oz - Dimensions: 8.25 x 2.75 in. - Material: LDPE, TPU Valve - Weight 82 g / 2.9 oz

Let everyone know your coming with Sunlite's I Love My Bike Bell. It makes the classic "ring-ring" sound that everyone loves. It fits most bars and can be used right or left handed.

Your biggest supporter: thin, breathable socks with firm support. Our most popular cycling sock. The ASPIRE is engineered with firm compression and a thin profile for a responsive feel. Firm compression supports every contour of the foot to reduce fatigue during endurance activities. The Four height sits below the calf and its double-cuff construction provides extra support for cycling and trail running. - Thin profile is designed to fit into any technical shoe with a barely-there feel. - Firmly hugs the contours of your feet to support the arch and help reduce fatigue. - Built to provide maximum breathability with signature fibers that wick moisture, keeping your feet cool, dry, and blister-free. - 67% Nylon / 28% Olefin / 5% Spandex

Replacement levers for Trek kids' bikes. Genuine replacement parts Replace your worn or damaged brake levers for proper braking operation. - Sized for smaller hands - Two-finger lever operation

The industry standard comes in all sizes Premium-quality Bontrager Standard butyl rubber tubes feature a 0.9mm wall thickness for the perfect balance of weight savings and durability. - 0.9mm wall thickness - Equipped with removable valve cores - 100% inspected for guaranteed quality - Best value 27-inch tire size equivalents - 700c x 28 – 32 also fits 27 x 1-1/8 – 1-1/4 - 700c x 35 – 44 also fits 27 x 1-3/8 – 1-3/4

- 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

- Size: 700c x 28 – 32 - ISO Diameter: 622 / road / 29" - ISO Width: 28mm, 29mm, 30mm, 31mm, 32mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 128g (32mm), 129g (48 & 60mm)

This kit includes a Greenfield center-mounted kickstand as well as a mounting plate that's designed with a cutaway to clear derailleur cables. The kickstand is lightweight, durable, and looks great on any bike. It's made of aluminum and made in the USA. - 285 mm (for bikes 22" and under), 305 mm (for bikes 22" and over) - Certified Non-Corrosive Casting - Snap Action Mechanism - Non-Slip Clamping Surface

- Swiftwick's durable Performance Socks will last training session after session - Managed Compression offers 3-point arch support to increase endurance and reduce fatigue - Half Density Weave enhances range of motion and prevents bunching - Y-Heel Contour provides a no-slip fit - Signature Double Welt Compression cuff - T-66 Nylon toe and heel - Double density weave footbed - Thin Channeled Upper - Weight: 25g

A comfortable and classic pair of socks with race credentials. RAPHA ON YOUR FEET Based on our popular Rapha Pro Team Sock, which have seen action at the highest level of racing, these comfortable counterparts are made from a new and improved fabric yarn for softness, durability, stretch, and breathability. PRODUCT DETAILS - The moisture-wicking, quick-drying material keeps your feet fresh while at work or play - For added durability, the toe and heel boxes are reinforced - Elasticated cuffs keep everything in place - Recommended for use in cool to hot conditions

- Nylon clips - Woven straps - For ATB or hybrid use