Catalog

Finding the perfect gift can be tough. Which is exactly why we offer gift cards. They make great presents for relatives and friends, and are a fantastic way to thank someone special. They're always the right size and color, too. We will email the card number to you and create an account in our system with the card number attached to your name. Just enter the appropriate customer information during checkout. Gift cards are for in-store redemption only. Enjoy!

NEW! Petri T-Shirt. Choose your side! Michigan or Michigan State colors.....(or both!) Super soft Tri-Blend material Size Small - 2XL Unisex fit These are a LIMITED EDITION so get yours before they are gone!!

- The original third-Eye eyeglass mirror design - Shatter-Proof aluminized glass mirror, Resists discoloration - Mounts to left or right sun/Eyeglass temple-Arm - Rubber-Tipped outer prongs provide a no-Slip mount

45NRTH utilizes a two-piece construction method to create a reliable and high-performing bicycle tire stud, featuring a concave carbide-aluminum design. The super-sized concave crown creates open space and inside edges of the bowl, resulting in twice the surface area for increased traction and grip. - Concave tip for durability and longevity - Aluminum base to save weight - Compatible with the 45NRTH stud insertion tool - Sold in a pack of 100 - XL Stud features a larger carbide tip diameter for increased traction

Super hardened steel designed for high torque Singlespeed and BMX use.

Enhance your Trail-A-Bike with the Back Rest! Offers additional back support and security for your little one and peace of mind for you. Perfect for kids who like to take a break from pedaling while out on a ride. • Breathable, ergonomic padding for added comfort and support • Contoured safety-buckle system offers improved security • Under-arm padding prevents pinching and discomfort, enhances support • Fits 25.6mm and 27.2mm seatpost with included shim • Weight: 2.6 lb (1.2 kg) • For ages 3 and up

- Noodle/Boot completely seal brake cable, upgrades most linear brakes

To keep your Avid brakes functioning properly, check your pads for wear and replace them when necessary. Organic compound pads are softer for quieter braking and increased modulation, while metallic pads dissipate heat better and last a bit longer. Two pads, one retraction spring and a mounting bolt are included (enough for one brake) in each pad set. And, choose an aluminum backing plate if you're really counting the grams.

Avid's Front 180mm/Rear 160mm Post Bracket Hardware Kithas everything you need to mount a front 180mm or a rear 160mm rotor (sold separately) to your bike.

Mount a rack to any bike with this lightweight adapter that adds two M5 rear threaded eyelets to the seatpost. CONSTRUCTION • Aluminum

Easy-to-install rear fender for your fat bike. CONSTRUCTION • Virtually unbreakable polypropylene body MOUNTING SYSTEM • Adjustable rubber straps mount to down tube • 100% recyclable • Ships and merchandises as a flat sheet and snaps onto the included seat tube bracket • Hardware included • Weight: 190 grams / 6.7 ounces

A highly functional trunk bag with a thermal-lined main compartment. Optimized for use as an insulated lunch bag. Every Seymour bag is created using Oceanweave – Axiom’s new lightweight and durable fabric made from reclaimed fishnet – to help reduce the amount of harmful plastics in our oceans. CONSTRUCTION - OCEANWEAVE 600D recycled fishnet polyester with waterproof polyurethane coating - Washable reflective interior is ideal for carry beverages/food. MOUNTING SYSTEM - Lightweight, universal Velcro attachment system attaches to top of rack ADDED BENEFIT - Insulated main compartment is ideal for beverages/food and helps keep contents cool/warm - Side mesh pockets - Rear zippered pocket - Carry handles for added convenience - Volume 9.0 L / 549 cu in - Weight 414g / 0.91 lbs

The Box Four chain employs an 8-speed platform in a similar strategy to the Prime 9 but at a great price point. The chain is polished and then chemically treated to achieve corrosion resistance. We engineered the inner link spacing to be a little tighter than other 8-speed chains and is optimized for use with our Box Four Wide/Narrow Chainring.

- Heat treated allow steel solid links with solid pins - Compatible with SRAM, Shimano, and Box 11 speed drivetrains - Also compatible with Box`s 7 speed downhill specific drivetrain

The Box One multi shifter is the only shifter on the market that comes factory stock with a hinged (and machined) clamp. It's top of the line and comes packed with other features such as a durable cast aluminum pull lever and top shell. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).

- Waterproof (IPX3) - Elastic cord ontop and mesh side pockets - Removable and adjustable shoulder strap - Waterproof lining with roll top - Fastening: 4 straps at bottom - Compatible: MIK system

BiKASE's Handy Andy holds all iPhones (in and out of cases), Androids, such as Motorola's Bionic and Razor, the Samsung Galaxy and many more phones. It quickly, easily and securely mounts with the neoprene Velcro straps. Simply wrap them around your handlebars, stem, frame top tube, or even your backpack for easy access to your smart phone while riding. No tools are required! This phone pouch makes calling or navigating with a GPS or training app simple. The see-through window allows viewing information while keeping your phone or device protected and lets you easily operate the touch screen and talk, too, with the phone in the case. A removable pad is included for those really thick phones. • Removable straps to use as cycling wallet. • Mounts on stem or top tube • Mounts on backpacks, messenger bags, strollers, grocery cart, etc. • Reflective logo • 2 Way Zipper Pull • Material: 840 denier nylon/TPU cover • 6.00 x 3.38 x 1-inches • 100 grams

BiKASE's Beetle Top Tube/Stem Phone Bag is perfect for your phone, wallet, keys, gels and other smaller items. This fine 600-denier nylon bag quickly and easily attaches to your bicycle frame top tube or your stem with its Velcro and shock cord mount. Your phone goes on top and there's a zip compartment below for your other goodies. You can operate your phone through the clear window. The Beetle accepts iPhones and Samsung Galaxy S3 and S4s and has a removable spacer to fit big or smaller phones.

- Upper cables measured from brake lever to detangler top plate - Lower cables are measured from detangler to cable stop/London mod - Includes adjusters compatible with most detangler styles - Use: Lower - Length: Fits most - Diameter: 1.5mm

- Designed for linear pull & mechanical disc brakes - Aluminum construction - 2.5 finger - 22.2mm (7/8-inch) clamp - Left/Right: Right - Reach adjust and return spring - 88g each

- Chromoly construction - Classic BMX design - Material: Cro-Mo - Setback: 0mm

- 4130 chromoly axle pegs with 3 position anti-rotation set screw - Designed for use with 14mm or 3/8" axles (with adapter) - 4130 chromoly offers a durable, long lasting peg with a smooth grind - 3 set screw positions extend the life the of the peg - Axle: 14mm / 3/8" - Diameter: 35mm - Material: Chromoly - Sold in pairs

- 3-piece BMX crankset - Tubular steel construction for added strength - 8 spline, 19mm spindle - Length: 175mm

Key features: - Leisure Posture 5 is the most upright pelvic rotation for recreational riders - Soft cushion gel padding provides ultra comfort - Contour Relief Zone Plus (CRZ+) full saddle cutaway enhances soft tissue protection - Tough, weather-resistant cover repels water

Key features: - Leisure Posture 5 is the most upright pelvic rotation for recreational riders - Engineered specifically to yield better fit and greater comfort for women - Soft cushion gel padding provides ultra comfort - Contour Relief Zone Plus (CRZ+) full saddle cutaway enhances soft tissue protection - Tough, weather-resistant cover repels water

Bontrager's latest TLR sealant seals faster, lasts longer, and provides better air retention so you have a better tubeless experience with easier setup. The ammonia-free formula won't corrode rims or degrade tire rubber, and it provides permanent repair for punctures up to 6.5mm. Product details - Improved flat protection seals punctures faster - Increased air retention holds air longer with 3x less air loss than the original - Compatible with all TLR tires for use on road, gravel, and mountain bikes - Ammonia-free mixture won't corrode alloy rims or degrade tires - Effective in temperatures ranging from -5 to 120 degrees F (-21 to 49 degrees C) - Cool new blue color - Use with Bontrager TLR wheels, sealant, and rim strips for a complete tubeless system designed and tested to work together - Can be used in tubes to help seal punctures

Original replacement parts for your Bontrager rack. Details: - For use with any post-2009 BackRack - Easy to install

Get your computer dialed with the perfect magnet Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride. - Universal crank magnets sized for your bike and sensor - Compatible with all cadence sensors

A versatile chain lube that provides lasting lubrication for a smooth, quiet, and efficient ride. Bontrager's proprietary chain lube is a true hybrid to ensure your chain stays clean, quiet, and efficient. The long-lasting formula lets you go longer between applications. Product details - High-performance chain lube works great in all conditions and riding styles - Proprietary formula is Trek's factory-recommended chain lube - Helps maintain clean, long-lasting, and efficient drivetrains - Pleasing berry scent - Apply after your ride and allow to dry to keep your drivetrain clean - 4 fl oz (118mL) bottle is easy to use with a precise applicator tip - Also available in 0.5g/1.9L bulk bottle for easy and economical refills - Keep out of reach of children and do not ingest

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 - 700cx 23 – 25 also fits 27 x 7/8 – 1 - 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

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. Product details - 0.9mm wall thickness - Equipped with removable valve cores - 100% inspected for guaranteed quality - Best value

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

A high-performance bike polish that’s designed specifically for bicycles so you can keep them looking their best. Get your shine on Make your bike shine with this bike specific polish. It features a gloss-enhancing formula that seals and protects the paint, while guarding against water, dust, and dirt so your bike looks as good as it rides. Product details - High-performance bike polish designed for all bikes and all paint finishes - Proprietary formula is Trek's factory-recommended bike polish - Safe on all paints, but may alter finish on matte paints - Pleasing grape scent - For easiest results, spray onto clean microfiber cloth and apply to clean bike - 12 fl oz (355mL) spray bottle is easy to use and refillable - Also available in 1g/3.8L bulk bottle for easy and economical refills - Keep out of reach of children and do not ingest

This ultra-high-performance grease is ideal for use on bicycles. The low-friction formula resists water and contaminants without standing out on the bike Product details - Performance waterproof grease for bicycle bearings, seals, assembly, and more - The formula reduces friction while performing longer between service intervals - Superior water washout resistance stands up to power washing - Unscented and undyed - As with all grease, clean and remove old grease first to guarantee compatibility - Compatible with Loctite Threadlocker and all metals, plastics, and carbon fiber - Available in a wide range of sizes and dispensing methods - 3oz (85g) cartridge is most compatible with the Bontrager Grease Gun

Tubeless setup made easy with valve stems designed to work as a system with Bontrager wheels, tires and rim strips The valves you need to upgrade to Tubeless These rim valves are crucial in upgrading your Tubeless Ready (TLR) Bontrager wheels to the next level of dependability and performance. Product details - To be used exclusively with Bontrager Tubeless Ready (TLR) wheels - Use only with Bontrager TLR rim strip with rectangular base - Required for Bontrager's Tubeless Ready (TLR) system setup - Removable valve core for easy sealant fill - Sold as singles

These rim valves are crucial in upgrading your Tubeless Ready (TLR) Bontrager wheels to the next level of dependability and performance. Key features: - To be used exclusively with Bontrager Tubeless Ready (TLR) wheels - Required for Bontrager's Tubeless Ready (TLR) system setup - Removable valve core for easy sealant fill - Silver MTB valve is compatible with all Bontrager Mountain wheels except: Line XXX, Kovee XXX, and Line Pro 40 - Alloy Road Tubeless Rim Valve is compatible with all Bontrager alloy TLR road wheels

- To be used exclusively with Bontrager 29""/700c Tubeless Ready (TLR) wheels - TLR Rim Strips are the light and easy solution to Bontrager Tubeless conversion - Rim Strip replacement is recommended if removed from the wheel

- To be used exclusively with Bontrager 29""/700c Tubeless Ready (TLR) wheels - TLR Rim Strips are the light and easy solution to Bontrager Tubeless conversion - Rim Strip replacement is recommended if removed from the wheel

- To be used exclusively with Bontrager 29""/700c Tubeless Ready (TLR) wheels - TLR Rim Strips are the light and easy solution to Bontrager Tubeless conversion - Rim Strip replacement is recommended if removed from the wheel

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns. - 36mm valve length

Protect yourself from flats with Bontrager Thorn-Resistant tubes. Asymmetric design uses thicker rubber on the tread side and thinner rubber elsewhere, which saves weight while maximizing puncture protection. Product details - 4.1mm thickness (tread side) - Asymmetric extrusion puts extra rubber along tire sidewall and tread zones - 100% inspected for guaranteed quality 27-inch tire size equivalents - 700c x 22 – 25 also fits 27 x 7/8 – 1 - 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

A bike glove specially designed to support and protect little hands while offering fun graphics. Tiny hands, big protection - Start 'em young and start 'em right. Give your kids comfort, safety, and their own style with gloves designed and engineered specifically for young hands. Bontrager Kids' gloves include an adjustable wrist closure to keep the glove stable, while proper padding on the palms reduces hand fatigue. - A bike glove specially designed to support and protect little hands while offering fun graphics. - Sizes Small/Medium designed for ages 4-6 and Large/X-Large for ages 7-10 - Soft and flexible palm and padding specifically designed for kid hands - Grippy texture on palm can be easily cleaned - Absorbent fleece on thumb - Adjustable wrist closure

Key features: - Blendr works with this simple formula: Stem + Base + Mount. Add accessory. - Bases for use with Bontrager XXX Blendr stem - Add any XXX accessory mount (sold seperately) for an elegant, integrated look

An adjustable, rear integrated kickstand that supports bikes of all sizes, from 24" to 29" wheels. Adjustable length fits more bikes Intended for bikes with an integrated mount at the rear dropout, this ultra-stable kickstand with an adjustable length will keep even the most stubborn bikes upright. Installation is quick and easy and the adjustable length works for bikes with wheels from 24-inch wheels all the way to 29-inch wheels. - Adjustable length fits bikes with 24-29-inch wheels - Compatible with Trek bikes equipped with integrated direct mount chainstays - Will not interfere with pedaling - Super strong and stable platform will hold your bike upright even with gear on the rack

Get the most from your Bontrager Switch Lever thru axle system. Product details - Original equipment replacement lever for Bontrager Switch Flip thru axles - Can be kept inside the thru axle or left off the bike to save weight - Lever is held securely by internal O-ring on the thru axle

Made with recycled materials, this grip features a contoured shape and dual-density construction for ultimate support on any trail. Lock-on comfort Take the long way with the XR Endurance Comp Recycled Grip made using recycled plastics at the grip core. Contoured shaping provides comfort and support, while an opposing tread pattern ensures your palms are padded and your fingers stay in place. This Dual-Density grip features a lightweight lock-on design that securely attaches to any bar. Using recycled materials in this product helps provide second life to unwanted end of life plastics. Product details - Grip core is made from recycled plastic - Contoured design comfortably supports palm to decrease fatigue - Opposing tread pattern absorbs shock in palms and increases grip at fingertips - Dual-density compound provides secure grip, control, and comfort - Continuous tread pattern optimizes grip for moisture management and shock absorption - Lock-on clamp securely holds grip core to bar, eliminating slipping Features: The net effect Fishing nets make up an estimated 10% of all plastic in the ocean. What's even worse is that they're 4 times more harmful to the ocean environment than all other forms of plastic pollution. A global issue Each year 18 billion pounds of plastic enters the ocean, polluting beaches and waterways around the world. Better products for a better planet We're committed to lightening our footprint and designing for circularity wherever possible. This product and others contain recycled material and are made using planet-friendlier manufacturing processes.

The Elite Recycled Water Bottle Cage provides the same secure bottle hold as the carbon Pro Cage in a more economical and eco-friendly form. The cage is made from recycled composite material and is available in a wide variety of colors to suit your bike from trail to tarmac. Using recycled materials in this product helps provide second life to unwanted end of life plastics. Product details - Made using recycled plastic - Super strong and lightweight construction - Secure bottle retention suitable for road and mountain use - Available in a wide variety of colors - 35 grams

Choose your flavor The Elite Water Bottle cage provides the same secure bottle hold as the carbon Pro Cage in a more economical, composite material. This cage is ideal for road and mountain bikes, and it's available in a wide variety of colors to suit your bike. - Super strong yet lightweight construction - Secure bottle retention suitable for road and mountain use - Available in a wide variety of colors - Weighs only 38g

This classic bar tape combines the traditional feel of natural cork with the vibration damping power of gel for a comfortable ride feel and a clean aesthetic that will never go out of style. It's easy to install and comes with Bontrager finishing strips and bar end plugs. - Gel tape with natural cork feel - Ideal stretch for quick and easy installation - Inner gel strip for extra comfort - Finishing strips and reflective Bontrager bar end plugs included - Non-adhesive backing

Feel fast, safe, and stable in any weather and on any road on the T1 road touring tire. With super tough nylon casing and durable compound for added wear and traction, this tire is ideal for touring, training, or recreational riding. Key features - Engineered tread design for confidence in wet or dry conditions - Durable compound gives long tread life - Extra-strong nylon casing - 30 TPI - Wire bead - Clincher

Bontrager Tubeless (TLR) Rim Tape creates an air-tight seal that covers spoke holes in the rim for easy tubeless tire setup and installation. The tape securely bonds to the rim and doesn't leave residue when removed. For use with wheels approved for TLR Tape-based tubeless conversion. - Provides durable, air-tight seal over spoke holes for tubeless conversion - Wrap four wheels with a single layer of tape or two wheels with a double layer - Provides secure adhesion to rim without leaving residue when removed - Thoroughly clean and dry rim bed before applying - For use with rims approved for TLR Tape-based tubeless conversion

A kid-sized MTB tire with all of the technology and performance of the larger sizes. Kid-friendly fit, grown-up performance The XR1 Kids' is a durable, kid-friendly tire with the same reliable traction and performance as the grown-up versions. It rolls fast, features a versatile tread for a variety of trail conditions, and keeps weight down so little rippers can quickly gain speed and keep momentum through corners and up hills. Product details - Excels in firm and fast conditions - Offers fast-rolling and predictable cornering with consistent traction Specifications - Size: 20" x 2.25" - Diameter: 20" - Width: 2.25" - TPI: 27 TPI - Durometer: 60a - Bead: Wire - Type: Clincher - Max pressure: 50psi - ETRTO: 57-406 - Weight: 715g

Solstice Flat Bar Gel Cycling Glove is designed with a pad that fills the natural arch in your palm to create a seamless connection between hand and handlebar. We believe that no matter how long or short your ride, it deserves to be comfortable. This gel-padded glove is the perfect option for those shorter rides and pairs perfectly with flat handlebar bikes. - Silicone gel pad is specifically designed for comfort and palm support - Ergonomic pad shape fills the palm's natural arch for a seamless connection to bike - Faux suede palm provides great durability and texture for grip - Sleek pull-off feature on middle and ring finger makes glove removal easy - Soft nose wipe on thumb - Mesh back-of-hand for breathability and a comfortable fit - Pull-on wrist opening

Solstice Gel Cycling Glove allows you to conquer longer rides with long-lasting gel comfort. This gel padded bike glove uses strategically shaped and placed silicone pads to add comfort and absorb road vibration, so your hands stay happy longer. - Silicone gel pads are specifically designed for comfort and vibration control - Optimized pad density properly distributes pressure right where it's needed - Unique pad design reduces bulk while providing a better connection to the bike - Faux suede palm provides great durability and texture for grip - Sleek pull-off feature on middle and ring finger makes glove removal easy - Soft nose wipe on thumb - Mesh back-of-hand for breathability and a comfortable fit - Hook-and-loop closure provides a customizable and secure fit

A purpose-built gravel tire with a smooth rolling yet grippy tread for confident traction across all road surfaces.

The Bontrager City Pedal Set delivers comfortable foot support and reliable traction to keep you confidently connected to your bike. It features reflective edges on the front and rear to add visibility in low-light conditions, and a strong, durable, and easily serviceable chromoly axle to keep you rolling smoothly ride after ride. - Nylon concave body supports and stabilizes foot while pedaling - Anti-slip texture for traction and confidence - Front and rear reflective panels add visibility in low-light conditions - Durable chromoly spindle with long- lasting, serviceable bearings - Installs with 6mm hex key or flat 15mm pedal wrench

This versatile hybrid and city tire is great for a variety of conditions and offers basic puncture protection and durability. A tire ready for everyday H2 is the go-to replacement tire for city and hybrid bikes. Its versatile design is at home on streets, paths, and light trails. The tread rolls smooth and provides good cornering traction for a confident, efficient ride, and the durable construction delivers long-lasting tread life. Product details - Excellent tire for streets, paths, and light trails - The updated tread design delivers confident traction that rolls smooth - Tough 30 TPI construction for durability and longer tread life - Budget-friendly replacement tires that deliver performance and value Specifications - TPI: 30 TPI - Durometer: 60a - Bead: Wire - Type: Clincher - Minimum pressure: 60psi - Max pressure: 95psi - ETRTO: 32-622 - Studdable: No

This versatile hybrid and city tire is great for a variety of conditions and offers basic puncture protection and durability. A tire ready for your everyday H2 is the go-to replacement tire for city and hybrid bikes. Its versatile design is at home on streets, paths, and light trails. The tread rolls smooth and provides good cornering traction for a confident, efficient ride, and the durable construction delivers long-lasting tread life. Product details: - Excellent tire for streets, paths, and light trails - The updated tread design delivers confident traction that rolls smooth - Tough 30 TPI construction for durability and longer tread life - Budget-friendly replacement tires that deliver performance and value - Size specific tread adds traction to wider sizes with faster rolling design for narrower sizes - Size-specific tread patterns with more traction on wider sizes and a faster-rolling design on narrower sizes - H2 tires in select larger widths are made from recycled tires Features: A hybrid tire you’ll love H2 is our best hybrid tire and the perfect upgrade for your city bike. Better protection against flats means more riding, less punctures, and a longer lasting tire. reCYCLE compound Bontrager's proprietary reCYCLE compound gives new life to old rubber! H2 tires in select sizes (700x40 and larger) contain 11% recycled material. Tread for how you ride H2 tires have a size-specific tread design. Larger tire sizes have additional tread for added traction and confidence, while narrower tire sizes have a smoother tread for a faster and more efficient ride.

The Bontrager Comp 31.8 stem is Blendr ready and provides a secure and confident connection to 31.8 handlebars for road, city, and mountain bikes. - 6061-T6 cast body construction - 4-bolt dual band clamp retains stiffness and reduces weight - Opposing 2-bolt steerer tube clamp with M5 corrosion resistant steel bolts - Blendr ready for seamless accessory integration - Compatible with Blendr Elite bases and Blendr mounts - Suitable for use on a road, city, or mountain bike - Safe for use on carbon steerer tubes and handlebars

Confident and durable The versatile Line Comp Flat Pedal is built from durable nylon for a solid platform with integrated traction, so every time you place your foot on your pedal your shoe stays put. Line Comp is strong enough to use on your mountain bike, but also at home on your city or commuter bike. A durable frame and solid axle with sealed cartridge bearings ensure lasting performance. Versatile flat pedals with a durable nylon body and forgiving traction tread that delivers consistent, confident grip. - Durable nylon body with a proven shape for comfort and confidence - Sturdy axle boosts durability and spins smoothly on sealed cartridge bearings - Nylon traction pins provide forgiving, confident traction - Simple to install with either 6mm hex or standard 15mm pedal wrench