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The SRAM DUB bottom bracket series has a simple job— to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard - Significantly lighter than GXP system

Durability-Focused Mountain Bike Gloves The Defend Gloves are a perfect mix of lightweight top hand material and a minimal, yet extremely durable palm. The stretch mesh finger gussets (the fabric between your fingers) increases flexibility as well as helps channel air through the glove for superior comfort. Touchscreen compatibility is an additional feature for taking those epic mid-ride photos when the weather breaks. - 4-way stretch polyester construction - Single-layer Clarino palm with strategically placed perforations - Stretch mesh finger gussets for improved airflow and movement - Compression-molded cuff for secure fit - TruFeel internal texture for heightened feel and control of levers - Touchscreen compatibility - Hook-and-loop wrist closure style MATERIALS - 40% nylon Cordura, 28% nylon66, 20% PET, 12% spandex

Key Features - 4-way stretch for exceptional mobility - Single-layer breathable palm - Touchscreen compatibility Podium-proven. built for durability Defend Gloves combine the perfect mix of lightweight top-of-hand material with a minimal, yet extremely durable palm. This single-layer Clarino® palm features strategically placed perforations, while the stretch mesh finger gussets (the fabric between your fingers) increase flexibility as well as help channel air through the gloves for superior comfort. Specifications: - 4-way stretch polyester construction - Single layer Clarino® palm with strategically placed perforations - Stretch mesh finger gussets for improved airflow and movement - Compression-molded cuff for a secure fit - TruFeel® internal TPR knobbies direct-injected at the fingertips - Clarino® palm for touchscreen compatibility Materials - 56% polyamide-nylon, 14% neoprene, 13% polyurethane, 11% polyester, 4% elastane, 2% polyvinyl chloride (PCV)

We understand lights are an integral part of your daily commute. Using a light can mean the difference between being seen or not by automobile drivers. Many of the "entry level" commuter lights are nothing more than "be seen" lights. Your overall safety and visibility should not be limited by your budget, and that's why we created the Mako Series. The Mako line offers four models and up to 250 lumens, not only allowing the cyclist to be seen but allowing the cyclist to see as well. The Mako line is easy on the wallet and easy to operate. For much of night riding, the key to survival is not only seeing but also being seen, the CherryBomb 100 addresses the latter. By incorporating a unique multi-directional collimator specifically designed for cycling, the CherryBomb 100 maximizes visibility by dispersing light to the sides of the rider as well as to the rear, effectively eliminating blind spots to upcoming automobiles. To further rider safety and visibility, the CherryBomb 100 employs a custom-made, built-in reflector which allows the rider to be night time visible even when the taillight is in the off position. Clip and bike mounts are included, for flexible mounting options. Mako 250 - Low cost, high powered light - Highly visible in traffic = keeps you safe - Run Time: 7:00 – 28:00 hours - 3 light settings—High, Low, and Flash - Tough durable design - Water / Dust Resistant IP64 Rated CherryBomb 100 - Daylight Visible Flash (DVF) - Up to 136 hour run time - Visible up to 1 mile - Internal reflector = visible if light in off mode - Easy to operate AAA batteries - Super bright day time flash mode - Be Seen by cars = Be Safe - Water / Dust Resistant IP64 Rated

Pair this kit with a cassette cog of your choosing (sold separately) and discover the joy and simplicity of a singlespeed without the cost of a new wheel. The Singlespeed Spacer Kit includes a variety of high quality aluminum spacers so you can dial your chainline and a stainless steel lockring to tighten everything down right.

The Strada is Challenge's go-to tire for long days on the road. This all-condition tire combines a round profile that takes the sting out of rough pavement with a construction that provides maximum control and low rolling resistance. This clincher with 120TPI nylon casing provides both performance and durability. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.

Banjo Brothers' Handlebar bag is loaded with clever features. It's made from tough, water-resistant fabric with a flip-up clear map pouch plus plenty of interior and exterior pockets for organization. Stability is top notch thanks to its secure Velcro attachments, rigid interior support and secondary strap that attaches your fork's eyelets. It even fits suspension forks with an included alternate strap. Reflective accents all the way around give you visibility and you've got a clip for attaching a blinkie.

Banjo Brothers' Market Pannier is a deluxe grocery-getting pannier and so much more. This bag is ideal for commuting, too. Its easy-on/off mounting, carry handles, and shoulder strap make it convenient to bring inside. And a large cinch-down flap keeps all your stuff covered and secure. It's equipped with a heavy-duty frame on the back and bottom plus ballistic fabric in all wear areas. Nice finishing details include side straps that support your load while keeping the bag closed when not in use, and an inside zipper pocket for smaller items.

Extend the capabilities of your ebike by adding a rear rack. With a rack in place, you can add panniers, a rack top bag, or a basket. Perfect for commuting to work or school, grocery runs, or bringing lunch along on your rides.  This rear rack fits Denago City Model 1 top tube (step-over) and step-thru eBikes. aluminum construction includes mounting hardware

The Campagnolo C13 EKAR Chain was developed specifically for the EKAR 1x13-speed gravel system. - Wide-narrow design allows for efficient drive, smooth shifts and high security - The narrow profile is lightweight, strong, and efficient - Strong, durable, links feature different grades of steel and coatings for strength and to withstand wear - Unique ultrasound bath lubrication impregnation system for long chain life - C-Link allows for easy removal and cleaning Specifications: - Links: 117 - Chain Connection Type: Quick Link - Drivetrain Speeds: 13 - Weight: 242g

In terms of both comfort and performance, anywhere that your body touches the bike is of the utmost importance. That's why we designed the Hover Alloy Handlebars to excel on both fronts. Starting with the construction, they're made from our Premium Butted Aluminum for a nice overall weight and high rigidity. And for comfort, much of it boils down to fit. Along these lines, they feature a shallow drop & bend that's extremely comfortable, while they also have a 15mm rise to help accommodate a wide fit range. For added stability we've added 12 degrees of flare at the drop to give that wide stance. - Constructed from 6061 Butted Aluminum for a high-strength design. - 15mm rise provides a wider range of fit. - Shallow Bend Drop: 103mm drop x 70mm reach x 12d flare

Purchase our Kid Trailer axle for your bike, and share your stoke for cycling with your kids. Simplify your life by allowing quick and secure attachment of your trailer to your best and favorite bike. Enjoy the adventure. Robert Axles for Kid Trailers are designed specifically to fit your 12mm thru-axle bike and allow attachment of any hitch-mounted trailer. These fit any trailer that has two wheels and a single point of attachment to the axle. This includes all the two-wheeled child, pet, and cargo trailers such as Thule, Chariot, Burley, Instep, Carry Freedom, and many more. - The axle shaft and axle end are precision CNC-machined. - The axle shaft is 7075 aluminum and hard black-anodized for rugged durability. - The stainless steel axle end allows for mounting of the hitch provided with your trailer. - Hardware for attachment of the hitch is included; the hitch, itself, is not. - No special tools required. Design allows for wheel installation and removal using your standard 5mm hex wrench. - Designed, built, and quality tested in the USA. Proven around the world.

Instant Bike Dashboard A smartphone bike mount is a worthy investment for any commuter, cyclist or weekend warrior who prefers his or her phone at the ready. With a sleek and unobtrusive design, this lightweight device, crafted of forged aluminum, is the ideal minimalist solution for your phone holder needs. - Construction: Forged aluminum with silicone stretch web. Aesthetic patent-pending design offers riders a low-profile mount. Additional support arm for forward-facing placement on any handlebar from 25 mm. - Compatibility: Silicone stretch web material securely fits any phone (standard or plus size) with any case. The textured platform provides plenty of grip, even in inclement weather. - Universal: When your smartphone isn't enough, change out the provided adapter mounting suited for your Garmin and Wahoo systems. An all-in-one solution within a single mount, each of your screens stay visible and secure, even on the roughest terrain. - Convenient: With your phone securely mounted to your handlebar, you can use navigation apps to reach your destination, and always stay connected. - Lightweight: Only 50g—no added weight to bike profile.

For your way off-road. For more comfort. For the adventure. Be it the long tour, or the shortcut on your way home. The new gravel Terra series by Continental gets you there. Made to get you over rough and smooth. Choose alter road, choose Terra. Tubeless Ready Developed especially for the mountain bike sector, this additional puncture protection layer which completely encircles both tire beads makes our carcasses robust and impervious against damage and penetration from foreign objects. For maximum effect we combine ProTection with BlackChili Compound. The result: versatile, low weight and an attractive design. In addition, tires made using this technology can also be used as Tubeless Ready. ProTection The ProTection technology gives our tires their perfect mix of fast rolling, grip and puncture protection. Four plies under the tread and three in the sidewalls make this possible. The whole tire attains greater resilience and becomes less vulnerable to damage.

Race it hard or just head off the beaten path. The Strada Bianca takes the proven construction of the Paris-Roubaix and adds volume to take you comfortably over less-than-perfect surfaces. Challenge introduces STRADA BIANCA H-TLR 45. The staple herringbone-design tire proves its handmade performances on rougher terrain with a new gravel-specific construction and an added beefier new 45mm size. The STRADA BIANCA 45 is the tire designed to take you comfortably rolling over rough pavement, cobbles, sandy or hardpack fields, to literally floating over the more enduring dry, rocky terrains. It is the first 45mm tire in the Challenge range.

The strongest K-EDGE Mount yet, designed for today’s heaviest computers, cameras and lights. Upgrade to the Garmin Max Combo mount for a solid and clean platform for your cycling electronics. Chosen by the best, year after year, when quality, performance and craftsmanship matter. - Max XL combo mount is compatible with all Garmin Cycling Computers - Combo Mount (Computer on top – light or camera underneath) with GoPro style light/camera interface - GARMIN approved replaceable computer insert protects computer tabs - CNC Machined Aluminum, Anodized Black with laser etched logos - Made in-house, Boise, Idaho USA with a Lifetime Warranty - Weight: 63g

The Pathfinder is the winningest tire in gravel, with victories at the biggest gravel races in the world, including multiple Unbound 200 wins. So, apologies to the rest of the field, but we just made the Pathfinder even faster. Introducing the S-Works Pathfinder. It retains the tread pattern, 2Bliss Ready compatibility, and natural casing that have made the Pathfinder Pro the best combination of speed and traction in gravel while shaving 210 grams a set and reducing rolling resistance significantly. - Casing: 120 TPI - Bead: Folding - Butyl wrapped bead = 2Bliss Ready - Dual Compound: GRIPTON T5/T7 - Flat Protection: GRID RACE and BlackBelt - 700 x 42mm, 35-65PSI, approximate weight 435 grams - Road, gravel, or hardpack dirt, the S-Works Pathfinder delivers the speed you want with the traction you need. - GRIPTON T5/T7 dual compound for rolling fast and grip when you need it. - GRID RACE with Blackbelt construction for minimal weight, supple ride and protection.

The Surly Truck Stop Handlebar combines the benefits of a drop bar with those of a riser bar. Offering a variety of hand positions for comfort over the long haul, it also features 30mm of rise for a more upright and relaxed riding position. With a clean aesthetic, it’s a great option for taller riders looking for more rise and for bikes with a low-cut steer tube. - Lightweight, aluminum construction - Available in various widths - 31.8mm clamp diameter

The Air-Liner Light is an ultra-fast and light-weight tire insert intended for the performance rider or anyone looking to improve the reliability and performance attributes of their ride. - The Air-liner Light lives by it’s namesake coming in at a scant 55g each and will go unnoticed to even the most finicky XC racer, with no loss in the benefits of using a liner - Improved grip at lower pressure with greater tire stability - Lowered risk of tire burping and the upside of run flat make this the leader in performance tire inserts

- Double bag, of water-repellent polyester - Closing with buckles - Topside with two bands for LED/straps/child’s seat/spring clamp - Double reflective stripes on all sides - Integrated mounting system

Riding is for everyone, so we created the Camber to provide a dialed fit for rippers of all sizes, from kids on up. The Camber comes equipped with all the comfort, style, and ventilation to make every ride a joyride. Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older. - Camber earned the highest 5-Star Virginia Tech® Helmet Rating™ from internationally renowned Virginia Polytechnic Institute and State University. - The MIPS system is a low-friction layer that allows a sliding motion of 10 to 15mm in all directions. Studies indicate that this reduces some of the rotational forces transmitted to the brain during angled impacts. - With x-small to x-large options spread across five unique shell sizes, the Camber eliminates excess bulk to deliver a comfortable and streamlined fit to a full range of riders. - Easily-adjustable, one-size Headset SX fit system with adjustable Tri-Fix web splitters delivers an easy and accurate fit. - 4th Dimension Cooling System optimizes ventilation. - In-molded shell improves strength and reduces weight. - This helmet is ANGi ready, with a fit system mount designed for easy integration with our ANGi crash sensor. - Average weight: 370 grams (medium).

Rail Race takes the iconic Rail sunglasses to new heights, specifically tailored for cycling and baseball enthusiasts. Building upon the success of the original Rail, Rail Race is a 2-lens interchange model that combines style and performance to elevate your outdoor experience.

These chainrings are for Shimano GRX cranks. They feature our patented Drop-Stop® design for the best wear life, chain retention, and mud clearance. Drop-Stop ST is specifically for the Shimano 12-speed Hyperglide+ chain, which is used by GRX 12-speed. Drop Stop-B works with all other 9, 10, 11, and 12-spd chains, including SRAM Flattop. Compatibility: - Shimano GRX cranksets including RX600 and RX810 - Drop-Stop ST is designed for Shimano 12-speed Hyperglide+ chains - Drop-Stop B tooth profile is compatible with SRAM Flattop chain - Wolf Tooth’s patented Drop-Stop wide/narrow tooth profile provides the ultimate chain retention and mud-shedding ability - Use Drop-Stop B for all SRAM Eagle, SRAM Road and Transmission (T-Type) Flattop chains, 9, 10, and 11spd chains or 12spd KMC, Connex, Wippermann, Campagnolo. DROP-STOP B Compatible 9, 10, 11, and 12spd SRAM Eagle, 12spd SRAM Transmission (T-type) Flattop, 12spd Campy, 12spd KMC Not compatible with 12spd Shimano HG+ chains

The strongest system is a chain with no weak links. Eagle chain links have a smooth radius with no sharp edges or chamfers, which yield a significant reduction in noise, friction, and wear. This design also allows for a flatter plate for more consistent chain riveting and greater overall strength. It's also the biggest contributor to the ultra-smooth, precise, durable, and quiet performance found in the 10-50T cassette and X-SYNC 2 chainrings. Additionally, installation is made easy with a dedicated 12-speed Eagle quick link. - Groundbreaking new chain design and technology - The Eagle chain has been completely re-engineered and is produced with new manufacturing technology. - All-new Eagle Power Lock chain connector with FLOWLINK technology provides better chain-guiding and increased longevity - The Eagle chain is the quietest, strongest, and most wear-resistant chain in the world - Unique features and design also provide significantly improved wear resistance on Eagle cassettes and rings

• Steel construction on all but the largest aluminum gear • Nickel-plated finish for corrosion and wear resistance • Dyna-sys 11-speed cassette with "Rhythm step" gearing for closer gear ratios and smoother shifting performance • Fits Dyna-sys 11-speed and current Shimano 9/10-Speed MTB hubs • The largest cog (40t) is positioned inboard and above the drive-side flange • Hubs with tall drive-side flanges may not be compatible due to spoke interference

• 11-speed DynaSys compatible • Light Shift Operation With 20% Less Effort • Improved chain stability • Efficient Shifting And Smoother Driving • New Shadow Design With Optimized Slant Angle • New Shift Cable With New Hyper Low-Friction Coating Technology • New Shadow Design With Optimized Slant Angle For Stable Gear Position • Easy-To-Adjust Chain Stabilizer • Efficient Pulley Teeth Design • Direct Mount compatible

The KEO 2 MAX pedal is an excellent example of LOOK's design experience. With its wide contact area and composite body, it offers state-of-the-art technology for full power transfer, in an affordable package. - Technology: Spring - Cleats: Keo Grip - Retention: 8 to 12 - Body: Composite - Spindle: Chromoly+ - Platform material: Stainless Steel - Platform area: 500mm² - Platform width: 50mm - Q Factor: 53mm - Stack height + cleats: 17.3mm (11 + 6.3mm) - Weight (pedal): 130g - Weight (pair + cleats): 328g

Most of you don’t need the cargo capacity to land a helicopter on your rack. Sometimes, all you want to do is grab a sixer from the beer store on the way home or pick up a nice bouquet of flowers. For whatever the situation dictates, we offer the 8-Pack Rack. The 8-Pack Rack is a solid pedestal upon which you may rest a handlebar bag, grocery bag, minaudière, satchel…or whatever you use to carry your bowling ball around. The 8-Pack Rack attaches to most forks with mid-blade and crown eyelets. It uses stainless steel hardware (handily housed in a reusable Surly Tool Bag), and has the characteristic durability, versatility, and repairability all Surly products are known for. The 8-Pack Rack has lots of barrel braze-ons, so you can customize your cargo tie-downs…or just bolt on as many lights as you can. Rack Specifications: Color: Black or silver Weight Limit: 13.6kg (30lb) Finish: ED Coating + Powdercoat Rack Material: Tubular 4130 Chromoly Platform Dimensions: 270mm x 160mm

We believe in raising kids who excel at life and always have the courage to tackle whatever comes next. That’s why the Strider 12 Sport Balance Bike has become the ultimate vehicle for kids as young as 18 months. Your tiny-legged toddler is ready to ride, thirsting for freedom, and craving adventure. Give your child the bike that set the world on fire and encourages them to experience the thrill of riding while developing confidence and coordination…before they’re even out of diapers. The Sport is our best all-around model. Mini-grips mean little mitts can easily take control and make this lean, mean, durable bike the biggest bang for your buck, which is probably why it’s our best seller. The 12 Sport is the perfect bike to take your child from baby steps to big strides, all without busting out a toolkit (tool-free seat and handlebar adjustment AND tires that never go flat). The Strider Sport has a seat height range from 28-48 cm (11-19 in.), which means it fits a huge range of inseam lengths (30-51 cm [12-20 in.]). The cushy, padded seat and an additional extra-long seatpost means your child will get years out of their Strider. Boring specs aside, this is the bike that introduces kids to the freedom, power, and responsibility of riding. Now they have the power to keep up with you when you’re out and about. No more strollers. No more of those ridiculous kid leashes. Your child can experience the truly amazing freedom that comes with being a part of the Strider family. Size & Fit - For Ages 18 months to 5 Years - Fits inseam lengths (30-51 cm [12-20 in.]). - Max. Rider Weight: 27 kg (60 lbs.) FRAME Steel Frame Assembled Weight: 3.0 kg (6.7 lbs.) No-Tool Assembly Fully Adjustable with Easy-Adjust Clamps HANDLEBAR Handlebar Height: 46 - 56 cm (18 - 22 in.) Mini-Grip Handlebar with Safety Pad SEAT Seat Height: 28 - 48 cm (11 - 19 in.) Includes One, Ergonomically-Padded Seat Includes Standard and XL Seatposts WHEELS Ultralight Molded Wheels with Maintenance-Free Sealed Cartridge Bearings and Flat-Free Foam Rubber 12” Tires FOOTREST Built-In Footrests

Stay cool, covered and highly visible with this stylish urban helmet. The Central Lit uses Composite Fusion™ and comes with plentiful venting, integrated visor, and micro USB rechargeable flashing rear light. Micro USB sold separately. - Composite Fusion - Front & Rear Flashing USB Lights - Anti-Microbial Pads - Recycled EPS - Locking Sliders - FidLock Magnetic Buckle - Dial Fit System - WEIGHT: 346 g / 12.2 oz - CERTIFICATION: CPSC, EN 1078