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Your Search: "o2 "

$215.00
Ragnarök BOA® boots are perfect for the hard-to-predict weather of late fall and early spring. Built to block cold and moisture, these lightweight cycling boots feature a 25ºF+ (-4ºC+) comfort range to keep feet warm and dry through the chill of late autumn and early spring rides. - Free cleat plates for flat-pedal use are available upon request. Please contact brand support at info@45nrth.com - Rated for 25ºF+ (-4ºC+) comfort - Waterproof breathable membrane to manage moisture - Neoprene ankle cuff to keep out moisture and road grit - The BOA® Fit System delivers micro-adjustable, precision fit engineered to perform in the toughest conditions - Real-rubber outsole with added grip for slippery surfaces - 2-bolt cleat mount ANTI-SLIP MICROGLASS RUBBER A rubber compound electrostatically aligned with microscopic glass fibers to create abrasive protruding shards, increasing friction on slippery surfaces such as ice, wet wood, wet linoleum, and wet metal found on many stairs and floors. WATERPROOF-BREATHABLE MEMBRANE An ultra-thin sheet of microporous material behind our textile shells keeps you dry and warm in the harshest weather conditions. Our waterproof, breathable membranes stop liquid from the outside, but release vapor from the inside for thermal and moisture regulation. BOA CLOSURE Micro-adjustable BOA closure for perfectly dialed fit. LOW CUT NEOPRENE ANKLE Secure closure provides warmth and protection from the elements.
$25.00
Our slickest, most simple CO2 inflator. Insert the CO2 cartridge into the inflator, and twist the cup. Presto you are ready to inflate! *This inflator works with both threaded and non-threaded 16g cartridges. - Durable CNC alloy valve head is constructed to last a lifetime - Accepts both Presta and Schrader valves automatically - Cupped inflator design keeps your hand from freezing as the CO2 canister discharges - Soft touch finish provides better grip when twisting the barrel - 55 grams
$169.99 $199.99 15% Off
A balance bike is your child’s first big step into the world of cycling. The 12” CYCLE Kids balance bike is tailored specifically for your little one. At only 10.10 pounds, this lightweight aluminum bike is sized for a child’s dimensions. Featuring a tool-free adjustable height saddle and reliable linear-pull braking system. Our custom-designed frame geometry ensures that your child will be comfortable and in a proper riding position while they ride the day away. The perfect start to an amazing cycling journey!
$132.00 $160.00 18% Off
The Trailcross Clip-In is the latest addition to the Five Ten Trailcross family, designed from the ground up with adventure at its core. Packed with all the Trailcross technology, this latest model provides clip-in performance on the bike and all-day comfort when hiking off the bike. The addition of the Clip-In model takes the range to the next level, making our award-winning design available to clip-in pedal users for the first time. The Trailcross range was built from the ground up, starting with the Five Ten dotted outsole with the addition of a recessed cleat to clip into compatible pedals. This was then refined with hiking in mind, bringing the additional ridged grip to the toe and heel. The Trailcross Clip-In is a lightweight and breathable shoe. With the need for the shoe to provide all-day comfort but also deliver across the contact points on and off the bike, the mid-sole EVA technology provides the necessary toe flex for hiking, without losing the all-important stiffness. The Trailcross Clip-In utilizes a hook and loop closure for added security and to reduce heel lift. Clip-in pedal users no longer need to compromise when planning their next adventure. - Lace & velcro closure - Breathable mesh - RPU overlays - Impact resistant toe box - Lightweight eva w/ hike a bike last - Stealth marathon
$180.00
The all-new Union Clipless Shoes are set to take your mountain bike adventures to new and sendier levels of "yew!" Built with robust features including a molded cap design to protect against rock strikes, the Union mountain bike shoes handles the rigors of trail abuse with ease. With a lightweight and precise fit, the low-profile, custom-tuned midsole ratchets up your pedal grip and feel, giving you more comfort while you shred. Power to the pedal is optimized care of the molded internal stiffening plate, but it's not stiffness at the expense of off-bike comfort. Should you have to hike-a-bike around that downed tree, you're all good. The sole is designed using the Ultratac™ rubber compound, with the engineered tread pattern providing best-in-class grip and durability, while the 2-bolt cleat system is compatible with most major clipless pedal suppliers. Versatile and with understated style, Union Clipless MTB Shoes were born to rip, transitioning from sweet single track to your post-ride tailgate brews with ease. - Clipless mountain bike shoes - Low-profile Velcro strap and lace system - Ultratac™ outsole balances grip and durability - Low-profile Velcro strap and lace system - Reinforced toe for protection against rock strikes
$1,320.00
This 26-inch junior mountain bike is the ideal multi terrain bicycle for off-road cycling and suitable for 13+ year-olds with a minimum inside leg measure of 72cm. Wheel: 26-inch - Lightweight but sturdy frame - Frog Bikes junior-specific 26" - Air suspension fork with lockout and damping control - Lightweight oversize handlebar and stem - Easy-reach junior specific hydraulic brakes - Shimano rapid-fire 9 speed shift lever - Patented Frog cranks for easier pedaling - Quick release seat post for easy height adjustment - Kenda MTB tires
$22.00
Easy to use, easy to control and affordable. The Mircoflate Nano gives you the best bang for your buck when it comes to quality and ease of use. Simply thread on your favorite CO2 cartridge, twist the cartridge off slightly to engage inflation and tighten it back on to shut it off. Petite power! - Compact and nearly indestructible - Easy to use and fully controllable - Patented twist-to-inflate technology - Press on to both Schrader and Presta valves - Compatible with 16 gram, 20 gram and 25 gram threaded CO2 cartridges Product includes: (1) Microflate Nano inflator head (1) threaded 20 gram CO2 cartridge
$30.00
Genuine Innovations' AirChuck Elite offers Push-To-Inflate technology for fast, easy & controllable single-handed CO2 bicycle tire inflation! • Cartridge compatibility: 12, 16, 20, 25 gram threaded CO2 cartridges & Big Air! (not 45-gram cartridges) (each sold separately) • All metal aluminum design • Easy to use and fully controllable • Push-to-Inflate technology • Works with both Presta and Schrader valves • Includes one 16 gram and one 20 gram threaded CO2 cartridge • Weight: 16 grams
$90.00
Rugged sole meets athletic spirit. The Gauge mountain bike shoes feature a lugged rubber outsole for traction with a stout injected-nylon inner shank to help transfer your power, so you can tame the trail. It combines cycling-specific features like clipless pedal compatibility and supportive fit, with the reliable grip of an aggressively lugged rubber outsole and the feel of a trail running shoe. With an upper made from supple synthetic fiber and breathable mesh, and a stout injected-nylon inner shank to help transfer your power to the pedals, it's a capable cycling shoe that gives you the confidence to take on any trail. Specs: - Upper Construction: Synchwire one-piece composite upper; Rockprint reinforced toe for abrasion resistance and durability; Synthetic heel overlay resists abrasion - Footbed: Die-cut EVA footbed - Outsole: Two-color rubber outsole, aggressive tread design - Weight: 405g (Size 43)
$90.00
Rugged sole meets athletic spirit. The Gauge mountain bike shoes feature a lugged rubber outsole for traction with a stout injected-nylon inner shank to help transfer your power, so you can tame the trail. The Women's Gauge is an athletic approach to mountain bike footwear, made to inspire confidence for everything from spirited trail riding to soulful bikepacking adventures. It combines cycling-specific features like clipless pedal compatibility and supportive fit, with reliable grip of an aggressively lugged rubber outsole and the feel of a trail running shoe. With an upper made from supple synthetic fiber and breathable mesh, and a stout injected-nylon inner shank to help transfer your power to the pedals, it's a capable cycling shoe that gives you the confidence to take on any trail. Specs: - Upper Construction: Synchwire one-piece composite upper; Rockprint reinforced toe for abrasion resistance and durability; Synthetic heel overlay resists abrasion - Footbed: Die-cut EVA footbed - Outsole: Two-color rubber outsole, aggressive tread design - Weight: 396g (Size 39)
$180.00
With pedal power, a sticky rubber outsole, and an easy Boa and forefoot strap closure system, you can head out wherever the trail takes you in the Ventana Mountain Bike Shoe. This shoe is built around a stout nylon shank proven on the DH World Cup circuit to power the pedals efficiently and combined with an injected EVA cushioning midsole plus our exclusive Sensor rubber outsole that inspires confidence when scrambling over rocks and logs. The fit is secure and supportive thanks to a Boa micro-adjustable buckle and forefoot strap closure, while a reinforced heel and toe box offer protection from scrapes and impacts. - One-piece Synchwire upper design with PU bonded mesh - Rubber reinforced heel and toe sections - Boa l6 dial featuring 1 mm adjustment and macro release, with steel lace and soft lace guides - Velcro forefoot strap - Injected EVA cushioning midsole - Sensor rubber compound engineered for durability and grip - Stainless steel hardware - Molded EVA footbed with medium arch support - 417 grams (size 42.5)
$180.00
With pedal power, a sticky rubber outsole, and an easy Boa and forefoot strap closure system, you can head out wherever the trail takes you in the Women's Ventana Mountain Bike Shoe. This shoe is built around a stout nylon shank, proven on the DH World Cup circuit to power the pedals efficiently, and is combined with an injected EVA cushioning midsole plus our exclusive Sensor rubber outsole that inspires confidence when scrambling over rocks and logs. The fit is secure and supportive thanks to a Boa micro-adjustable buckle and forefoot strap closure, while a reinforced heel and toe box offer protection from scrapes and impacts. - One-piece Synchwire upper design with PU bonded mesh - Rubber reinforced heel and toe sections - Boa L6 dial featuring 1mm adjustment and macro release, with steel lace and soft lace guides - Velcro forefoot strap - Injected EVA cushioning midsole - Sensor rubber compound engineered for durability and grip - Stainless steel hardware - Molded EVA footbed with medium arch support - 408 grams (size 39)
$240.00
Great for riding on the course or off the beaten track, the Sector mountain bike shoe is ready to power up for adventures. Race-ready. Adventure inspired. The Sector combines a supple, breathable Synchwire upper with a stout carbon-composite plate and an aggressive, dual-injected rubber outsole for excellent traction that won't de-laminate or break down. A supportive 3D molded footbed with Aegis anti-microbial treatment enhances comfort and fit, which is adjustable via dual BOA L6 dials featuring 1mm adjustment and macro release. It's a great choice for riders looking for inspired performance that's capable on the course or off the beaten track. - One-piece Synchwire upper with thermo-bonded exo-structure - Reinforced heel and toe sections - Dual Boa L6 dial featuring 1mm adjustment and macro release, with steel lace and soft lace guides - 3D molded footbed with medium arch support - Carbon-composite 2-bolt plate with dual-injected rubber outsole - Stainless steel hardware - 342 grams (size 42)
$27.99
Lezyne's easy-to-use Alloy Drive CO2 is super-compact and portable. Its simple twist operation lets you control exactly how much CO2 you're putting into your tires. Plus, its aluminum construction is lightweight, durable and easy on the eyes. What's more, the Alloy Drive is Presta/Schrader compatible, comes with an anti-freeze sleeve, and works with all threaded cartridges. - CNC-machined aluminum dispenser with brass internals - CNC control knob twists for easy and controlled inflation - Twin Slip Chuck head presses on to Presta and Schrader valves - Neoprene sleeve insulates hand from cold during discharge - Compatible with threaded CO2 cartridges (sold separately)
$29.99
Lezyne's easy-to-use Alloy Drive CO2 is super compact and portable. Its simple twist operation lets you control exactly how much CO2 you're putting into your tires. Plus, its aluminum construction is lightweight, durable and easy on the eyes. What's more, the Alloy Drive is Presta/Schrader compatible, comes with an anti-freeze sleeve, and works with 16g threaded cartridges. - CNC machined aluminum dispenser with brass internals - CNC control knob twists for easy and controlled inflation - Twin Slip Chuck head presses on to Presta and Schrader valves - Neoprene sleeve insulates hand from cold during discharge - Compatible with threaded CO2 cartridges - Comes with one 16g cartridge
$54.99
Innovative 2-in-1 cycling CO2 dispenser and tubeless tire repair kit simultaneously inflates and seals tubeless tires. Machined aluminum construction is both lightweight and highly durable. Hardened steel reamer scours hole, inserts plug, and inflates tire for an efficient and rapid repair. CNC-machined twist knob manually controls release of CO2 gas. Aluminum canister holds the five included tire plugs and safely stores the reamer when not in use. High-quality tire plugs aggressively seal holes that are too large to be sealed by sealant alone (hole size varies from tire to tire). Sleek, compact design fits in a pocket or straps to your bike. Note: Sealing performance may vary based on puncture size, tire size, and tire pressure. - Compact tubeless tire repair kit. - Machined aluminum storage tube doubles as a handle. - Combined tire reamer and insertion tool. - Includes five tire plugs. - Includes 2 x 20g CO2 Cartridge and Velcro Strap.
$29.99
Lightweight and easy to use, MSW’s Jetstream adjustable inflator head works with all 3/8" threaded inflation canisters and allows you to vary the CO2 flow to avoid overfilling your tires. - Adjustable airflow with a convenient shut-off feature - Easily pushes onto Presta or threads onto Schrader valve tubes - Knurled knob for reliable grip even with mittens or gloves - Kit comes with two 20g cartridges
$11.99
These compact, threaded 16-gram cartridges work with compatible CO2 inflators and easily packs into your seat bag.
$100.00
Performance XC MTB shoe with Shimano quality and design. FEATURES - Perforated synthetic leather composite upper enables superior fit and breathability. - Three durable hook & loop straps evenly spread tightening force across the top of the foot. - Offset strap relieves tension at highest point of the foot. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Lightweight glass fiber reinforced nylon sole for power transfer. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip.
$100.00
Performance XC MTB shoe with Shimano quality and design. FEATURES - Perforated synthetic leather composite upper enables superior fit and breathability. - Three durable hook & loop straps evenly spread tightening force across the top of the foot. - Offset strap relieves tension at highest point of the foot. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Lightweight glass fiber reinforced nylon sole for power transfer. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip.
$125.00
High-performance XC MTB racing shoe with advanced fit and pedaling technologies. FEATURES - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Off-set center flap mounted BOA L6 dial creates a sleeker profile with quick adjustments. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip. - Low stack height midsole stabilizes foot and maximizes power transfer efficiency. - Perforated synthetic leather composite upper enables superior fit and breathability. - Lightweight glass fiber reinforced nylon sole for power transfer.
$125.00
Details: High-performance XC MTB racing shoe with advanced fit and pedaling technologies. FEATURES - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Off-set center flap mounted BOA L6 dial creates a sleeker profile with quick adjustments. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip. - Low stack height midsole stabilizes foot and maximizes power transfer efficiency. - Perforated synthetic leather composite upper enables superior fit and breathability. - Lightweight glass fiber reinforced nylon sole for power transfer.
$125.00
High-performance XC MTB racing shoe with advanced fit and pedaling technologies. FEATURES - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Off-set center flap mounted BOA L6 dial creates a sleeker profile with quick adjustments. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip. - Low stack height midsole stabilizes foot and maximizes power transfer efficiency. - Perforated synthetic leather composite upper enables superior fit and breathability. - Lightweight glass fiber reinforced nylon sole for power transfer.
$125.00
High-performance XC MTB racing shoe with advanced fit and pedaling technologies. FEATURES - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Off-set center flap mounted BOA L6 dial creates a sleeker profile with quick adjustments. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip. - Low stack height midsole stabilizes foot and maximizes power transfer efficiency. - Perforated synthetic leather composite upper enables superior fit and breathability. - Lightweight glass fiber reinforced nylon sole for power transfer.
$175.00
STYLISH AND VERSATILE XC SHOES DELIVER HIGH PERFORMANCE TO MORE RIDERS. FEATURES - Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts. - Mesh/TPU and Synthetic leather material covered upper in optimized part to provides comfortable fit and light weight. - BOA® L6 dial on instep strap quickly and comfortably secures a wide range of foot shapes. - Glass fiber reinforced midsole for power transfer. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.
$175.00
STYLISH AND VERSATILE XC SHOES DELIVER HIGH PERFORMANCE TO MORE RIDERS. FEATURES - Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts. - Mesh/TPU and Synthetic leather material covered upper in optimized part to provides comfortable fit and light weight. - BOA® L6 dial on instep strap quickly and comfortably secures a wide range of foot shapes. - Glass fiber reinforced midsole for power transfer. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.
$175.00
STYLISH AND VERSATILE WOMEN'S XC SHOES DELIVER HIGH PERFORMANCE TO MORE RIDERS. FEATURES - Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts. - Mesh/TPU and Synthetic leather material covered upper in optimized part to provides comfortable fit and light weight. - BOA® L6 dial on instep strap quickly and comfortably secures a wide range of foot shapes. - Glass fiber reinforced midsole for power transfer. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Women’s specific last for a natural, comfortable fit. - Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.
$180.00
GRAVEL SHOES WITH OPTIMALLY BALANCED STIFFNESS AND WALKABILITY. FEATURES: - Carbon-reinforced sole provides race-level rigidity for enduring pedaling performance on day-long rides. - Wide outsole pattern with TPU lugs for optimal on- and off-the-bike comfort and performance. - Lightweight gravel-race-inspired outsole. - Surround wrapping upper pattern balances holding power and comfort. - BOA L6K dial allows quick and precise micro-adjustment. - System engineered with SPD pedals for maximum pedaling efficiency and stability.
$180.00
When it’s time to update the flagship XTR pedals, we look at every detail under a microscope. Off-road racing demands speed, focus, and control. And that’s exactly what the PD-M9100 delivers. Increased drivetrain efficiency, an intuitive and seamless interface, and predictable steering and traction control are the benchmarks of the M9100 series pedals. The M9100 are the weapon of choice for WC racers worldwide. BETTER MUD CLEARANCE - Cylindrical contact area sheds mud even better for consistent stepping-in & out performance and rider confidence. ADDED EFFICIENCY + DURABILITY - Increased axle strength for long service life. M9100 comes in two axle lengths – 52 mm and 55 mm crank to pedal center. BETTER MUD CLEARANCE - Wider edge-to-edge contact area provides solid shoe-to-pedal interface, transmits power more efficiently for faster and more consistent acceleration, and better bike control.
$190.00
When it’s time to update the flagship XTR pedals, we look at every detail under a microscope. Off-road racing demands speed, focus, and control. And that’s exactly what the PD-M9120 delivers. Increased drivetrain efficiency, an intuitive and seamless interface, and predictable steering and traction control are the benchmarks of the M9100 series pedals. The M9120 are the weapon of choice for WC racers worldwide. BETTER MUD CLEARANCE - Cylindrical contact area sheds mud even better for consistent stepping-in & out performance and rider confidence. ADDED EFFICIENCY + DURABILITY - Increased axle strength for long service life. M9100 comes in two axle lengths – 52 mm and 55 mm crank to pedal center. LARGER CONTACT AREA - The M9120 platform is designed for maximum shoe-to-pedal contact area without extra weight or rotating mass. Cage protects the binding and makes step in easy. BETTER MUD CLEARANCE - Wider edge-to-edge contact area provides solid shoe-to-pedal interface, transmits power more efficiently for faster and more consistent acceleration, and better bike control.
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