Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Five Ten Kestrel Pro XC Clipless Boa MTB ShoesUnashamedly for hammering XC and aggressively fast mountain bike trails, the Five Ten Kestrel Pro XC Clipless Boa MTB Shoes offer a stiff sole for efficient pedalling and maximum high-speed fun. Whether it's the slight butterflies as you line up for an XC race start or the exciting anticipation of dropping into your favourite flow trail, the Kestrel Pro XC Clipless Boa MTB Shoes are ready to propel you forward with thrilling efficiency.A supple, durable and comfortable upper provides excellent comfort while abrasion-resistant overlays and reinforced toe box take on the rough and tumble demands of mountain biking. Stealth Marathon OutsoleThe Kestrel Pro XC feature Five Ten's stiffest midsole yet, offering the ultimate in trail-smashing efficiency. Hit a steep uphill pitch or accelerate hard out of a berm and you'll be propelled forward with no wasted effort. The clipless shank area makes it quick and easy to clip in and out of your pedals. And even if you can't immediately get clipped in, the super-sticky Stealth Marathon rubber patch just behind the pedal platform adds grip when not clipped in.BOA® Fit SystemEasy On-the-fly adjustment comes via the BOA® Fit System. A simple twist of the dial provides a locked-in and stable fit for your foot. The hook and loop straps provide complementary adjustment, making sure you enjoy maximum foot support when on the pedals. Cleat GuidanceThese shoes are compatible with MTB pedal systems, which use the 2-bolt cleat standard (SPD standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Marathon™ Non-marking rubber outsole balances grip and durabilityFive Ten's stiffest midsoleMicro-adjustable dial-based BOA® Fit SystemHook-and-loop straps for a locked-in feelSynthetic upper with abrasion-resistant seamless overlaysImpact-resistant toe boxNon-slip heel cupUpper features at least 50% recycled content2-bolt cleat compatible (cleats not supplied)Buy Five Ten Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Quarq DFOUR DUB Powermeter SpiderThis spider powermeter is developed to help you reach new goals and explore new roads, delivering accuracy, durability, and reliability on every training mile. The DFour DUB is designed specifically for Dura-Ace R9100 chainrings. Train using a Quarq power meter without changing your drivetrain. You are working hard, pushing yourself to new heights in some of the toughest conditions. Ride with confidence knowing that your power meter will not quit when you need it the most.Up To 200 Hours Ride TimeEnjoy up to 200 hours of ride time in any weather condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh climates do not hold you back, then you need a product capable of rising to the occasion. That is exactly what the DFour DUB power meter is made for.MagicZero Automatic CalibrationTrain harder, ride faster and unlock your ultimate potential. The DFour DUB power meter brings simplicity and ease of use to your training. With MagicZero automatic calibration, there is no need to worry about calibrating before you ride; just jump on your bike and go. DFour DUB features Bluetooth low energy and ANT+ wireless data transfer, delivering power output information directly to your cycling computer.Powermeter Spider with DUB TechnologyThe relationship between bottom bracket spindle and bearing is the core of DUB technology. It's where stiffness meets durability. Quarq took it a step beyond conventional thinking and made everything simpler—better integrating the relationship between chainring, crank, spindle and bottom bracket. It's this approach to developing a complete system that equals better drivetrain performance.Please note: Compatible bottom brackets, crank arms, chainrings are sold separately.Features: Use: Road Speed: 11 speed Bolt Circle Diameter (BCD): 110 BCD Bottom Bracket (BB) Compatibility: All SRAM Road DUB BBs (Bottom Brackets are available separately) BB Spindle Interface: DUB Chainring Compatibility: Dura-Ace R9100 chainrings Guard: No Guard Not Included: Bottom bracket, crank arms, chainrings are available separatelyTechnologies: Bluetooth low energy technology and ANT+ wireless data transfer. MagicZero - automatically checks and recalibrates your power meter as you ride - no need to manually calibrate. AxCad -- no cadence magnet required. 10K Temperature Compensation. Battery -- CR2032, 200-hour battery life, change without tools. OmniCal -- swap chainrings without affecting accuracy. 2-year manufacturer's warranty. IPX7 waterproof rating. Accuracy -- within 1.5%, measuring both legs.Manufacturer's Part Numbers: PMQ268002 Black No BB/C'Ring/Arm 110 BCDBuy Quarq Components from Chain Reaction Cycles, the World's Largest Online Bike Store.