EVERYTHING ABOUT THE SWITCHBLADE IS OPTIMIZED FOR THE DESCENT. THAT'S WHY IN ADDITION TO MANDATORY STANDARDS IT'S ALSO CERTIFIED TO ASTM-1952 DH WITH AND WITHOUT THE CHINBAR. The chinbar is easy to remove - just push the buttons under the chinbar rotate up and take off - and it's just as easy to reinstall. Another boast-worthy feature on the Switchblade Mips® is the Roc Loc Air DH fit system which has a bumper around the dial to prevent accidental adjustments if your helmet contacts your backpack or neck brace - all while keeping you cool. When the chinbar comes off Wind Tunnel cheek pad ventilation adds even more cooling power as you start to climb. Plus the full-cut style gives this helmet an aggressive look and provides ASTM certified coverage even when the chinbar is removed. When your ride is all about descending your helmet should be too and the Switchblade Mips is the only removable chinbar helmet that is truly built for the down. SPECS SAFETY REMOVABLE CHIN BAR CONSTRUCTION IN-MOLD CONSTRUCTION VISOR P.O.V. PLUS VISOR VENTILATION INTERNAL CHANNELING WIND TUNNEL CHEEK PAD VENTILATION FIT SYSTEM ROC LOC® AIR DH PRODUCT WEIGHT 975G (SIZE MEDIUM CPSC CE) ELECTRONICS COMPATIBILITY SPARE VISOR WITH CAMERA MOUNT CERTIFICATION COMPLIES WITH THE US CPSC SAFETY STANDARD FOR BICYCLE HELMET FOR PERSONS AGE 5 AND OLDER ASTM-1952-DH E.U.: CE EN1078 HIGHLIGHTS P.O.V.+ ADJUSTABLE VISOR REMOVABLE CHINBAR CHEEK PAD VENTILATION IONIC+ ANTI-MICROBIAL PADDING SPARE VISOR W/CAMERA MOUNT
Castelli Perfetto ROS 2 Convertible JacketIt's 2 cycling jackets in 1, a short-sleeve Gabba and long-sleeve Perfetto ROS. The Castelli Perfetto ROS 2 Convertible Jacket is the only jacket you need when facing changeable weather. If the weather has you in a quandary as to what's the best pick for your planned bike ride, the Perfetto ROS 2 Convertible Jacket makes your choice far easier. With sleeves that zip off just above the elbows, you have a long-sleeve Perfetto ROS 2 and a short sleeve Gabba in the one garment. Versatile Weather Protection. Whether it's cold or mild, sunny or wet, the Perfetto ROS 2 Convertible Jacket has you covered, more than living up to its ROS (Rain or Shine) name. Windproof and water-repellent Gore-Tex INFINIUM™ WINDSTOPPER® to the front provides the all-around performance to keep you comfortable. Meanwhile, a lighter-weight version of INFINIUM™ to the back regulates temperature and boosts breathability. With a soft brushed inner face, you'll enjoy excellent warmth and by changing your base layer you can adapt the Perfetto to almost any weather condition.Performance FeaturesPedalling hard into headwinds or tackling steep climbs, when you increase your effort levels, the side chest vents ensure you can keep cool air flowing. You'll also feel the benefits of the two-way YKK® Vislon® zipper, allowing perfect control of temperature regulation. Taped shoulders prevent water ingress in an area that faces the brunt of the weather. 3 rear pockets also make space for essentials and a place to stash sleeves mid-ride. And for rides that stretch deep into the dark of evening, reflective details keep you visible.Features:Materials: 100% PolyesterZips just above elbows to allow use as long- or short-sleeve jacketCastelli-exclusive GORE-TEX INFINIUM™ WINDSTOPPER® 205 Warm brushed water-resistant fabric on front-facing surfacesGORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch on rear-facing surfaces for greater stretch and breathabilityTaped shoulder seams for extra rain protectionTop- and bottom-opening YKK® Vislon® zipper for easy sliding, covered for additional wind and rain protectionZippered ventilation opening on side of chest3 rear pocketsReflective panel at bottom of pocketsWeight: 330gSuggested Temperature range: 4 to 16 degrees CBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.
Castelli Perfetto ROS 2 Convertible JacketIt's 2 cycling jackets in 1, a short-sleeve Gabba and long-sleeve Perfetto ROS. The Castelli Perfetto ROS 2 Convertible Jacket is the only jacket you need when facing changeable weather. If the weather has you in a quandary as to what's the best pick for your planned bike ride, the Perfetto ROS 2 Convertible Jacket makes your choice far easier. With sleeves that zip off just above the elbows, you have a long-sleeve Perfetto ROS 2 and a short sleeve Gabba in the one garment. Versatile Weather Protection. Whether it's cold or mild, sunny or wet, the Perfetto ROS 2 Convertible Jacket has you covered, more than living up to its ROS (Rain or Shine) name. Windproof and water-repellent Gore-Tex INFINIUM™ WINDSTOPPER® to the front provides the all-around performance to keep you comfortable. Meanwhile, a lighter-weight version of INFINIUM™ to the back regulates temperature and boosts breathability. With a soft brushed inner face, you'll enjoy excellent warmth and by changing your base layer you can adapt the Perfetto to almost any weather condition.Performance FeaturesPedalling hard into headwinds or tackling steep climbs, when you increase your effort levels, the side chest vents ensure you can keep cool air flowing. You'll also feel the benefits of the two-way YKK® Vislon® zipper, allowing perfect control of temperature regulation. Taped shoulders prevent water ingress in an area that faces the brunt of the weather. 3 rear pockets also make space for essentials and a place to stash sleeves mid-ride. And for rides that stretch deep into the dark of evening, reflective details keep you visible.Features:Materials: 100% PolyesterZips just above elbows to allow use as long- or short-sleeve jacketCastelli-exclusive GORE-TEX INFINIUM™ WINDSTOPPER® 205 Warm brushed water-resistant fabric on front-facing surfacesGORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch on rear-facing surfaces for greater stretch and breathabilityTaped shoulder seams for extra rain protectionTop- and bottom-opening YKK® Vislon® zipper for easy sliding, covered for additional wind and rain protectionZippered ventilation opening on side of chest3 rear pocketsReflective panel at bottom of pocketsWeight: 330gSuggested Temperature range: 4 to 16 degrees CBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.
Castelli Perfetto ROS 2 Convertible JacketIt's 2 cycling jackets in 1, a short-sleeve Gabba and long-sleeve Perfetto ROS. The Castelli Perfetto ROS 2 Convertible Jacket is the only jacket you need when facing changeable weather. If the weather has you in a quandary as to what's the best pick for your planned bike ride, the Perfetto ROS 2 Convertible Jacket makes your choice far easier. With sleeves that zip off just above the elbows, you have a long-sleeve Perfetto ROS 2 and a short sleeve Gabba in the one garment. Versatile Weather Protection. Whether it's cold or mild, sunny or wet, the Perfetto ROS 2 Convertible Jacket has you covered, more than living up to its ROS (Rain or Shine) name. Windproof and water-repellent Gore-Tex INFINIUM™ WINDSTOPPER® to the front provides the all-around performance to keep you comfortable. Meanwhile, a lighter-weight version of INFINIUM™ to the back regulates temperature and boosts breathability. With a soft brushed inner face, you'll enjoy excellent warmth and by changing your base layer you can adapt the Perfetto to almost any weather condition.Performance FeaturesPedalling hard into headwinds or tackling steep climbs, when you increase your effort levels, the side chest vents ensure you can keep cool air flowing. You'll also feel the benefits of the two-way YKK® Vislon® zipper, allowing perfect control of temperature regulation. Taped shoulders prevent water ingress in an area that faces the brunt of the weather. 3 rear pockets also make space for essentials and a place to stash sleeves mid-ride. And for rides that stretch deep into the dark of evening, reflective details keep you visible.Features:Materials: 100% PolyesterZips just above elbows to allow use as long- or short-sleeve jacketCastelli-exclusive GORE-TEX INFINIUM™ WINDSTOPPER® 205 Warm brushed water-resistant fabric on front-facing surfacesGORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch on rear-facing surfaces for greater stretch and breathabilityTaped shoulder seams for extra rain protectionTop- and bottom-opening YKK® Vislon® zipper for easy sliding, covered for additional wind and rain protectionZippered ventilation opening on side of chest3 rear pocketsReflective panel at bottom of pocketsWeight: 330gSuggested Temperature range: 4 to 16 degrees CBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.
Castelli Perfetto ROS 2 Convertible JacketIt's 2 cycling jackets in 1, a short-sleeve Gabba and long-sleeve Perfetto ROS. The Castelli Perfetto ROS 2 Convertible Jacket is the only jacket you need when facing changeable weather. If the weather has you in a quandary as to what's the best pick for your planned bike ride, the Perfetto ROS 2 Convertible Jacket makes your choice far easier. With sleeves that zip off just above the elbows, you have a long-sleeve Perfetto ROS 2 and a short sleeve Gabba in the one garment. Versatile Weather Protection. Whether it's cold or mild, sunny or wet, the Perfetto ROS 2 Convertible Jacket has you covered, more than living up to its ROS (Rain or Shine) name. Windproof and water-repellent Gore-Tex INFINIUM™ WINDSTOPPER® to the front provides the all-around performance to keep you comfortable. Meanwhile, a lighter-weight version of INFINIUM™ to the back regulates temperature and boosts breathability. With a soft brushed inner face, you'll enjoy excellent warmth and by changing your base layer you can adapt the Perfetto to almost any weather condition.Performance FeaturesPedalling hard into headwinds or tackling steep climbs, when you increase your effort levels, the side chest vents ensure you can keep cool air flowing. You'll also feel the benefits of the two-way YKK® Vislon® zipper, allowing perfect control of temperature regulation. Taped shoulders prevent water ingress in an area that faces the brunt of the weather. 3 rear pockets also make space for essentials and a place to stash sleeves mid-ride. And for rides that stretch deep into the dark of evening, reflective details keep you visible.Features:Materials: 100% PolyesterZips just above elbows to allow use as long- or short-sleeve jacketCastelli-exclusive GORE-TEX INFINIUM™ WINDSTOPPER® 205 Warm brushed water-resistant fabric on front-facing surfacesGORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch on rear-facing surfaces for greater stretch and breathabilityTaped shoulder seams for extra rain protectionTop- and bottom-opening YKK® Vislon® zipper for easy sliding, covered for additional wind and rain protectionZippered ventilation opening on side of chest3 rear pocketsReflective panel at bottom of pocketsWeight: 330gSuggested Temperature range: 4 to 16 degrees CBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.
Castelli Perfetto ROS 2 Convertible JacketIt's 2 cycling jackets in 1, a short-sleeve Gabba and long-sleeve Perfetto ROS. The Castelli Perfetto ROS 2 Convertible Jacket is the only jacket you need when facing changeable weather. If the weather has you in a quandary as to what's the best pick for your planned bike ride, the Perfetto ROS 2 Convertible Jacket makes your choice far easier. With sleeves that zip off just above the elbows, you have a long-sleeve Perfetto ROS 2 and a short sleeve Gabba in the one garment. Versatile Weather Protection. Whether it's cold or mild, sunny or wet, the Perfetto ROS 2 Convertible Jacket has you covered, more than living up to its ROS (Rain or Shine) name. Windproof and water-repellent Gore-Tex INFINIUM™ WINDSTOPPER® to the front provides the all-around performance to keep you comfortable. Meanwhile, a lighter-weight version of INFINIUM™ to the back regulates temperature and boosts breathability. With a soft brushed inner face, you'll enjoy excellent warmth and by changing your base layer you can adapt the Perfetto to almost any weather condition.Performance FeaturesPedalling hard into headwinds or tackling steep climbs, when you increase your effort levels, the side chest vents ensure you can keep cool air flowing. You'll also feel the benefits of the two-way YKK® Vislon® zipper, allowing perfect control of temperature regulation. Taped shoulders prevent water ingress in an area that faces the brunt of the weather. 3 rear pockets also make space for essentials and a place to stash sleeves mid-ride. And for rides that stretch deep into the dark of evening, reflective details keep you visible.Features:Materials: 100% PolyesterZips just above elbows to allow use as long- or short-sleeve jacketCastelli-exclusive GORE-TEX INFINIUM™ WINDSTOPPER® 205 Warm brushed water-resistant fabric on front-facing surfacesGORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch on rear-facing surfaces for greater stretch and breathabilityTaped shoulder seams for extra rain protectionTop- and bottom-opening YKK® Vislon® zipper for easy sliding, covered for additional wind and rain protectionZippered ventilation opening on side of chest3 rear pocketsReflective panel at bottom of pocketsWeight: 330gSuggested Temperature range: 4 to 16 degrees CBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.
Castelli Perfetto ROS 2 Convertible JacketIt's 2 cycling jackets in 1, a short-sleeve Gabba and long-sleeve Perfetto ROS. The Castelli Perfetto ROS 2 Convertible Jacket is the only jacket you need when facing changeable weather. If the weather has you in a quandary as to what's the best pick for your planned bike ride, the Perfetto ROS 2 Convertible Jacket makes your choice far easier. With sleeves that zip off just above the elbows, you have a long-sleeve Perfetto ROS 2 and a short sleeve Gabba in the one garment. Versatile Weather Protection. Whether it's cold or mild, sunny or wet, the Perfetto ROS 2 Convertible Jacket has you covered, more than living up to its ROS (Rain or Shine) name. Windproof and water-repellent Gore-Tex INFINIUM™ WINDSTOPPER® to the front provides the all-around performance to keep you comfortable. Meanwhile, a lighter-weight version of INFINIUM™ to the back regulates temperature and boosts breathability. With a soft brushed inner face, you'll enjoy excellent warmth and by changing your base layer you can adapt the Perfetto to almost any weather condition.Performance FeaturesPedalling hard into headwinds or tackling steep climbs, when you increase your effort levels, the side chest vents ensure you can keep cool air flowing. You'll also feel the benefits of the two-way YKK® Vislon® zipper, allowing perfect control of temperature regulation. Taped shoulders prevent water ingress in an area that faces the brunt of the weather. 3 rear pockets also make space for essentials and a place to stash sleeves mid-ride. And for rides that stretch deep into the dark of evening, reflective details keep you visible.Features:Materials: 100% PolyesterZips just above elbows to allow use as long- or short-sleeve jacketCastelli-exclusive GORE-TEX INFINIUM™ WINDSTOPPER® 205 Warm brushed water-resistant fabric on front-facing surfacesGORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch on rear-facing surfaces for greater stretch and breathabilityTaped shoulder seams for extra rain protectionTop- and bottom-opening YKK® Vislon® zipper for easy sliding, covered for additional wind and rain protectionZippered ventilation opening on side of chest3 rear pocketsReflective panel at bottom of pocketsWeight: 330gSuggested Temperature range: 4 to 16 degrees CBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.
Castelli Perfetto ROS 2 Convertible JacketIt's 2 cycling jackets in 1, a short-sleeve Gabba and long-sleeve Perfetto ROS. The Castelli Perfetto ROS 2 Convertible Jacket is the only jacket you need when facing changeable weather. If the weather has you in a quandary as to what's the best pick for your planned bike ride, the Perfetto ROS 2 Convertible Jacket makes your choice far easier. With sleeves that zip off just above the elbows, you have a long-sleeve Perfetto ROS 2 and a short sleeve Gabba in the one garment. Versatile Weather Protection. Whether it's cold or mild, sunny or wet, the Perfetto ROS 2 Convertible Jacket has you covered, more than living up to its ROS (Rain or Shine) name. Windproof and water-repellent Gore-Tex INFINIUM™ WINDSTOPPER® to the front provides the all-around performance to keep you comfortable. Meanwhile, a lighter-weight version of INFINIUM™ to the back regulates temperature and boosts breathability. With a soft brushed inner face, you'll enjoy excellent warmth and by changing your base layer you can adapt the Perfetto to almost any weather condition.Performance FeaturesPedalling hard into headwinds or tackling steep climbs, when you increase your effort levels, the side chest vents ensure you can keep cool air flowing. You'll also feel the benefits of the two-way YKK® Vislon® zipper, allowing perfect control of temperature regulation. Taped shoulders prevent water ingress in an area that faces the brunt of the weather. 3 rear pockets also make space for essentials and a place to stash sleeves mid-ride. And for rides that stretch deep into the dark of evening, reflective details keep you visible.Features:Materials: 100% PolyesterZips just above elbows to allow use as long- or short-sleeve jacketCastelli-exclusive GORE-TEX INFINIUM™ WINDSTOPPER® 205 Warm brushed water-resistant fabric on front-facing surfacesGORE-TEX INFINIUM™ WINDSTOPPER® 203 Stretch on rear-facing surfaces for greater stretch and breathabilityTaped shoulder seams for extra rain protectionTop- and bottom-opening YKK® Vislon® zipper for easy sliding, covered for additional wind and rain protectionZippered ventilation opening on side of chest3 rear pocketsReflective panel at bottom of pocketsWeight: 330gSuggested Temperature range: 4 to 16 degrees CBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.
Garmin's Edge 530 takes all the features of the popular 520 and adds in a sleek new design and additional features to create a great value GPS Enabled Cycle Computer that will always have your back.Built-in advanced navigation with TrailForks and challenges Sensor compatibility helps you monitor and boost your performance and recoveryRide confidently thanks to the built-in safety featuresFully customisable with Garmin s Connect IQ store to suit your needsCompact and lightweight design won t weigh you downWith a bright 2.6 colour screen and compact 50 x 82 x 20mm dimensions, the Edge 530 weighs just 75.8g, while the rechargeable lithium-ion battery provides up to 20 hours of battery life. The Edge 530 is also waterproof rated to IPX7 standards, so you can be sure it can withstand a good drenching.The Edge 530 is preloaded with the Garmin Cycle Map, including turn-by-turn directions and navigation alerts that notify you of upcoming turns. To help you ride like a local, popularity routing chooses from the roads and trails most travelled by fellow cyclists. Edge 530 is smart enough to guide you back to the route or back to start if you deviate from it or decide to head home early. With route calculation speeds 2 times faster than previous models, you'll spend more time riding, not waiting around.The Edge 530 takes data collection to the next level; not only does it record your data, it provides dynamic performance insights to help you beat your best. It can help you stay hydrated better, telling you when to drink and eat to maximise your performance. The Edge 530 also features a range of sport-specific enhancements, like the MTB-focused Grit and Flow features, which rate the difficulty of your ride using GPS, elevation and accelerometer data and measures how smoothly you descend a trail. This gives you a target to beat on your next ride and is great for a bit of friendly competition with your riding buddies. The Edge 530 also features a new ClimbPro feature which automatically shows you the remaining ascent and gradient when you're climbing; helpful when you need to pace yourself up a long climb.Like other models in the Garmin range, the Edge 530 has been designed to create a safer riding environment with smartphone compatible features like rider-to-rider messaging. This is a great way for you to stay in contact with your fellow riders without needing to reach for your phone. It allows you to send prewritten messages and let them know if you ll catch them or to go on without you. You can also send prewritten replies to texts or missed calls. The unit can also be paired with LiveTrack and GroupTrack to let friends, family and fellow riders keep track of your location in real time.Another great safety feature is incident detection which can manually or automatically send your location to your emergency contacts in the event of an unexpected mishap. It s also compatible with Varia cycling awareness accessories, including Varia rearview radar and Varia smart bike lights. Compact, versatile and great value, the Garmin Edge 530 is perfect for riders who want top-level performance at a reasonable price.Includes:Garmin Edge 530 head unitStandard mountFlush out-front mount Tether USB cableDocumentationUK/EU Maps
Ultegra's new FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, Ultegra cranks now cater to smaller riders, triathletes, and cyclists curious about shorter crank arms. An integral part of Shimano's new 12-speed road line up, the FC-R8100 crank builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in lengths from 160 to 175 mm, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanical requirements.The HollowTech II 12-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive ridersHollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high loadThe chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transferIndustry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weightWide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mmA wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplinesHollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiencyHollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability (sold separately)
Ultegra's new FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, Ultegra cranks now cater to smaller riders, triathletes, and cyclists curious about shorter crank arms. An integral part of Shimano's new 12-speed road line up, the FC-R8100 crank builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in lengths from 160 to 175 mm, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanical requirements.The HollowTech II 12-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive ridersHollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high loadThe chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transferIndustry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weightWide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mmA wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplinesHollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiencyHollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability (sold separately)
Ultegra's new FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, Ultegra cranks now cater to smaller riders, triathletes, and cyclists curious about shorter crank arms. An integral part of Shimano's new 12-speed road line up, the FC-R8100 crank builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in lengths from 160 to 175 mm, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanical requirements.The HollowTech II 12-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive ridersHollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high loadThe chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transferIndustry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weightWide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mmA wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplinesHollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiencyHollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability (sold separately)