Lightweight Hollow Tech II 105 10-speed chainset Innovative Hollow Tech forged & anodised aluminium crank arms utilise a hollow design that minimises flex & keeps the weight low The triple chainring teeth have been developed to work in conjunction with the CN-5600 chains for enhanced up & down shifting Hollow Tech II allows the bottom bracket bearings to be spaced wider apart (outboard from the frame) enabling the use of larger bearings & an increased axle diameter The system allows for easier installation adjustment & maintenance Lightweight anodised SG-X aluminium chainrings for smooth & precise shifting For use with ST-5703 or ST-6700 ...

Features: Lightweight Hollow Tech II 105 10-speed chainset Innovative Hollow Tech forged & anodised aluminium crank arms
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Lightweight Hollow Tech II 105 11-speed chainset Innovative Hollow Tech forged & anodised aluminium crank arms utilise a hollow design that minimises flex & keeps the weight low The chainring teeth have been developed to work in conjunction with HG-X 11-speed chains for increased contact to provide greater efficiency & enhanced power transfer Hollow Tech II allows the bottom bracket bearings to be spaced wider apart enabling the use of larger bearings & an increased axle diameter Can be used with Shimano external or press-fit bottom brackets The system allows for easier installation adjustment & maintenance Lightweight anodised SG-X aluminium chainrings for smooth & precise shifting ...

The Hollow Tech II 10-speed Ultegra chainset offers an ideal balance of light weight & stiffness making it the perfect choice for both enthusiast & competitive riders Hollow Glide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex & hugely improves shift performance even under high load The chainring teeth have been developed to work in conjunction with the & CN6600 chains for increased contact to provide greater efficiency & enhanced power transfer Industy leading Hollow Tech II cold forged hollow crank arms have been evolved to increase rigidity reduce weight & improve strength A wide range of chainring options & crank armlengths are available to meet the needs of all riders & racing disciplines Hollow Tech II integrated bottom bracket uses a widerbearing placement & larger axle diameter for increased stiffness & efficiency Hollow Tech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling & increased durability Weight including bottom bracket 785 grams ...

The Hollow Tech II 11-speed Ultegra chainset offers an ideal balance of light weight & stiffness making it the perfect choice for both enthusiast & competitive riders Hollow Glide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex & hugely improves shift performance even under high load The chainring teeth have been developed to work in conjunction with 11-speed HG-EV chains for increased contact to provide greater efficiency & enhanced power transfer Industry leading Hollow Tech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight A wide range of chainring options & crank arm lengths are available to meet the needs of all riders & racing disciplines Hollow Tech II integrated bottom bracket uses a wider bearing placement & larger axle diameter for increased stiffness & efficiency Hollow Tech II integrated bottom bracket seal design has minimal bearing interfaceensuring smooth rolling & increased durability ...

The Hollow Tech II 10-speed CX50 cyclo-cross chainset is the perfect choice for enthusiast riders Alloy chainrings are both rigid & lightweight The chainring teeth have been developed to work in conjunction with the 10-speed directional HG road chains for increased contact to provide greater efficiency & enhanced power transfer Industry leading cold forged crank arms have been evolved to increase rigidity reduce weight & improve strength 2-piece cap-free design is quickand easy to install whilst being lighter & stiffer than a traditional crank / bottom bracket assembly Integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling & increased durability 46 / 36T chainrings using 110 mm bolt circle diameter ...

The Hollow Tech II 10-speed CX70 cyclo-cross chainset offers an ideal balance of light weight & stiffness making it the perfect choice for both enthusiast & competitive riders Machined alloy outer chainring is both rigidity & lightweight The chainring teeth have been developed to work in conjunction with the CN7901 & CN6701 10-speed directional HG chains for increased contact to provide greater efficiency & enhanced power transfer Industry leading Hollow Tech II cold forged hollow crank arms have been evolved to increase rigidity reduce weight & improve strength A wide range of crank arm lengths are available to meet the needs of all riders Hollow Tech II integrated bottom bracket uses a wider bearing placement & larger axle diameter for increased stiffness & efficiency Hollow Tech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling & increased durability 46 / 36T chainrings using 110 mm bolt circle diameter ...

Shimano M171 SIS triple chainset delivers precise & smooth shifting performance Chainwheel incorporates chain pickup ridges specially developed teeth profiles & guide ramps to assure fast & precise SIS shifting 6 7 & 8-speed compatible 170 mm cranks For use with square taper bottom brackets Black crank arm with black chainguard & chainrings ...

Great value tough & stylish Mega-9 Alivio chainset offering slick hyperdrive shifting performance for off road enthusiasts ...

Tough & stylish Alivio chainset offering slick hyperdrive shifting performance for off road enthusiasts Hyperdrive SG-X chainrings for fast & smooth gear shifts Replaceable chainrings 4-arm 42 / 32 / 22T chainring combination Square tapered spindle fit ...