The chainring teeth have been developed to work in conjunction with the CN-5701 chains for increased contact to provide greater efficiency and improved power transfer. HollowTech II allows the bottom bracket bearings to be spaced wider apart (outboard from the frame), enabling the use of larger bearings and an increased axle diametre….
– Shimano 105 5750 Hollowtech II Compact Chainset Chainsets – £92.98999999999999 (RRP – £)
