The HollowTech II Chainset features hollow forged crank arms which are both lightweight and rigid whilst being incredibly strong and durable
SG-X chainring with patented spike pins give smooth and fast gear shifts under load
We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing and fit
96 / 64 mm bolt circle diameter
Occasionally, without notice, manufacturers change product design and/or specifications.





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