Shimano FC-R7100 105 double 12-speed chainset, HollowTech II 172.5 mm 50 / 34T,
£70
Shimano FC-R7100 105 Double 12-Speed HollowTech II Chainset. Lightweight HollowTech II 105 12-speed chainset. Can be used with Shimano external or press-fit bottom brackets.
