Shimano M770 Xt Hollowtech II Chainset

This is a high performance Hollowtech II, 9 speed, triple chainset.
It has forged HollowTech II Aluminium cranks that offer unrivalled strength-to-weight ratio.
It also has 22, 32 and 44 tooth, SG-X chainrings, with a plated Aluminium small ring, a drilled steel and carbon composite construction middle ring and a thicker double anodized Aluminium large ring, that are Hyperdrive compatible and deliver a smooth precise shift.