The SHIMANO DEORE FC-M6100-1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 172 mm Q-factor that is compatible with 142 mm or 148 mm O.L.D. frames.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
170mm, 30T Chainring
Mfg PartNum: EFCM61001CXA0
175mm, 30T Chainring
Mfg PartNum: EFCM61001EXA0