GRX FC-RX610 Crankset mountain wheels or any other bike with

or any other bike with a 1" threaded steerer

Forged premium 7050 aluminum 24mm MegaExo spindle

Supacaz pattern design for max control and ultimate tackiness

This do-it-all tread features large center square lugs that bite in soft soil

To develop a next-generation saddle

GRX FC-RX610 Crankset mountain wheels or any other bike withThe Shimano FC RX610 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed terrain riding. Riders can choose closer gear steps or ultimate range depending on personal need by pairing a 10 45t or 10 51t cassette with 38t or 40t chainring (cassettes and 38t chainring sold separately) Optimal gearing for mixed terrain riding Compatible with HG 12 speed chains 49. 7mm chainline