SHIMANO's new FC-RX810-1 crank balances weight and efficiency for mixed-terrain riding. Gearing options cater for the specific demands of gravel riding and to maintain tighter gear steps for maintaining pedaling rhythm. It is offered in 40T and 42T chainring options and 170, 172.5, and 175mm crank arm lengths.

FEATURES
Optimum gearing for mixed terrains and riding styles
Tighter gear steps maintain rhythm on familiar routes
Gear combination: 42T, 40T