Rhythm step gear progression

Using the same replaceable cartridge technology as the Contact SL Switch dropper

Non-reusable

Forged aluminum post with 50mm of travel

SHIMANO FC-RX810-1 GRX Crankset - Single 40t - 11 Speed - 175mm featured Rhythm step gear progressionSHIMANO GRX Gravel Crankset 1x11 speed 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. Optimum gearing for mixed terrains and riding styles Tighter gear steps maintain rhythm on familiar