Shimano GRX FC-RX820 Front Crankset 48-31T 170mm MTB Detectable HR Range 40~220BPM

Detectable HR Range    40~220BPM

250psi max pressure (17

3 x 15 / 18

Additives reduce friction and energy consumption

Shimano GRX FC-RX820 Front Crankset 48-31T 170mm MTB Detectable HR Range 40~220BPMThe new GRX FC RX820 2 HOLLOWTECH II 2 x 12 speed crankset offers the perfect synthesis of light weight and high efficiency for mixed terrain riding. The transmission options address the specific requirements of Gravel and provide tighter graduations for a smooth rhythm. Features Gravel gear ratios preserve riding rhythm over rough surfaces with wider tires Optimum gearing for mixed terrains and riding styles Wider range front system Specifications