Shimano GRX – gravel crankset – 1×11-speed SHIMANO's new FC-RX810-1 crank offers the right balance between lightness and efficiency for varied terrain. Gear options that match the specific demands of gravel riding, with smaller steps to maintain pedaling rhythm. It is available with 40T and 42T chainrings and crank arm lengths of 170, 172,5, and 175 mm. CHARACTERISTICS
Optimal tuning for mixed terrain and various riding styles
Smaller gear steps to maintain the rhythm on familiar routes
Gear combination: 40T PRODUCT SPECIFICATIONS
Model: FC-RX810-1
Series: GRX 11-speed
Color: Group color
Average weight: 644 grams (40T), 656 grams (42T)
Screw thickness with bottom bracket thread 70: Yes
Chainring combination: 40T
Compatible bottom bracket type Outer side: Yes
Crank mounting screw included: Yes
Crank arm length (mm): 172,5
Spider/gear arms: 4
HOLLOWTECH II: Yes
HOLLOWTECH crank arm: Yes
Without chain guard/protective edge: Yes
Recommended bottom bracket press-fit: SM-BB72
Recommended threaded bottom bracket (standard): SM-BBR60
Screw thickness with bottom bracket thread 68: Yes
Q-factor (mm): 151
Chain line (mm): 49,7
Compatible chain: LINKGLIDE, HG 11-speed
BCD Left/right (mm): 110
BCD (mm): 110
Rear gears: 11
