The new FC-RX820-1 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. – GRX 12 speed, hollow arm 1X crankset. – Narrow-wide 40T chainring. – Gravel specific gearing ratios with 1X simplicity and wide-range gearing. – Bottom Bracket : Not included – SM-BBR60 / SM-BB72. – Chainline: 50.1mm.
