GRX FC-RX820-1 40T MTB Electronic Shifters Compatible with FC-5500

Compatible with FC-5500

ButterWagonTech ensures a constant supply of oil to the bushings

Lower service temperature: -45 °C / -49 °F

Premium fender compatibility (RockShox Bolt-On Fender included with purchase)

GRX FC-RX820-1 40T MTB Electronic Shifters Compatible with FC-5500The 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. Attributes BCD 110 BB Inclusion No