Optimal gearing for spirited group rides and aggressive racing. The SHIMANO FC-RX820-2 balances weight savings and optimal efficiency for mixed-terrain riding and racing. Double chainring gearing caters to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch.

Features
Smaller gear steps for cadence control on mixed-terrain riding
Gravel-optimized gear ratios preserve riding rhythm on rough surfaces
Wider gear range

Specifications
Rear speeds 12
Compatible chain HG 12-speed

Mfr Claimed Weight
TBC