Shimano GRX FC-RX820 2x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110-80 BCD Asymmetric Shimano - 170mm - Black - 48-31T - 47mm Chainline Gift Voucher Compatible with single and multi-speed

Compatible with single and multi-speed chains up to 12 speed

A redesigned piston and damper combined with a smoother shaft finish

Quick and easy assembly

the balls actually make the races even smoother

this will not fold but the head can be removed for storage

Shimano GRX FC-RX820 2x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110-80 BCD Asymmetric Shimano - 170mm - Black - 48-31T - 47mm Chainline Gift Voucher Compatible with single and multi-speedThe 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. The 2x12 speed crank utilizes a 48 31T chainring and comes in 170, 172. 5, and 175 mm crank arm lengths.