Shimano GRX FC-RX820 2x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110-80 BCD Asymmetric Shimano - 175mm - Black - 48-31T - 47mm Chainline YGroup_7034235289645 If you can't get a

If you can't get a seal you can use the 20G CO2 canister to blast the stubborn bead into submission

The timeless design fits optimally on any bike

0 tyres and works with any tubeless valve

High speed compression damping blow-off for Open and Pedal positions

as well as external gear attachment points

Shimano GRX FC-RX820 2x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110-80 BCD Asymmetric Shimano - 175mm - Black - 48-31T - 47mm Chainline YGroup_7034235289645 If you can't get aThe 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.