Shimano GRX FC-RX820 1 x 12 Speed Crankset Chainring:42t and makes it suitable for

and makes it suitable for use in combination with tire inserts such as the Vittoria Air-Liner

Your next ride is already planned

For Di2 and mechanical shifting systems

Measures: 250x140mm

Shimano GRX FC-RX820 1 x 12 Speed Crankset Chainring:42t and makes it suitable forThe Shimano GRX FC RX820 1x 12 Speed Crankset balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed terrain riding. Features Choose closer gear steps or ultimate range by pairing a 10 45t or 10 51t cassette with a 40t or 42t chainring (cassettes and 42t chainring sold separately) Optimal gearing for mixed terrain riding Hollowtech II crank arms provide strength and stiffness with the