Shimano GRX FC-RX820 1x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110 BCD Asymmetric Shimano - 175mm - Black - 42T - 49.7mm Chainline YGroup_7033820020781 Fit Type: The Matrix is

Fit Type: The Matrix is a casually styled jersey with a bit of room to move

Fit: These were designed to fit slightly on the larger size so you can make use of the velcro tabs

Adding visibility while avoiding causing issues for others

ATOP lacing system allows single hand micro-adjustments as you ride

Shimano GRX FC-RX820 1x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110 BCD Asymmetric Shimano - 175mm - Black - 42T - 49.7mm Chainline YGroup_7033820020781 Fit Type: The Matrix isThe SHIMANO FC RX820 1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed terrain riding. By pairing a 10 45T or 10 51T cassette with 40T and 42T chainrings, riders can choose closer gear steps or ultimate range. The FC RX820 1 comes in 170, 172. 5, and 175 mm crank arm lengths, providing an additional level of customization.