Increased acceleration by reducing inertia and weight by BEAM SPIDER construction

Beam Angle: 180°

The integrated low friction MIPS layer adds additional protection against rotational impacts

This stainless steel shield reduces caliper fluid temperature by about 20C by breaking the thermal connection between the caliper body and the pad

Hyperglide (HG) series 9-speed compatible chain

Shimano GRX FC-RX820 1x12 Speed Crankset - 68-70mm Shell - 24mm - Four Bolt - 110 BCD Asymmetric Shimano - 172.5mm - Black - 40T - 49.7mm Chainline NoAusPost Increased acceleration by reducing inertiaThe 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.