The Shimano FC-RX820-1 crankset reduces weight, optimizes efficiency, and offers a range of drivetrain options that meet the needs of riders in mixed terrain. By combining a 10-45D or 10-51D cassette with a 40D or 42D chainring, riders can choose tighter gear ratios or a wider range. The FC-RX820-1 is available in 170, 172.5, and 175 mm crank lengths, providing an additional level of customization.

• An optimal gear range for practical use in mixed terrain.
• The cassette options 10-45D and 10-51D cater to all riding styles.
• The chainrings 42D and 40D are available.