Shimano GRX RX820 12-Speed Derailleur Wheels

Are the pulleys on your Shimano GRX RX820 12-speed rear derailleur due for replacement? These genuine Shimano pulleys will restore your drivetrain's performance in one go. Specifically designed for the Shimano GRX RX820 groupset, these pulleys guarantee quiet, precise, and durable operation.

Thanks to the use of high-quality materials and a precise fit, these jockey wheels ensure minimal friction and maximum efficiency, exactly as you would expect from Shimano.