In this article I will review the C-Bear OCM Ceramic Pulley Wheels for Shimano GRX-RD-820 12-speed rear derailleur on the Canyon Grizl CF SL 8 1-by. On the Canyon Ultimate CF SLX I’m also running a pair of ceramic pulley wheels.
In this article I will review the C-Bear OCM Ceramic Pulley Wheels for Shimano GRX-RD-820 12-speed rear derailleur on the Canyon Grizl CF SL 8 1-by. On the Canyon Ultimate CF SLX I’m also running a pair of ceramic pulley wheels.