In this article I will share my thoughts about the CEMA Bearing Ceramic Pulley Wheels Shimano 12-14T that I’ve installed on the Shimano Ultegra R8170 rear derailleur of the Canyon Ultimate CF SLX 8.0 Di2. These 12 speed Rear Derailleur Ceramic Pulley Wheels were discounted, so an easy replacement despite not having a full ceramic bearing.
Pulley Wheels
C-Bear OCM Ceramic Pulley Wheels Shimano GRX-RD-820 12-speed
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.
CEMA Bearing Full Ceramic Pulley Wheels
This article is a short review of the CEMA Bearing Full Ceramic pulley wheels. I will try to compare these against stock Dura Ace 9000 pulley wheels, but I don’t have a friction facts laboratory setup at home. So it will be an in-depth look and feature comparison.