C-Bear OCM-X Aurora Sram MTB/Gravel :
Transmission
Eagle
Red E1 XPLR 13 Speed
Force E1 XPLR 13 Speed
Each C-Bear pulley wheel set consist of 2 wheels, upper and lower, both with C-Bear ceramic bearings.
C-Bear OCM-X, original cage optimized max extra large, fit original cage, no extra spending to purchase another fitting size cage #smartspending.
C-Bear Rainbow Aurora group:
– a hardened surface treatment, more wear resistant
– no holes, simplistic design, easy maintenance, just wipe clean
– designed to eliminate twig-damages