C-Bear ceramic OCM same cage optimized max size ceramic pulley wheels. Some labelled this Oversize #tellasitis.
Shimano:
GRX
Dura Ace R9100,R9150 Di2
UItegra R8000, R8050 Di2
105 R7000
Sram:
AXS 12Speed
Force and Red
Sram Red etap 11 speed
video on XTR https://www.instagram.com/p/B555C9Sl8kN/
video on Dura Ace https://www.instagram.com/p/B6JSduklTHi/
video on GRX https://www.instagram.com/p/B6k1RmllQ0L/
video on SRAM Force https://www.instagram.com/p/B6pfiPwlRof/
