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C-Bear ceramic OCM  same cage optimized max size ceramic pulley wheels. Some labelled this Oversize #tellasitis.

Shimano:
R8100 Ultegra 12 speed

GRX 
Dura Ace R9100,R9150 Di2
UItegra R8000, R8050 Di2
105 R7000


R9200 Dura Ace 12 speed

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/

C-Bear ceramic OCM (original cage max) pulley wheels

Instagram @cbearcycling

Reviews

Marathonmtb (davysprocketmtb)
C-bear DUB 41 marathonmtb davysprocketmtb Pressift 89.5/92
Gravel Cyclist Belgian Tough
Gravel Cyclist review of C-bear : Belgium Tough ceramic bottom bracket
Bike Rumor
C-bear PF42-30 ceramic bottom bracket on Bike Radar review
Cyclingweekly Hillclimb
C-Bear PF30 Cycling Weekly Hill Climb Cannondale
Cyclingtips Everett Top 10
Global Cycling Network
C-Bear PF41-30 Global Cycling Network

Bike Builds

Richard Sachs
C-bear BSA GXP ceramic bottom bracket on Richard Sachs own bike
Fiftyone
C-bear Prova Cycles bespokeduk Australia handmadebicycles show
Provacycles
C-bear Prova Cycles bespokeduk Australia handmadebicycles show
Mercer
Mercer bike C-bear BSA-GXP ceramic bottom bracket
Bastion
Bastion handbike paraolympian stuarttripp with C-BEAR ceramic bottom brack
Deanimacicli
C-bear ceramic bottom bracket Deanimacicli