Full Ceramic

Some call this OverSize, we simply call it Original Cage Max(OCM) 55mm and 45mm diameter.

These aluminium Pulley wheels are Compatible with :

Dura Ace R9100, R9150 Di2
Ultegra R8000, R8050 Di2,8100 (12speed)
GRX R8150
XTR M9000
XT M8000
SLX M7000
105 R7000