ROTOR Round Aero Chainrings (BCD 110x4) cassons 3 subscribes to that same

3 subscribes to that same idea in the pursuit of scaling mountains efficiently and providing even more fun and stability on the descent

sold as 2x pairs

ASTM 1952-15 downhill

Replacement cone spacer for Vision Metron 5D ACR

ROTOR Round Aero Chainrings (BCD 110x4) cassons 3 subscribes to that sameRound BCD110x4 chainrings compatible with all ROTOR cranks using BCD110x4 spider or INspider power meter. In addition, these chainrings are also compatible with Shimano Dura Ace FC 9100 and Ultegra FC 8000 cranks offering fast and precise shifting, attractive weight, as well as a more aerodynamic and aggressive aesthetic. ROTOR round chainrings come to complete the chainring range for those cyclists who have not yet decided to try Q RINGS oval