ROTOR Round Aero Chainrings (BCD 110x4) Size:39t Quick and easy shifting heightens

Quick and easy shifting heightens focus and control

and on and of the bike freedom

Tested and guaranteed - Each part of Assioma has been designed by Favero Electronics and has undergone strict control tests (load

Front Derailleur: Shimano Ultegra Di2 FD-R8150

Optional Upgrades

ROTOR Round Aero Chainrings (BCD 110x4) Size:39t Quick and easy shifting heightensRound 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