ROTOR 公路 圓齒環 - SH110x4 - 外齒環 - 黑色 -適用於 ALDHU 3D+ SHIMANO DA9100 UT8000

Rotor poured all of our experience in oval Q rings development into producing an innovative Round Chainrings solution. Machine CNC¡¦d from ultralight aeronautic-grade 7055 aluminum, our new look 4-arm chainrings are compatible with our lightweight ALDHU 3D+ crankset as well as all Shimano? 4 bolt cranks.

Combined with our new ALDHU 3D+ spider and crankset, the clever spline interface between the axle delivers a robust yet smooth engagement allowing you to maximise the efficiency in transmission of power in your pedal rotation.

* Spider not included