Rotor Round Inner Chainring

Saint Cloud Verified independent store

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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 cr anks. 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. Show more