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Free Hong Kong Shipping For Hong Kong Orders Over HK$990. Delivery via SF Express.（SF Lockers is optional）
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Description
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
Short description
Sizes: Available in 53/39, 52/36, 50/34
Characteristics:
- Weight: 133g for 52/36?
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