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Product features: increased hardness, hollow anti-debris accumulation, electroplating anode dazzling

Manufacturing process: CNC cutting

Material: aluminum alloy

Ultra-light disc, saving more vehicle weight

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4 sizes to choose
The distance traveled in a circle (cadence)
Speed comparison under the same physical exertion

Round

Oval

Positive and negative tooth design
Prevent drop
(Removed the front derailleur + left finger dial + part of the line tube + the large plate of the middle plate)
Greatly reduce the load on the vehicle

Oval chainwheel superiority, increased frequency, and easier middle gear planning
Blue represents the trampling interval
Red represents the middle gear