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R400-DT3 road bicycle crankset direct chainring and crank
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1. Integrated double chainring design, strong controllability, more powerful riding, and easier installation.
2. Full CNC crank, integrated CNC double chainring, CNC machining knife pattern style.
3. Three-nail direct-mounted structure, more lightweight.
2. Full CNC crank, integrated CNC double chainring, CNC machining knife pattern style.
3. Three-nail direct-mounted structure, more lightweight.