WEST BIKING YP0719273 Road Bike 56T-44T Double-Disc Aluminum Alloy Gears(Black)

1. Material: aluminum alloy
2. Application: support 8 speed, 9 speed, 10 speed, 11 speed
3. Suitable for long-distance cruisers who can maintain a speed of 30+KM, and also suitable for explosive sprints of power players
4. CNC technology, better disc precision, smooth hand feeling while brushing
5. Large-area hollow design of the disc, lightweight design
6. The chain has a high degree of coordination with the tooth mouth of the disc, which is sensitive and fast
7. Waterproof and rustproof, good durability
8. With pins, it is not easy to drop the chain
9. CBD: 130 mm
10. Weight: about 145 grams

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