Condition: Brand New Model: RD-M310Black Compatible with: 7/8 speeds Largest Cog: 34T Chain Wrap Capacity: 43T Weight: approx. 315g Model : RD-M360 Compatible with 8 speed systems Advanced light action Long cage Total capacity: 43T Max rear sprocket: 34T Package includes: - 1pcs M310/M360 7 /8 Speed Rear Derailleur 100% authentic, no original box.
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