Conversion Kit Rear Wheel Cassette 7-11 Speed MTX39 Rim UKC1+ Sinewave Battery

📱 UKC1+ display. ✔ UKC1+ Display. – Pedal assist limited to15.5mph (25km/h) 🚲. Designed to give riders a clean, well-balanced and easy-to-maintain bicycle conversion. 📏 Compatible with 7-11 speed cassette.

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