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Pro3 drive systems with any display and handlebar control
0 for Yamaha PW-X3 / PW-S2 motors precisely
RideDash Evo
Not Included
and Low-Speed Compression
SPEEDi for Trek Rail Gen 4 9.8+9.9 (2024) on-sale-item Pro3 drive systems with anyThe SPEEDi is an e bike speed limit increaser. Designed, tested and manufactered in New Zealand, our SPEEDi uses a mechanical planetary gear system to increase your standard e bike speed limit by 1. 5. Please note that the SPEEDi is very specific to the chosen Bike, Hub and Disc setup. Please don't assume that because your bike is similar it will fit, as it likely won't. If you're not 100% sure, please contact us. Please refer to the Hub picture
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