Reader Interactions


  1. I have a Cannondale Rush 09 with a Bafang mid-drive motor. I’m needing to find someone that can set up the derailleur, cassette, and crank. I did what I could, but it still is not right as the chain keeps coming off. Do you have any suggestions for someone in the Central Valley of California (Modesto)?

  2. Any chance you could do an update on this article and compare newer players in the field like Box Components Prime 9 series of specific eBike drivetrains? They have 4 levels of pricing/quality. I’ve been using the Box 2 model on my first build. Just wondering if it is worth the price to go to the Box 1 groupset. And how does their system compare to SRAM. SRAMs rear cassette is an eye watering $462 alone.

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