SloHi Bike Co.

Site lists e-bike service for any e-bike bought from it, Bosch/Yamaha/Shimano/EBO e-bikes, and bikes with a 750 watt motor or less from a still-in-business company, for Class 1, 2 and 3 e-bikes. It declines gas-powered bikes, e-bikes exceeding 28 mph and certain brands, and its $250 e-bike tune includes a system update. Electrical policy for e-bikes bought elsewhere: Full electrical. Motor systems: Bosch; Yamaha; Shimano; EBO. Firmware updates: Yes.