This summer, e-bike start-up Vanpowers Bike released their prototype road e-bike, the City Vanture, the first e-bike with an assembled frame. VPB’s manufacturing team discovered that the one-piece brazing method used for most bike frames on the market resulted in a noticeable misalignment (7 mm) and ran the risk of the brazed joints breaking easily. In response, they developed this one-of-a-kind assembled-frame model. The City Vanture’s frame alignment tolerance is precisely reduced to less than 1 mm, greatly cutting down...