M600

Brand: Bafang

Mid-drive motor from Bafang's M series launched around 2019, part number G521, aimed at electric mountain bikes and powerful all-road e-bikes. Maximum torque of 120 Nm, torque sensor, CAN protocol, available in 36 V, 43 V or 48 V. Sold in a 500 W version (G521.500) as well as a 250 W restricted version for EU type approval. Weight around 3.7 kg bare (≈3.9 kg commonly quoted when equipped). Dropped from the current bafang-e.com catalogue, it remains very widespread on OEM e-bikes and conversion kits.