TranzX PST Launches Bottom Bracket E-Drive System

Today the JD Group, maker of the TranzX PST e-bike components as well as complete electric bikes, launched its bottom bracket drive system. The brushless and geared central motor integrates into the bottom bracket presenting a lower center of gravity and with that easier handling. The new motor weighs 4.1 kgs and can accommodate up to three chain rings, expanding manufacturer options to sporty e-bikes.