Designed to fit the QS138 90H Tapered motor shaft. This is a 12 Tooth 520 pitch sprocket made specifically for the QS Motor 4000W 138 90H Mid Drive Motor.
Designed to fit the QS138 90H Tapered motor shaft. This is a 12 Tooth 520 pitch sprocket made specifically for the QS Motor 4000W 138 90H Mid Drive Motor.
Designed to fit the QS138 90H Tapered motor shaft. This is a 12 Tooth 520 pitch sprocket made specifically for the QS Motor 4000W 138 90H Mid Drive Motor.
Designed to fit the QS138 90H Tapered motor shaft. This is a 12 Tooth 520 pitch sprocket made specifically for the QS Motor 4000W 138 90H Mid Drive Motor.
Profile spline drive sprocket is CNC machined from 7075 Aluminum in the USA. Requires no sprocket bolt. Instead, it has a hardened chromoly steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer.
Profile spline drive sprocket is CNC machined from 7075 Aluminum in the USA. Requires no sprocket bolt. Instead, it has a hardened chromoly steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer.