This rear-drive motor, which is compatible with disc brakes, has a rated power of 500W, a reduction ratio of 1:5 and a maximum torque of 80 N.m, providing ideal power. Strong and efficient, this motor works together with a cassette or freewheel speed change mechanism, greatly enhances riding comfort and is suitable for fat tyre beach and snow bikes.

Features & Specifications:

• Rated Power: 500W
• Rated Voltage: 48V
• Max Torque: 80nm
• Installation Width: 175mm
• Installation for 4" Fat Tyre Bike Rims
• Designed for Rear Wheels with 7 Speed Shimano Cassettes 
• Designed for Front Wheel Dual Motors without Cassette
• Requires 500W Rated controller to operate
• Compatible replacement for Ampd Bikes with 500W motors