QS138 70H V3 Sprocket 13T 520 Pitch 17mm x 14mm *Extra Strong*

This is a 13 Tooth 520 pitch sprocket made specifically for the QS Motor 3000W 138 70H Mid Drive Motor. It is made from extra hard steel and has extra wide spline engagement to handle high torque applications. Designed to fit the QS138 V3 motor shaft. Standard 17mm x 14mm pit bike sprocket spline. Precision machined from extra hard gear steel. Includes sprocket, retainer ring, and M6 retainer ring screws.

20 inch E-Bike Conversion Kit Electric Bike Motor Rear Hub Wheel Kit 36V 250W!

Features: 1. 36V 250W Brushless toothed motor specification, strong and powerful. 2. Come with powerful controller guarantee big current supply. 3. Suitable for both V brake and Disc brake. Package List: 1 * Motor 1 * Controller 1 * Assist 1 * Electronic power brake 1 * Thumb Throttle 1 * LED Display 1 * Waterproof Wire 1*Controller carrying case.

20 Inch Electric Bicycle Front Wheel Hub Motor E-bike Conversion Kit 500W 340RPM

Specification Color: Black Material: Aluminum, Iron, Copper, Magnetic Steel Suspension Type: Front Specific Uses For Product: Road Special Feature: Electric Brake Type: Power-off Brake Handle (Applicable to V Brake, Disc Brake) Power: 500W Speed: 340 RPM Torque: 30N. M Speed: 33-35km/h (No-load) Suitable Bike Wheel Size: 20-inch Wheel Hub Motor Diameter: 42cm/ 16.54in Wheel Hub Motor Width: 3.2cm/ 1.26in Wheel Hub Motor Total Width: 17cm/ 6.69in Package Size: 50*50*23cm/ 19.69*19.69*9.06in Net Weight: 9.2kg/ 20.28lbs Gross Weight: 11kg/ 24.25lbs.