1. This product is a small brush motor, made of premium aluminum material. 2. With metal belt pulley, strong, durable for long time use. 3. The shaft diameter: 8mm (single milling slot 1mm). 4. Suitable for electric scooter, electric bicycle, etc. Condition: Item Type:Brushed Motor Model:MY6812 Rated power:150W (kW) Rated voltage:12 V Main application:scooter, electric vehicle Rated voltage range of 3C: 36V DC Rated current:Less than 8, 5A Rated speed (RPM):2500±5% Maximum speed (RPM):3500±5% No-load current:Less than 0.9A Rated torque:0.56 nm transmission:belt pulley, metal efficiency: 68% Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Colour:Black Material:Metal Package Contents: 1 x Brushed Motor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.