Jul 14,2020 09:52:21 UTC
[Conversion Accessories]— All necessary mounting accessories are included. Please see the packing list image. Rear wheel & motor(with rim and spokes), battery(four batteries optional).
[Speed & efficiency]—Maximum speed can reach 38-40 KMH, 470 RPM, efficiency ≥ 80%. Effective stopping power as soon as you hit the brakes.
[Installation Precautions]—Suitable for bicycle rear wheel 20″/26″/ 27.5″/700C. Installation Widths (mm / OLD):138; Max. Housing Diameter (mm):158.5. Upgraded connectors for the controller and a series of accessories, easy to recognize and fast to connect well with all kits in an hour.
[Maintenance & Warranty]—1 year warranty and US maintenance service and technical support(US ph:7025766881). If there any issue with it, don’t hesitate to contact us, and we will response and solve it within 24 hours. Your satisfaction is our top priority.