Universal Compatibility for 10-Speed Bikes】The Varstrom 48V 500W/750W rear hub motor kit is designed for bicycles with a rear dropout width of 135-145mm. The front-drive version is compatible with a 100mm dropout. Both versions support disc and V-brake systems, are compatible with cassette flywheels (not for screw-on freewheels), and work with up to 10-speed gear systems
Powerful and High-Speed Performance】The Standard 500W version 125EVH motor delivers a max power of 800W and torque of 65N·m, reaching speeds of 40-45 KM/H. The Professional 500W version 125XVH offers 864W max power and speeds of 45-50 KM/H, while the 750W version 125XVH provides 1056W max power, 80N·m torque, and speeds up to 55-60 KM/H. All deliver strong, reliable propulsion for various terrains and riding needs
Optimized for Commercial and Daily Commuting 】 The Standard version 125EVH offers durable, reliable performance for leisure rides and daily commuting. The Professional version 125XVH is engineered for high-intensity commercial use like food delivery, featuring an IPX5 waterproof rating, noise below 60d B, and durable nylon helical gears for extended lifespan. Both versions are built for dependable performance in various conditions
Personalized Display Options 】Tailor your ride with three advanced display choices: the compact 1.5" VD03 (ideal for limited space or budget), the large 3.5" IPS VD04, or the wide 2.4" EKD01 horizontal display. All three connect to the BIKEGO+ app and include one-key speed limit adjustment. The VD03 covers essential functions, while the VD04 and EKD01 offer enhanced visuals and data clarity for a fully customizable e-bike experience