From city commutes to rolling adventures through the countryside, the Serfas eDASH series of Class 2 e-bikes offer comfort and convenience in a lightweight and powerful package. Equipped with a Bafang 500W 48V brushless rear hub motor, a long-lasting 636Wh battery, and five levels of pedal assistance, you&';ll have no problem exploring new places to ride at speeds up to 28mph. Hydraulic disc brakes make stopping easy-even in wet weather-and the Shimano 8-speed drivetrain has the right amount of gearing to ensure every outing is full of fun. The Step-through model offers greater accessibility for those with limited range of motion or who simply enjoy the extra ease a lower frame height offers. Specs Frame Step-through 6061 Double-Butted Aluminum Alloy w/ Internal Battery Tires SerfasA(R) E-Drifter 27.5 x 2.35 Shifters ShimanoA(R) 8-Speed SL-M310 Rear Derailleur ShimanoA(R) RD-M310 8-Speed Brakes TektroA(R) HD-T285 Hydraulic Disc w/ 180mm Rotors Handlebars Zoom VLG-649 Aluminum 31.8, 15-Degree Sweptback Motor BafangA(R) 500W 48V Brushless Rear Hub Motor Battery Lithium-ion 46.8V, 13.6Ah (636.4Wh) w/ LGA(R) Cells