... 10Ah high density Lithium-ion battery electric mountain bike-Frame: Aluminum alloy-Riding mode: Pedal Assist ... display,charger,pedals,front and rear lights,bell,bike tool kits.Quality Control:1. Our products ... deficient components will not be fixed to the bikes. 5. Each E-bike will be strictly inspected ... 3. Gears, bearings, 12 months 4. Handle bar,stem, brakes (excluding brake shoes and pads) 12 months5 ...