A great electric bike needs a great battery to work. The E-Sierra comes with a 36v integrated battery cell to keep you going and going. The integrated battery offers a sleek and discrete look, and protects your battery every ride. Safety tested to strict international standards and comes with intelligent protection board for longevity and durability. Technical Specifications Frame: Alloy 26"×17" Fork: Alloy 26" 100mm Travel Handlebar: Alloy Width 660MM. 30mm rise Stem: L:90mm H=40mm +-7°, φ31.8 Grip: Rubber 125mm Crankset: 42T x 170mm crank Pedal: Alloy 9/16" Chain: 110L Freewheel: 14-28T Derailleur R: Shimano Tourney 7sp Shifter: Shimano Tourney 7sp Brake: Front & Rear Mechanical Disc Brakes 180mm Hub Front: 36H*100*140 Rim: Double wall, 6"*1.5* 36H Spokes: 13G Tire: CST 26"*2.10 Seat Post: φ30.4*350mm Seat Clamp: Quick Release Kickstand: L = 320mm Net Weight: 27kg Standover: 667mm Electrical Components Motor: 36V 250W - Complies to EN15194 Front light: 36V 30lUX W/O switch Display: Everdrive M5 Display Controller: 36V*15A Battery: 36v, 10.4AH battery cell Charger: 42V 2A DC2.1 charger port *Images provided are for reference only. Actual product may vary. Please note - Due to supplier shortages, we may supply you a product or its components from an equivalent or greater brand. For more details please contact us. Warranty Lifetime warranty on Frame and Fork 12 Months Manufacturer's Warranty on all non-consumable components 12 Months Manufacturer's Warranty on all electrical components, such as motors, display or batteries. Consumable parts (including grips, tubes, tyres, cables, brake pads, saddle coverings, chain, spokes, cassettes and chain rings) are not covered by the warranty.