... 700C 1)Motor: 250W 2)Battery: lithium,36V/10Ah, Frame:alloy 3)Derailleur: Japan Shimano 6~7 gears New Bicycle ... and reliable shifting4. Frame: Aluminum alloy5. Rim: Double-wall alloy, Stainless steel spokes, Rust-resistance6. Alloy cranks7. Front TGS alloy shock absorber8. 700C ... handle bar, front disk brake, VELO Gel saddle with alloy suspension post, LCD meter displaying 5 levels PAS speedElectric ...