1.) Electric bicycle moutain type with EN15194 2.)Item no.:WL2617 3.) ... WHITE, RED , BLACK,ETC Frame: alu alloy ,6061#, suspension type Suspension:Length: 165mm, 1500pound, alloy 6061# Fork: alu alloy ... the left ,700mm. Material: alu alloy, with directinon point and with high speed gliding function. Controller: Controller: 36v12A ... environment much more clean ! Electric bicycle moutain type with EN15194