Electric mountain bikes, like this one, can be very handy to give you some help when pedalling gets difficult. This has a frame integrated battery that powers a 250w motor. It will give up to 25 miles of assistance on one charge of the battery at speeds of up to 15.5 mph. The frame is 17 inches and the wheels are 26 inches and made of an alloy with Kendra tyres that have a good grip. It has 6 speed Shimano gears to cope with different road conditions. It is black with some lime green and white touches.