The Carrera Vengeance-E Pro Ltd Electric Mountain Bike is a powerful electric bike designed to boost your cycling with smooth, confident assistance. This electric bike uses a Suntour rear-hub motor and 310Wh battery for up to 40 miles of support (average 25-30). A microSHIFT 9-speed drivetrain, disc brakes and a 100mm fork add control on trails or commutes, while durable 27.5" tyres boost grip on different terrain. Buy your electric bike at Halfords, the UK's largest cycling retailer.