The Carrera Crossfire-E Mens Electric Hybrid Bike (L Frame - 21") is built for everyday riders and adventurers who who want to step up in their cycling. This electric bike pairs a 417Wh battery with a rear-hub motor to deliver 25–30 miles of pedal-assist. A cadence sensor provides power that matches your pedalling. Comfort comes built-in with a memory-foam saddle, padded grips and puncture-resistant Kenda tyres for confident rides. Buy your electric bike at Halfords, the UK's largest cycling retailer.