The 2026 Trek Rail+ 9.8 GX AXS Gen 5 eBike is an electric mountain bike for easing the uphills and racing the downhills. When looking to tackle a lot of mileage in rough terrain, choose a bike that won't let up. This Class-1 ride features a whopping 800Wh battery to power the Bosch Performance Line CS motor with 85Nm of torque, with a 29" front wheel and 27.5" back wheel that makes it easy to move over uncharted terrain and have a blast. Front and rear suspension smooth out the ride, and hydraulic disc brakes allow for quick stopping.