evo.com | Transition e-Mountain Completes > Meet the Transition Regulator SX Carbon XT E-Mountain Bike, a mixed-wheel marvel that brings maximum mayhem to every trail. Powered by Bosch's incredibly lightweight Performance Line SX motor, this playful e-MTB delivers 55nm of torque with a geometry that balances power and maneuverability on the descent. Its 400wh battery offers enough juice for everyday trail riding with the option of a 250wh range extender for bigger days - perfect for riders trying to strike the right balance between weight and range. Wheel Size Mixed Wheel (29" Front / 27.5" Rear) Travel 160mm Front / 150mm Rear Bosch Wireless Two Button Mini Remote 250wh Range Extender Compatible MD-XL sizes only. Sold separately. Carbon Fiber Frame Lightweight and incredibly strong, Transition's carbon framesets are known for durability and versatility. | Transition Regulator SX XT E-Mountain Bike 2025 - Large in Grey