The Domane+ SLR 9 is our best carbon endurance e-road bike. It all starts with a featherweight 800 Series OCLV Carbon frame decked out with top-tier parts for the ultimate performance on every ride. You get the quiet, smooth boost of TQ's HPR60 motor that makes long rides feel like a breeze. It comes equipped with a 2x12 Shimano Dura-Ace Di2 drivetrain for rapid-fire smooth shifts, Bontrager Aeolus RSL OCLV Carbon wheels, carbon cranks, a carbon seat post and carbon Bontrager Aero Pro handlebars that absorb vibrations from rough roads. A compact, quiet and mighty e-system The TQ harmonic pin ring motor is super efficient with an amazing range-to-weight-to-speed ratio. It's ultra-compact, whisper-quiet and offers an unbelievably natural-feeling assist up to 20 mph (25 km/h in Europe). Ultra-lightweight The Domane+ SLR is our lightest e-bike ever, weighing only ~11.8 kg thanks to our best and lightest 800 Series OCLV Carbon and a smart frame designed to shave weight. Designed to go the distance An integrated 360Wh battery is hidden in the downtube and offers an impressive range of around 100 kilometers in Eco mode. Optional Range Extender Explore farther with an optional 160Wh Range Extender that gives you an extended total range of around 145 kilometers in Eco mode. Want even more miles? The Trek Connect App lets you customize your assist to extend your range even more. The smooth advantage Newly refined IsoSpeed soaks up fatiguing bumps and saves weight so you can ride stronger for longer. Real road feel A road-specific tune, narrow Q factor and intuitive mode change buttons on the hoods make the Domane+ SLR feel and handle like a traditional bike with the added benefits of electric.