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3T e-Ultra Electric Gravel Bike – Built for Speed and Adventure

3T e-Ultra – a lightweight and versatile electric gravel bike designed for asphalt, gravel roads and more technical off-road routes. It retains the performance-focused character of the standard Ultra, making the electric assistance feel like a natural extension of the rider’s pedalling effort. Extensive tyre compatibility and the option of an additional battery allow the bike to be adapted for everyday journeys, fast rides and longer adventures.

Key Features:

• Mahle X20 motor: the rear hub-integrated system, specially tuned for 3T, delivers up to 65 Nm of torque.
• 350 Wh battery: the battery is concealed inside the down tube for a clean appearance and balanced weight distribution.
• Minimal additional weight: the motor, battery and other electronics add less than 4 kg compared with the non-electric Ultra model.
• Long riding range: under suitable conditions, the bike can cover more than 130 km and approximately 2,000 m of elevation gain.
• Additional battery: the separately available 173 Wh Range Extender weighs 1.1 kg and can add approximately 40 km of range and 600 m of elevation gain.
• Wide tyre compatibility: accommodates 650b tyres with a measured WAM width of up to 61 mm or 700c tyres measuring up to 45 mm WAM.
• REALFAST aerodynamics: the frame tube profiles are developed using real-world measurements of tyre width and height.
• Aerodynamic down tube: the 60 mm-wide upper section expands to 75 mm at the bottom to manage airflow from the front tyre and shield the water bottle.
• Carbon Ultra frame: the lightweight and stiff construction maintains responsive handling and a road bike-like ride feel.
• Size-specific construction: the down tube profile is reduced on smaller frames to preserve comfort and space for water bottles.
• Shorter fork: the road bike-inspired fork length reduces weight, increases stiffness and improves handling.
• Double-dropped chainstays: provide additional clearance for the tyre and crankset while increasing stiffness around the bottom bracket.
• Direct brake mounting: the front and rear brake callipers accommodate 160 mm rotors without additional adapters.
• 27.2 mm seatpost: the standard round diameter allows the use of a conventional, dropper or suspension seatpost.
• Smart controls: the system supports Bluetooth, ANT+ and Garmin devices, with three preset assistance modes and one customisable mode.
• MySmartBike app: allows riders to adjust electric assistance settings and monitor system data.