Biktrix Juggernaut Ultra Duo 4 ST

Description

The Ultra Duo sits at the top of the Duo range, so naturally, it boasts one of the most powerful motor systems available today. The Bafang Ultra M620 mid-drive motor is loaded with 1500W of peak power and 160Nm of torque. Pair that with the 11-speed drivetrain and you’ll be nearly unstoppable. Motor: 1000W mid-drive; 160Nm torque; Battery: 52v 17.5ah 910wh up to 140km range; Torque sensor; Derailleur: Shimano Alivio 9 Speed;