The new Yamaha PW-ST features Yamaha's Quad Sensor System so that it can deliver assist optimized for all conditions despite weighing 100g less than the previous model. The unit also offers a broader assist range that can accommodate high-cadence pedaling.
The tuning of the PWseries ST makes this drive unit the perfect all-rounder. Whether you're a newcomer to the sport or a veteran rider, and whether you're on- or off-road, the PWseries ST delivers fun, pleasant assistance for all riders.
Max Torque: 70Nm, Weight: 3.4kg, Rated Power: 250W
The Haibike sDuro HardNine 2.5 2021 -
Are you looking for a hardtail eMTB to enjoy relaxed tours over easy terrain?
Then the SDURO HardNine 2.5 is the ideal e-mountain bike for you. Its 29" wheels ensure a smooth ride and optimum rollover behaviour, while the 100mm travel offers a good level of comfort. Meticulously designed, the modern in-tube frame integrates the 500Wh Yamaha battery to slim the bike's silhouette which can then be transformed by the Modular Rail System and its range of coordinating accessories. Perfect!
It features the Yamaha PW-SE 70Nm motor with a Yamaha Intube 500Wh Powerpack, new LCD control switch, 9 speed gearing and Suntours coil sprung fork with adjustable damping.
Gear Type: Derailleur
Frame: Aluminium 6061, thru-axle M12 (1.75) x 148mm, disc brake
Forks: SR Suntour XCM32 100mm
Brakes: Tektro M275
Rear Mech: Shimano Altus 9 Speed
Battery: Yamaha Lithium Ionen 36 Volt, 500Wh, with BMS Management
Display: Yamaha Side Switch multi functional LCD display with walk asstance
Motor: Yamaha PW-ST Crank Drive 36V 250 Watt 50-280% Assist 70Nm