2017 Haibike SDuro Hardseven 4.0
A hardtail 27.5" bike with a full 100mm front suspension and big, tough tires for dirt, gravel or the heavily potholed commute.
Haibike SDuro Hardseven 4.0
27.5 for the streets.
A hardtail 27.5" bike with a full 100mm front suspension and big, tough tires for dirt, gravel or the heavily potholed commute. The Yamaha mid-drive motor provides powerful off-the line electric-assist with Yamaha's "zero-cadence" torque output.
Not Yet Reviewed
Yamaha PW-System + LCD display + Yamaha 400Wh lithium ion battery
Speed + Range
Assists up to 20 mph. Range up to 80 miles (128 km), based on terrain and riding style.
Shimano Acera 9-speed
Alex MD21 27.5" + Schwalbe Smart Sam 27.5" x 2.25" tires
40cm, 45cm, 50cm, 55cm
100mm SR Suntour XCM RL-DS