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Hai Bike SDuro HardNine Street 4.5 E-Bike

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Haibike’s SDuro HardNine Street 4.5 E-Bike is a light yet durable aluminum disc brake e-bike designed for low key mountain biking and touring. It features an integrated Yamaha motor and battery with 80Nm of torque and a 9-speed drivetrain which combined, can tackle nearly any climb or descent in sight. The SR Suntour suspension fork yields smooth rolling across variable terrain. Disc brakes provide maximum stopping power.


  • Frame Material: Aluminium 6061, Hydroformed, Gravity Casting Interface.
  • Drive Unit: Yamaha PW-System, 500W.
  • Display: Yamaha LED.
  • Battery: Yamaha Lithium Ion, 400 Wh.
  • Charger: Yamaha quick charger 4A.
  • Fork: SR Suntour XCM RL-DS Remote Lockout, steel spring, travel: 100mm, steel shaft 1-1/8 QR.
  • Rear Shock: N/A.
  • Headset: A-Head Tapered, ball bearing.
  • Shifters: Shimano Acera M3000, 9-speed.
  • Front Derailleur: SR Suntour XCM RL-DS Remote Lockout, steel spring, travel: 100mm, steel shaft 1-1/8 QR.
  • Rear Derailleur: Sidewalk M3000 9-Gang Shimano.
  • Crankset: FSA Stahl, 38.
  • Chainring: FSA, 38, steel.
  • Bottom Bracket: FSA.
  • Cassette: Sram PG920, 11-34 teeth.
  • Chain: Sram PC951.
  • Brakeset: Tektro M285, 180mm, hydraulic disc brakes.
  • Handlebar: Haibike TheBar+ Topflat 720mm.
  • Stem: Haibike TheStem+, A-head, Bar bore: 31.8mm.
  • Saddle: Selle Royal Voga.
  • Seatpost: Haibike The seat post++, patent, 31.6mm.
  • Wheelset: 29", Alexrims MD21, disc, aluminum.
  • Rims: Alexrims MD21, aluminium.
  • Hubs: XLC aluminium disc, quick release axle.
  • Front Axle: Quick release.
  • Rear Axle: Quick release.
  • Tires: Schwalbe Smart Sam, 54-622, reflective strip.
  • Weight: 22.3kg.
  • Manufacturer Warranty: 5 year warranty on frame.

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