SDURO HardNine 4.0

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This e-bike is great if you want an adventurous ride or smooth commute. Overall, this bike is a complete package. The impact-resistant plastic of Haibike’s original light weight SkidPlate helps prevent damage and scratches to your e-bike. This e-bike is powerful with dynamic support up to 20mph and allows for dual chainring. The Yamaha motor is beautifully integrated into the frame for slick and smooth riding. The small Yamaha LED display shows just enough information about your ride to complete your riding experience.

Brakes: Tektro HD Hydraulic Disc Brakes 180mm Front and Rear

Assist: Pedal

Seat: Selle Royal Voga

Speed: 20 Mph

Manufacturer's Warranty: 5 Years Frame/ 2 year Electronics/ 1 year Components

Frame: aluminium 6061, Hydroformed, Gravity Casting Interface, Tapered Head Tube, disc brake Post Mount

Drive Unit: Yamaha PW-System - USA, 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 steerer tube 1 1/8", quick release

Shifting System: Shimano Acera M3000, 9-speed

Gear Lever: Shimano Altus M370, rapidfire

Rear Sprocket: Sram PG920, 11-34 teeth

Chain: KMC X9

Chainring: FSA, 38, steel

Chain Guide: Nylon directmount

Tires: Schwalbe Smart Sam, 57-622

Rims: Alexrims MD21, aluminium

Front Wheel Hub: XLC aluminium disc, quick release axle

Rear Wheel Hub: XLC aluminium disc, quick release

Spokes: black, black

Handlebar: Haibike Components TheBar + Topflat 720mm

Grips: XLC lock on grips Sport

Stem: Haibike Components TheStem +, A-head, Bar bore: 31.8mm, 7˚

Head Set: A-Head Tapered, ball bearing

Saddle: Selle Royal Voga

Seat Post: Haibike Components The seat post ++, patent, 31.6mm

Pedals: MTB plattform pedal, plastic

Weight: 21.6kg

Total Perm. Weight: 120kg

Wheel Size: 29"


  • Silver/Neon Green Matt


  • 40 cm Small
  • 45 cm Medium
  • 50 cm Large
  • 55 cm Extra Large