HAIBIKE SDURO HardSeven 4.0 27.5 2017


Haibike SDURO HardSeven 4.0 27.5 2017


Product Description

FRAME  aluminium 6061, hydroformed, Gravity Casting Interface, disc brake Post Mount

DRIVE UNIT  Yamaha PW-System, 250W, 25km/h


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 RING  FSA, 38, steel

CHAIN GUIDE  Nylon directmount

BRAKE LEVER  Tektro HD-M285, aluminium

FRONT BRAKE  Tektro HD-M285, 180mm

REAR BRAKE  Tektro HD-M285, 180mm

TYRES  Schwalbe Smart Sam, 57-584

RIMS  Rodi FW Disc, with eylets, hollow rim, aluminium

FRONT WHEEL HUB  XLC aluminium disc, quick release axle

REAR WHEEL HUB  XLC aluminium disc, quick release

SPOKES  Sapim Leader, black

HANDLEBAR  Haibike Components TheBar + Topflat 720mm

GRIPS  XLC lock on grips Sport

STEM  Haibike Components TheStem +, A-head, Bar bore: 31.8mm, 6˚

HEAD SET  A-Head Tapered, ball bearing

SADDLE  Selle Royal Voga

SADDLE SUPPORT  Haibike Components TheSeatpost +, patent, 31.6mm

PEDALS  MTB plattform pedal, plastic

WEIGHT  21.4kg



The SDURO HardSeven eBikes are the optimal choice for those looking for an eMTB for easy terrain or tours. The attractive price-performance ratio make this series one of the most successful worldwide


The all new Yamaha PW unit is proven to be a powerful and reliable motor. Thanks to its Zero-Cadence system, it supports the rider from the first revolution of the crank. As one of the few motors available allowing a dual chainring, the Yamaha system is able to offer a broad range of gears providing more gear options out on the trails. Given its high maximum torque of up to 80Nm, its compact size, and its low noise, the Yamaha PW is one of the best eBike systems for sporty use.

yamaha pw motor
Yamaha LED display

The Yamaha LED display is a compact yet robust display and remote unit. Despite its small size, it provides the rider with all essential information. Positioned on the left of the handlebars, the remote is easily accessible​. Information available includes: the selection and display of the support levels (Off, Eco+, Eco, Standard, High), the current speed, the battery charge level, and the remaining range. The display also allows you to switch on and off of the main light.





Haibike SkidPlate

Conventional eBike motors sit low in the frame and run the risk of being damaged by strikes to the underside of your bike. In 2012 they introduced the SkidPlate, a simple protective element that effectively protects the motor from below.

Similar to a helmet, the SkidPlate protects the motor from damage and is strong enough to absorb even the hardest of strikes that would otherwise damage the motor.

Additional Information

Frame Size

35cm, 40cm, 45cm, 50cm, 55cm