2018 Haibike Sduro HardSeven 4.0 Electric Mountain Bike

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Haibike Sduro HardSeven 4.0 Electric Mountain Bike

Manual   |   Specifications   |   Geometry  |  Fit Guide

What Haibike has to say about the HardSeven 4.0

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

The SDURO line features drive units by the ebike motor pioneer Bosch. Why does Haibike work with Bosch? Not only are they a leader in the motor sports industry, but their batteries are impressive: compact, powerful, reliable, and dynamic. 

Features & Benefits of the SDURO line

  • High-Strength Aluminum Frames: Haibike developed a custom high-strength frame platform for the SDURO line using a combination of special tube profiles, gravity-cast and hydroformed components. In other words, Haibike has created a precise, durable frame to handle high forces of impact and hard riding.

  • Gravity Casting Interface: This interface is incredibly stable, durable, and can be considered the heart of the bike. Molded using gravity-casting and x-rayed to monitor and eliminate air pockets, quality is in the design for Haibike.

  • Dual Sprocket: Equipped with a double chainring, this greatly increases the bike's gear range.

  • Automatic Suspension E:I Shock: The e:i shock is the e-bike world's first automatic suspension control. Within one tenth of a second, this system automatically adapts the rear suspensions shock to the current terrain conditions, meaning that your ride will be smooth and efficient without having to give it a second thought.

  • Display & Remote Control: The Yamaha system's detachable head unit is controlled via a separate remote control on the handlebar. Functionailities include: Power On/Off, the 5 riding modes (OFF, ECO+, ECO, STD, & HIGH). Monitor your trip distance, maximum speed, charge level, and more!

  • Zero Cadence: Riders will notice the assist as soon as they place pressure on the pedal. This makes hill starts and fast starts a breeze.


Haibike Owner's Manual

Haibike's Specs at a Glance

Frame Aluminum 6061, quick-release 5 x 135mm, disc brake Post Mount
Motor Bosch Performance CX, 350W
Display Bosch Purion
Battery Bosch PowerPack 500
Charger Bosch compact charger 2A
Fork SR Suntour XCR Air LO-R Lockout, air, Travel: 120mm, steel steerer tube 1 1/8", quick release
Shifting System Sram NX, 11-speed
Gear Lever Sram NX, trigger switch
Rear Sprocket Sram PG1130, 11-42 teeth
Chain Sram PC1110
Chainring FSA, 38, steel
Chain Guide Nylon directmount
Brake Lever Tektro M285, aluminum
Front Brake Tektro HD-M285, 180mm, aluminium
Rear Brake Tektro HD-M285, 180mm, aluminium
Tires Schwalbe Smart Sam, 57-584
Rims Alexrims MD21, aluminium
Front Wheel Hub Haibike Components TheHub ++
Rear Wheel Hub Haibike Components TheHub +
Spokes black, black
Handlebar Haibike Components TheBar + 720mm
Grips Haibike MTB Griffe
Stem Haibike Components TheStem +, A-head, Bar bore: 31.8mm, 7°
Head Set A-Head Alloy 1 1/8"
Saddle Haibike Components TheSaddle
Seat Post Haibike Components The seat post ++, patent, 31.6mm, aluminum
Pedals MTB Plattformpedal aluminum
Total Perm. Weight 120kg
Weight 21.4kg
Top Speed 20 mph
Charge Time ~4 hours
Distance per charge 25 - 60 miles



Frame Size XS S M L XL
Frame Height 35cm 40cm 45cm 50cm 55cm
Seat Tube Angle 73 73 73 73 73
Seat Tube Length 350mm 400mm 450mm 500mm 550mm
Seat Angle 73 73 73 73 73
Head Tube Length 120mm 125mm


135mm 140mm
Head Tube Angle 68 68 68 68 68
Top Tube Length 550mm 570mm 590mm 610mm 630mm
Chainstay Length 460mm 460mm 460mm 460mm 460mm
BB Drop -40mm -40mm -40mm -40mm -40mm
Wheel Base 1121mm 1131mm 1151mm 1171mm 1192mm
Stack 617mm  621mm 626mm 631mm 635mm
Reach 368mm 394mm 413mm 431mm 450mm
Stand-Over Height 0cm 0cm 0cm 0cm 0cm

Haibike Top Tube Clearance

Riding Terrain Top Tube Clearance (In.) Top Tube Clearance (cm)
Paved Surfaces Only 2" 5 cm
Unpaved Surfaces 3" 7.5 cm
Off-Road 4" 10 cm

You And Your Electric Bike: A Size Guide

Electric bicycles are incredible for a number of reasons - one of them being that they have multiple sizes and styles to fit a variety of riders. But, what is the right size? How do you fit to a standard diamond or step-through frame? Let’s break it down between the two frame sizes. Read more...

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