30 - 80 Power
30 - 80 Power
Yamaha PW 250w
Crank Drive System
up to 15 mph
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With 100mm of travel, this hard tail electric bike for 2017 is the entry level model within the Haibike sDuro range. The HardSeven 4.0 2017 eBike is built on cost effective components without compromising quality. It is designed for the eMTB'er who wishes to take on some of the local trails. It is suitable for XC / Trail use. This eBike also be used as a clutter free commuting electric bike.
Expectations exceeded! This might be the 'entry level' Haibike, but its hugely impressive; 900km miles in I absolutely love riding it.... so much fun!
For a limited time only we are offering an upgrade to the multi-functional LCD controls from the standard Yamaha LED display. The LCD display / controls have many more functions over the standard LED unit. Available for a limited time only for £119.99.
To opt for this special offer upgrade Select 'Upgrade LCD' in the selection above. Limited time only, while stocks last.
|LED Display||LCD Upgrade|
|Select MPH / KPH|
|USB Charge Socket|
|Eco + Mode|
The 2017 Haibike sDuro HardSeven 4.0 is available in 2 colours and a vast array of sizes. Suitable for both him and her, this entry level hard tail offers a versatile bike at incredibly good value.
Offered with a Shimano Altus 9 speed gear system, with fast acting trigger shifter's and front chain guide.
Featuring the Yamaha eBike system and 400Wh battery, this bike is great for getting out and exploring the great outdoors.
The 100mm travel Suntour front forks are both lightweight and comfortable. With air adjustment depending on the riders weight and a full lockout function it can be fast and nimble where require or opened up for superior comfort.
The 27.5" wheels are made up of XLC disc hubs which are quick release front and rear, these are laced onto Rodi disc specific alloy double wall rims and Sapim double butted spokes. A strong but lightweight wheel set, perfect for your everyday biker in 2017!
On the 2017 sDuro HardSeven 4.0 we see the Tektro hydraulic disc brakes front and rear with larger 180mm rotors for increased stopping power.
Although the entry level model sDuro, Haibike have also managed to squeeze a decent set of Schwalbe Smart Sam tyres into the equation.
These tyres offer decent off road grip but don't pick up too much resistance on tarmac or hard pack terrain.
Finished with lightweight alloy stem and wide 720mm bars, the 2017 HardSeven 4.0 comes in at just 21kg!
Couple this with a Selle Royal Voga saddle and XLC sport lock-on grips it's comfortable too.
The new Haibike sDuro HardSeven 4.0 is powered by the latest Yamaha electric bike system. Haibike has partnered with Yamaha to bring a brand new line of sDuro eBikes, this powerful 250w motor offers up to 280% assistance and peaks at 80Nm of torque.
The power curve comes in early and is responsive as soon as you touch the pedals. The assistance is set in 3 levels - 'Eco', 'Standard' & 'High'. This allows the user to fine tune the amount of assistance required during the ride offering complete flexibility and control.
On this model Haibike have equipped the smaller LED control which sits to the side of the handlebars offering parameters like speedometer, range meter and battery capacity.
The Haibike sDuro Hard Seven 4.0 2017 eBike is offered with the 400Wh Yamaha battery to give a full day's ride time. The Yamaha eBike battery can be quickly recharged in a matter of hours using the smaller shell quick charger.
You can learn more / read reviews of the Yamaha eBike system on our blog pages.
This electric bike comes fully set-up by our workshop technicians. You can be sure that every aspect of the eBike has been dialled in for optimum performance. All our electric bikes arrive with a user manual, keys, charger & free follow up service within 3 months.
Our electric bikes also include a 5yr warranty on the frame, 2yr warranty on all the electrics & 1yr warranty on the components. In the event of a problem, we handle all warranty claims in-house. We can also offer worldwide support.
E-bikeshop is a UK Yamaha Electric Bike Service Center and our in house workshop is now exclusively reserved for our own eBike customers. We also have parts / spares to hand should they be required.
*Range is dependant on many factors inc rider weight, wind, hills, terrain etc. For a better estimate, please use our range calculator.
Alu 6061, Hydro Formed, Gravity Casting Interface
SR Suntour XCM RL, 100mm
Tektro HD-M285 180mm
Shimano Altus Rapid Fire 9 Speed
Shimano Acera 9 Speed
Sram PG920, 11-34 Teeth, 9 Speed
KMC X9 9 Speed
XLC Disc Hubs on Rodi FW Rims QR
Schwalbe Smart Sam 27.5 x 2.25
Haibike sDuro Bar 31.8mm 720mm
Haibike TheStem 31.8mm
A-Head, Alloy, Tapered
Alloy Straight Post, 31.6mm
Selle Royal Voga
Yamaha Lithium Ionen 36 Volt, 400 Wh, with BMS Management
Yamaha LED 3-Way Digital Main Display Switch
Yamaha PW Crank Drive 36V 250 Watt. 100 - 280% Assist, 80Nm
30 - 80 miles of power assisted range, depending on terrain
These questions relate to this bike. You can find a full F.A.Q on general eBike & website questions by clicking here.
What sizes is this bike available in?
The Haibike sDuro HardSeven 4.0 2017 is available in frame sizes - SOLD OUT.
Is this bike in stock now?
The stock status is shown at the top of this page next to the price. If the stock level is shown as 'Pre-Order' this means it is a new model arriving soon, you can see an expected date at the top of each bike description.
Are there any colour options?
The sDuro HardSeven 4.0 2017 electric bike is available in the 2 colours show above. Please select the colour in the options and you will see the image change.
Where can I find a geometry chart of this bike?
You can find the geometry chart of each bike by clicking on the 'Downloads' tab of each bike.
Where is this bike made?
MADE IN GERMANY
Can I try the bike before I buy?
Yes of course, you can visit, we can talk you through your riding style and requirements and offer expert advice as to which model to select. We will be able to advise particular eBikes and talk them through in more detail. We also give you the opportunity to ride crank drive bikes so you can get a feel for them prior to purchase.
At e-bikeshop we work by appointment only, so we can talk to each customer on an individual basis to give the best advice possible. If you like the bike, you have the option to take it away there and then with any accessories selected fitted and a full fitting session on the bike itself. We ask you to go for a short ride on the bike to make sure you are happy with the setup and also able to answer any operational questions you may have.
Huge variety in stock ready for collection today or delivered assembled to your door next day.
Renowned support from in house trained/qualified technicians, don't believe us? Read our reviews.
Join our growing owners club with exclusive events & rides every month throughout the UK.
Exclusive access to spares in stock & delivered within 24 hours. Remote support via diagnostics.