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Haibike sDuro HardNine RC 2015 Yamaha

£2,299.00 Sold Out

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Who is this bike suitable for?

With 100mm of travel, this hardtail electric bike is the entry level model within the Haibike sDuro range. The HardNine RC 2015 eBike is a real all rounder that is capable of most XC / Trail use. Its similar to the Bosch powered xDuro RC29 of last year which was a decent hard tail 29er trail bike but we also found many people using it as a clutter free commuter. The sDuro comes in at a lower spec and price for budget orientated pockets. 

Utterly brilliant! I found this amazing solution - just pedal and select the assist you need with the wide range of gears - really easy and YES IT WORKS! - some of the routes I used to do became too much but not now - thanks e-Bike shop Haibike and Yamaha.

New Features

So the new Haibike sDuro HardNine RC 2015 eBike offers more features and a bigger wheel size than the HardSeven. We upgrade to the RockShox XC32 fork with 100mm of travel and remote 'poploc'. 

This enables the rider to remotely lock out the front fork from the handlebar controls so riding up hill and across flatter terrain is made effortless with minimal energy consumption.

Interestingly this is the first model within the sDuro and in fact the whole Haibike range (and most of the world) that offers the 2 x 10 speed drivetrain on a crank driven eBike. This uses a Shimano front mech on the new Yamaha drive. 

Haibike have opted for a Shimano SLX rear mech and 10 speed cassette so this offers a fantastic 20 speed system. 

New Shimano SLX Mech on sDuro eBikes

The wheels are built using XLC Evo disc hubs with a 15mm through axle and quick release on the rear. Combine these with the Rodi double wall alloy rims gives a good 29" wheel which is capable of rolling fast and is strong enough to take some trail abuse.

Haibike sDuro HardNine features Tektro Disc Brakes

To grip the wheels to the floor Haibike have opted for the Schwalbe Racing Ralph tyres which roll very well both on and off the tarmac without picking up too much resistance. 

The HardNine uses a custom hydroformed frame with internal cable routing so it looks clean but is also unlikely to allow any snags to the cabling.  

The HardNine 2015 uses Tektro hydraulic disc brakes for minimal maintenance and fuss but with 180mm rotors for advanced stopping power. All in all the HardNine is a well specc'd little bike that is sure to be popular across mixed uses. We rode one of these recently in Germany and it was very responsive but comfortable where it needs to be. 

Haibike sDuro range? 

The new Haibike sDuro range is focused on the younger generation. With the age range of people using eBikes getting younger and younger the sDuro electric bikes are all equipped with the Yamaha eBike system offering a more affordable system to younger people.

The prices, styling & design reflect this and the bikes start at a lower point and only go up so far. The xDuro range then crosses over and takes the component level further for more advanced riders. The sDuro range was developed for riders in the age range of 20-30 to offer a new level of eBikes to the next eGeneration. 

Haibike sDuro features the new Yamaha eBike system

Yamaha eBike System

The new Haibike sDuro HardNine RC 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. 

You can read the full review of the Yamaha eBike system on our blog pages here

The Yamaha system uses a 400Wh battery with an assisted range of up to 80 miles. The Haibike sDuro HardNine RC eBike is offered with the largest 400Wh battery to give a full days ride time. 

 It can be quickly recharged in a matter of hours and the new LCD display shows not just how much capacity the battery holds but also the predicted range in assisted miles. 

 Learn more about the Yamaha eBike system on our Blog here.

Whats included?

This bike comes fully set-up by our workshop technicians. You can be sure that every aspect of the eBike has been dialed in for optimum performance. On all suspension models, be sure to let us know your weight as we can pre adjust the suspension to the desired rider weight, giving the perfect balance and agility specifically for individuals needs. All our electric bikes arrive with a user manual, keys, charger & free follow up service.

Warranty Support on the Haibike HardNine RC

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. 

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.

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General Bike Specifications


Aluminium 6061, 29", hydroforced tubes, Yamaha Motor Interface


Rock Shox XC32, Turn Key, PopLoc, suspension: air, Damping: oil, travel: 100mm


Tektro Gemini, hydraulic disc brake, 180mm


Shimano Deore, SL-M 610, Rapidfire, I-Spec

Rear Mech

Shimano SLX M 675 Shadow Plus, 20-gear

Front Mech

Shimano Deore M611 Direct Mount


Sram PG 1020 11-36 Teeth, 10 Speed


KMC X10e 10 Speed


XLC Evo Disc Hubs, Rodi Alloy Double Wall Rims & Sapim Spokes Front 15mm T/A


Schwalbe Racing Ralph Performance, 29x2.25, Presta valve


sDuro Lowriser Aluminium


sDuro Aluminium, A-Head


FSA No. 57, A-Head, semi-integrated, tapered


Sduro Alu 31,6mm, Alu Patent, clamp with QR


Selle Royal Sirio


21.1 kg

Electric Bike Specifications


Yamaha Lithium Ionen 36 Volt, 400 Wh


Yamaha multifunctional display with operation unit & walk assist


Yamaha Crank Drive 36V 250W


40-80 miles range, cost to charge from flat - 5 pence

Further Information


The most frequently asked questions on this eBike -

The below questions relate to this bike. You can find a full F.A.Q on eBike & website questions by clicking here.

What sizes is this bike available in?
The Haibike sDuro Hard Nine RC is available in the following 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 a better date at the top of each bike description, it is highlighted in a grey box. You can order a bike for pre-order. Once the checkout has been completed we will take a small deposit, then settle the balance when the bike becomes available. 

Are there any colour options?
No, the Hard Nine RC bike is only available in the colour shown.

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?

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. 

If you can't find the answer you are looking for, please do not hesitate to get in touch.
Remember you can find a full F.A.Q on general electric bike & website questions by clicking here.

The following links will open PDF files in a new tab -


Yamaha eBike System Overview - Yamaha eBike System Overview

Winora Bike Manual - Winora Group eBike Manual

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Finance Options

The prices below do not include any additional products, product options or shipping costs.
To pay by finance select the finance option during the checkout process.
Finance is only available for UK residents.

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The above values are best estimates, Final pricing will be confirmed on the V12 Retail Finance application. The UK Electric Bike Company Ltd is registered in England and Wales 08775019. Registered office: 12 Borelli Yard, Farnham, Surrey, GU9 7NU. The UK Electric Bike Company Ltd acts as a credit broker and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. The UK Electric Bike Company Ltd is authorised and regulated by the Financial Conduct Authority. Our firm reference number is 659966. Credit provided subject to age and status.