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Gepida Thoris Tandem Electric Bike Bosch

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Who is this bike suitable for?

Three's a crowd, two's company! The Bosch eBike made for 2, we welcome the first ever Bosch tandem eBike. This electric assisted Bosch tandem bike is built around couples exploring the great outdoors and enjoying their time together. Essentially two trekking bikes combined this eBike is suitable for tarmac / mixed terrain, cycle paths and bridleway riding.                  

The tandem design is well thought out with numerous features. It offers value for money. If needed we anticipate we will receive a good level of service from Martin and his colleagues at the e- bikeshop. The Gepida is great, and does everything that we hoped it would do, with ease. So thank you, I would recommend the Gepida to anyone that enjoys tandeming.

New Features

This new Bosch powered tandem eBike is thoroughly thought out at every angle, to be both practical and comfortable for both riders to enjoy the great outdoors. 

The clever design allows both riders input to be maximised in accordance with the Bosch eBike motor on the front crank. As both riders add energy to the drive train; the Bosch also adds support depending on the assistance level set. 

Braking comes from Shimano hydraulic disc brakes which are effectively maintenance free, long lasting and a doddle to change pads. The extra braking performance from the hydraulics is required as the tandem tends to be heavier when loaded, so it's important to include good stoppers! 

Shimano Deore Disc Brakes on Gepida Tandem eBike

Front and rear brakes are operated by the rider at the front, but Gepida have added an extra rear brake operated by the pillion should they wish to slow on their own accord. A nice, well thought out touch.

Sram Dual Drive on Gepida Bosch Tandem

The front Magnesium Suntour forks add that level of comfort with the ability to lock it out if preferred on flatter terrain or climbing. It's dual lock out system is versatile for every rider across mixed terrain. 

Whilst we are on the comfort factor, both front and rear handlebars are mounted on adjustable stems so each rider can find optimum position. 

With this adjust-ability the rider can set the handlebar height as well as angle easily and therefore is not restricted to just one position. 

The Gepida Tandem eBike is geared towards touring with a full Shimano XT 10 speed drive train. This gives plenty of range both up and downhill.

This tandem Bosch eBike is offered with quick release wheels both front and rear, combined with a derailleur gear at the rear, it means the wheels can be popped off in a matter of seconds with ease. Making this Tandem easier to transport if required.

We see double wall alloy Rodi rims for extra strength whilst keeping the weight down. 

Built on Shimano hubs and wrapped with decent Schwalbe Energizer tyres which are designed for maximum grip whilst keeping rolling resistance to a low. 

More importantly they include the kevlar lining protection to prevent annoying punctures.

As a trekking style bike we see full length mudguards front and rear, a full lighting system designed and built around the Bosch eBike system.

Forget bulbs and batteries, these are fully integrated for a seamless look. We also see a pannier rack on the rear to carry those all important supplies.

Schwalbe Energizer Tyres on Bosch Gepida Tandem

All in all the Gepida Tandem is a well thought out electric bike. Built for 2 riders to explore together. It's totally unique and in fact the only Bosch powered tandem out there. We expect it to be popular with touring and leisure cyclists alike. 

Bosch Performance Line on Tandem eBike

Bosch CX & Intuvia eBike System

The new Gepida Thoris Tandem 2019 eBike features the latest Bosch Performance CX crank drive motor, so you can be sure it's fitted with the latest kit and setup for optimum performance. 

The new 250w CX system outputs 85Nm of torque & peaks at 500w! It certainly packs a punch, it will also offer up to 340% assistance on turbo mode. 

Featuring 4 levels of assistance & remember you can always turn the power off and ride it as a normal bike! 

This machine rolls just the same as a normal cycle. In fact the quality in the design, geometry & build make it a true performer! The Gepida Tandem features the new larger Bosch 500Wh PowerPack Battery for 2019 so you can be sure it's equipped for a full day in the saddle. 

Read more in depth articles on Bosch on our Blog information pages.

Whats included?


This 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.

Support on the Gepida Tandem eBike

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 for customers further afield using a laptop or PC connected to the internet, combined with our diagnostic equipment.

E-bikeshop is a UK Bosch 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. 

Free Electric Bike Insurance Cover

FREE 14 Days Electric Bike Cover

We've exclusively teamed up with Bikmo to offer 14 days free electric bike insurance when you purchase your new electric bike with

You'll be covered for eBike theft, accessories, crash damage, clothing/headgear, accidental damage, public liability and Bikmo will even cover the cost of getting you home as a result of damage or theft.

The perfect package to get you started with your new eBike without the need for any worry or hassle. Of course, you'll have the no obligation option to continue your insurance over after the initial period.

To get this exclusive special offer, simply tick the checkbox in the checkout. 

*You must meet all of the standard Bikmo eligibility criteria and understand the Bikmo locking requirements. You can find this info on the dedicated page here

Customer Reviews

Just thought I would up date you. Last good Friday we bought a Gepida Rodanus tandem from you, it is great, and has given us much more scope on the routes we can take, not having to worry about hills or winds, and we can do longer distances without being worn out, as our disabled daughter doesn't peddle a great deal.
We have had the tandem for about a year now and find it vary good , we are now in Spain for three months and are getting around vary well on it,when we get back to home we hope we will get a tree service on ,
Excellent friendly advice given by Martin; we purchased the tandem on first viewing just a few weeks ago and have enjoyed various rides across New Forest tracks and roadways. The power assistance does just what we wanted and the gearing is excellent.
We were very impressed with the service, and information that you gave us last summer when we came to view the Raleigh Motus, fitted with the Bosch electric system, so we purchased the one, which has not disappointed, in fact it is better than we had hopped.

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General Bike Specifications


Double Butted 6061 Alloy, Tandem Design


Suntour NCX-D Air, Lockout, 63mm travel

Rear Shock



Shimano Deore Disc Brakes with secondary passenger rear V Brake


Shimano Deore SL 10 Speed

Rear Mech

Shimano XT Shadow 10 Speed


Shimano Tiagra 10 Speed 11-34t


KMC Extended 10 Speed


Shimano Hubs on Rodi Rims Q/R


Schwalbe Energizer Plus 622 x 47c/50c


Gepida Alloy 620mm / 640mm


Adjustable Angle Stem


FSA no. 11, A-Head, semi-integrated


Alloy 31.6mm x2


Selle Royal Ariel Gel x2


30 kg

Electric Bike Specifications


Bosch Lithium Ionen 36 Volt, 500 Wh, with BMS Management


Bosch Intuvia Multifunctional Display with Push Assistance


Bosch Performance Line CX, Gen4, 36V, 250 Watt. 50 - 340% Assist, 85Nm


30-90 miles of power assisted range, depending on terrain

Further Information


The most frequently asked questions on this eBike -

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 Gepida Thoris Tandem is available in one size fits all frame. The frame size for the front rider is 53cm (20") and the passenger frame size is 48cm (18").

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?
No, the Gepida Thoris tandem 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 cannot 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 -


Tandem Geometry Chart - Gepida Tandem eBike Frame Geometry

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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.