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since 2003

Electric Bikes

Winora Radius Plain

  • Frame type


  • Yamaha PW mid-engine with 250 Watt

  • Yamaha battery, 36V, 400Wh, lithium ion

  • Yamaha LCD display and push assistance

  • Sram iMotion 3-speed hub gear

  • The 90 ° rotatable TwistComp handlebar stem unit

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Set off, and enjoy a new freedom of urban mobility with the new compact electric bike from Winora. Everyday city riding and also extensive tours of the countryside are possible with this adventurous little bike. For maximum comfort and riding pleasure, high-quality components from renowned manufacturers have been used through out.


This well constructed e-bike has many clever hidden details to help the urban rider in it's use and storage. The handlebars rotate and the pedals be fold away making it 52% more compact, which is very space-saving in small apartments or garages. Thanks to the integrated built-in carrying function a central grip on the top tube, the Radius can also easily be carried to highest levels in a block of flats.




Winora RADIUS has the dynamic propulsion the Yamaha PW Motor, in combination with a 400 Wh Lithium battery to cover the whole metropolitan radius area of a City.

Not only does it have good grip and cushioning from the 20 inch balloon tires but there is also an ingenious minimalist chain-guard to keep your city slickers clean.


Another detail is the use of a Strengtex saddle from Selle Royal. This is made from a particularly robust material which makes the saddle resistant to the harshest external conditions.


The Judges of EUROBIKE AWARD said regarding the Winora Radius's GOLD award “This compact e-bike is good fun. It’s a zippy little vehicle to get around on, but requires little space to park, making it ideal for urban dwellers. Further bonuses include clever details, such as foldable components and a well-placed handle to carry it with.”  


  • Yamaha PW mid-engine with 250 Watt
  • Yamaha battery, 36V, 400Wh, lithium ion
  • Uncluttered multifunction Yamaha LCD display and push assistance
  • Sram iMotion 3-speed hub gear


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Technical Specifications

Frame shape Compact
Frame Aluminium 6061, hydroformed
Motor Yamaha PW, 36 V, 400 Wh
Battery Lithium Ion, 36 V, 400 Wh
Display Yamaha LCD
Fork Aluminium 6061
Gear Sram iMotion, 3-gear
Crank Winora Alu
Chain KMC X1
Rims Rodi FW-Disc
Tires Schwalbe Big Ben
Saddle Royal Arco
Seatpost Alu links
Handle Bar Endorphins XLC
Stem Speedlifter twist pro
Brake Tektro Auriga disc brake
Pedals F80 Faltpedal
Lighting Spanninga kendo; B & M Xeltec
Kick Stand Aluminum side stand, rear

Weight battery 2,95 kg
Weight charger 950 g
Weight 20.5 Kg
Available colours black

Quality Electric Bikes Supplier

First Class Service

We specialise in providing the best electric bikes and the smartest cycling accessories in the UK. We also offer the most responsive and knowledgeable after sales service.

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Finance Options Available

All our new bikes are available to buy with interest-free finance (typical 0% APR). You can ease the cost of ownership by paying a deposit and choosing one of our finance packages when checking out.

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Book a Test Ride

Sometimes it takes a test ride to understand what an e-bike can do for you. Please visit one of our showrooms or take a test ride with a local Kalkhoff owner who's also a demonstrator

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