Rool'in company

Who are we?


Rool'in is a French company created in 2013, in international vocation. It capital is held in 26 % by the regional Bottom of co-investment of Ile-de-France, by 4 networks of business angels and by the managers, which permits to have a financial sustainability on long term.


Their investors were seduced by Rool'in:

- An intelligent and innovative product

- A distribution on a quality website and with a team dedicated to the customers

- Ambassadors' network: ready to share the rool’in experience


Today, Rool'in drive innovations in research and development which allow it to be a crucial actor in the market of electric mobility.

Why choose the market of the electric bike?


The company was created by two experimented entrepreneurs, stemming from domains of the energy and from the environmental communication. Our interest on the problem of the mobility in urban zones and outer-urban consolidated us in our desire(envy) to participate in this new stake.

The electric bike offers a great(tremendous) alternative of future to every type(chap) of travel(movement) of closeness at the same time on the practical and economic plan and also from the point of view of the environmental protection.

For the most made sensitive to the ecology, nothing prevents you from recharging batteries in the solar or wind energy, thanks to independent equipments which begin to be born on the market.

Our international vision

After a first design phase and a commercial setting-up on the national market, Rool'in opens on the international market in England and in Germany. How ? With the launch of a new generation of electric wheels, the SMART. Secondly other European countries will follow.

Rool'in concentrates all his efforts to bring to his customers a maximal and constant quality of service.

Your questions, our answers

I’m asking a question, I make a note

The Rool'in team will personally answer you by email.
If your question is of general interest for other users, it will be published, preserving your anonymity.

Choose your electric kit unerringly

To purchase your electric wheel to your bike, you must first choose the right size.
Here's how to know the size of your wheel: on the side of your bike wheels, you will find the indication of the diameter of the wheel is expressed in mm 495, 650, 700, or inches respectively 20 ', 26', 28 '. See figure below:
tailles roues anglais
Les vélos VTT  et vélo de femme reçoivent les kits de roue électrique 26 pouces. Les vélos de ville sont complétés avec des roues 28 pouces, les vélos pliables avec des roues 20 pouces.
La roue électrique vélo en kit est livrée entièrement équipée et s’installe en quelques minutes.
Vous pouvez aisément profiter des avantages de l’Assistance Électrique pour vos déplacements en ville ou à la campagne. 
Les sportifs apprécieront le fait que l’aide est débrayable.
Rool'in rend votre vélo high-tech, économique et performant. Roulez devient un jeu d’enfant.

ATVs and women bikes receive electric wheel sets 26 inches. City bikes are complemented with 28-inch wheels, folding bikes with 20 inch wheels.

The electric bicycle wheel kit comes fully equipped.

Sports lovers will appreciate the fact that the aid is disengaged.

Rool'in makes your high-tech bike, economic and efficient. Drive becomes a pushover.

The « SMART » model

Fourche Rool'in Smart vélo électrique


We invite you to read 3 measures to respect for a perfect installation:

- The distance down the fork should be 100 mm (you can play up to 8 mm on the distance of the fork with washers)

- And 82 mm to 105 mm from the bottom (you can play up to 8 mm on the distance of the fork with washers)

- The diameter of the fork lug must be 10 mm

And it's very simple:

1) Download the mobile application entitled "Rool'in" available on Apple store and the Play store.

2) Set the wireless speed sensor on the opposite side of the chain to the pedal crank. Assistance works as soon as you pedal.

3) Establish the connection between the sensor and your mobile device (see manual).

The app has additional features (average speed, mileage on a run, total distance, ...) and will become the indispensable partner of all your walks.

With this wireless system, the detection of your movements is amplified, the electric assistance is instantaneous and fluid.

Buy the Smart

The « Original » model

 Check measures at your fork as above in the section Version "SMART".

 In addition, the kit comes with 2 mounting options for the pedal sensor or sensor 



1) Adjustable clamp system
attache elastique anglais

2) System with elastic

- The magnetic disc (D) also requires a space of 4 mm to be able to insert between the edge of the bottom bracket and pedal by clipping directly.

Buy the Original

For more information on the electric wheel, contact us by phone at  01 42 04 52 33 or mail.