electric motor clipped to bike could revolutionise cycling in london, says michelin - lithium ion battery cost

An electric motor that can be caught on a bicycle will soon be the answer to the London trek and mountain climbing.
Three kilograms of Michelin, wrapped in a hard plastic shell
The designed motor is located in a custom rear rack with a travel range of 31 miles.
The tire giant says the device will open up bicycles for thousands of commuters living in the suburbs and elderly people with poor capabilities --
Those who can't face uphill.
The removable motor can be unlocked in seconds.
The first example
Will be sold in the capital next spring
Will be complete, ready-
The bicycle produced in cooperation with the French bicycle giant mobilvia, under the Wayscral brand, costs about 1000 (£880). The retro-
Fit motor including tubular 200-
The gram rear aluminum bracket suitable for most bicycles will be 500 (£440)
Soon after.
It takes a few pennies to fully charge the battery in three hours, and Michelin is now looking for a London dealer.
The combined battery and drive unit has a recessed pinion that locks on a new custom edge
Michelin tyres-
There is no power cut.
It is classified as an "auxiliary power" device, so the rider still needs the pedal while benefiting from the lift.
No license is required for passengers. The retro-
Fit kit will include rear tires and sensors installed near the front chain gear and connected to the motor via a wire that will detect when the rider is briefly back
Pedal, turn the device on or off.
The Michelin driving unit, unveiled at the movin on sustainable mobile show in Canada, has a power of 250 watts and will drive the bike at 15 miles an hour.
It uses lithium.
Ion battery, working on a bicycle with a hub or derailed gear.
Geoffrey Lepoutre, product manager, said: "Our goal is to open bicycles to those who already have bicycles, but, maybe they feel that they can't ride all the way to the city, thus delaying the time for cycling to work.
It's easy to insert and close it in seconds with the key we provided and lock it in place.
Jonathan Lynn of Herne Hill Cycles said: "For those who have not decided to ride a bike so far, it may make a big difference.