Variable Pulley

Amongst other possible applications : Automatic gear bicycle.

 

 

 

Ideal for a bicycle :

- 100% smooth gear shift
- No axial room wasted, the whole system is as narrow as the belt (less than an inch).
- Light and simple command system
- No energy absorption to change gear
- No chain, no grease, no derailleur...

 

Easy to use by Mr. Jo :

- A simple switch to choose "sport" or "family".
- Onboard electronic manages parameters like :
....................... Tension of the belt
....................... Current speed
....................... Slope
-> The gear is set automatically, smoothly.