The system that makes Driven a unique product was developed by Ceramicspeed in collaboration with the Department of Mechanical Engineering of the University of Colorado. In the absence of the chain, the drive is via a super-light shaft equipped at each end with a series of ceramic bearings. The shaft is mounted on the front toothed wheel and, at the rear, on a system of thirteen gears (leading to thirteen different speeds) arranged on a flat surface, which replace the classic sprockets of traditional bikes. Tests carried out by the company have shown a reduction in friction of 49% compared to the best chain and derailleur system currently on the market and an overall efficiency practically doubled. The only “defect” – if we can talk about a defect – is the price. The cheapest chainless bicycle model currently available in the Ceramicspeed catalogue is on sale at a price of just under $2000: saying goodbye to the old chain is still a luxury for a few!
First Chainless bicycle (Denmark)
Fastest
Efficient
Idea
Imagination
