CST, a world leading company in the production of air chambers and bicycle covers following the most served quality standards. The product is renowned for its exceptional quality and for maximum estate.

CST is the most popular air chamber for your bicycle.

Most thick and ultra tear -resistant rubber rooms, scratch -resistant and durable in use, are equipped with a high quality valve that retains more pressure.
Compared to full tires, it has a good damping effect. 100% compatible with your tires. The room is comfortable and simple to install and detach.