Self-tensioning and self-centring 7 mm chain. The only one allowing a true reduced dynamic size by means of two automatic tensioners. Without metal components in touch with the rims.
- True 7 mm size, made of high quality hardened steel.
- No need for chain retensioning thanks to the automatic tensioning and centering device, easy and fast, equipped with finger protection.
- Clack&Go™Technology. Patented.
- Plastic housings for retaining the metal components.
- Without any parts that cut across the rim.