The Pro Tectic 4960 Chain provides an additional layer of security when using the Pro Tectic frame lock. Patented push-n-lock technology makes using this accessory chain a snap.
No separate closing of the shackle is necessary and allows the bike to be secured to a fixed object
The 6mm chain is made of special hardened steel and is 100cm long
Adaptable to all versions of 4960, 5850 and 5650
Opens up a lot of opportunities for locking the bicycle on to a fixed object