The Pro Tectic frame lock features a 8.5mm steel shackle.
With an extra wide aperture - 6.3cm wide and 10.8cm height clearance from shackle to top of lock body - the 4960 will accommodate a variety of tire/wheel sizes.
The case, 8.5mm shackle, and supporting elements of the locking mechanism are all made of special temper hardened steel
The locking mechanism is in the lock body for an easy connection to the optional accessory chains and cables.
The 4960 can be mounted to the bike using either the cantilever brake mount option with bolts holes or specific frame lock mount.
A spannband LH adapter (56240 2) for bikes without screw/bolt holes is available separately
