49N Bikeguard Key 1218.

Features:
Corrosion-resistant Auto-locking key mechanism
12 mm Flexi-Weave cable is lighter, and harder to cut than standard cable
Self-coiling design for convenient storage
Quick-release attachment system, for easy transport
Easy to install low-profile mounting bracket, Velcro strap, and 3 keys included
180 cm cable length
Weight: 568 g