Kryptonite Keeper 5-S2 Disc Lock

As the creator of the original bicycle u-lock in the bicycle security category in 1971, Kryptonite has set the standard for premium quality security products.

Features:
Dual-reinforced, high security disc-style cylinder
Stapler style disc lock immobilizes vehicle to prevent roll-away or ride-away theft
Compact, lightweight and waterproof
5.5mm pin diameter fits smaller vent holes
Includes bright orange reminder cable to prevent riding away while disc lock is engaged
Includes 2 Stainless Steel keys, with ergonomic design to reduce the amount of torque, and keep them from bending or breaking
Key Safe Program

Specifications:
Product dimensions: 0.21" (5.5mm) locking pin diameter
Product weight: 1.24lbs (0.56kg)
Other fitment information:
1.63" (41.5mm) maximum distance for disc rotor insertion
0.24" (6.0mm) maximum disc rotor thickness to insert lock