Tough 3T Manganese Steel (7 mm links)
Four-sided chain links resist cutting and leverage attacks.
End Link™ + Deadbolt Security
Patent-pending END LINK™ anchors the chain directly into a hardened deadbolt—removing a common weak point.
Pick & Drill-Resistant Lock Core
High-security disc cylinder for serious everyday protection.
Scratch-Safe, Weather-Ready
Durable nylon sleeve shields your frame and stands up to the elements.
Easy, Ergonomic Keys
Comes with 2 “I”-style keys that are easy to grip and turn.
Key Safe™ Program
Register your keys for quick replacements if they’re ever lost.
Size & Weight
• Chain length: 33.5 in (85 cm) — ideal for locking frame + wheel to a rack.
• Weight: 3.50 lb (1.59 kg) — solid security with manageable carry.
Who it’s for
City riders, commuters, and parents hauling cargo who want no-nonsense security that won’t chew up their paint.
Quick tip from JCBC
Pair with a small U-lock or cable for your second wheel when parking longer.