KRYPTONITE

5mm, four sided chain links made from hardened carbon steelHardened locking pin provides additional holding powerWafer style cylinder offers resistance from picking and drillingDurable weather resistant nylon sleeve prevents scratchesIncludes 2 new ergonomic keysKey safe program replaces lost keys (after registering through kryptonite)5mm2`8`/81.25cmKeyBlack4 of 10

7mm four-sided chain links made from 3t manganese steelPatent-pending end link design secures chain to hardened deadbolt eliminating critical vulnerabilityHardened deadbolt design provides extra holding powerHigh security disc-style cylinder is pick and drill resistantDurable weather-resistant nylon sleeve prevents scratches7mm4`/121.92cmKeyBlk5 of 10

 9.5mm four-sided chain links made of 3t manganese steel Protective nylon webbing with hook-n-loop fasteners to hold cover in place and prevent scratches to bike frame  Hardened Steel bodied Padlock with 2` x 11mm hardened steel shackle Retained shackle side allows chain to be carried around waist High security Pin-style cylinder 2 ergonomic keys with coiled wrist key chains 9.5mm 3`3`/99cm Key Blk/Org 7 of 10 ...

 10mm six-sided chain links made of 3t manganese steel Weather resistant nylon sleeve prevents scratches to painted finishes Pin-less link design secures chain to hardened deadbolt Includes 3 keys: 2 new `I` keys and one with a high-intensity LED light 10mm 1`9.5`/54.6cm Key Blk/Org 8 of 10

 10mm six-sided chain links made of 3t manganese steel Weather resistant nylon sleeve prevents scratches to painted finishes Pin-less link design secures chain to hardened deadbolt Includes 3 keys: 2 new `I` keys and one with a high-intensity LED light 10mm 2`11.5`/90.16cm Key Blk/Org 8 of 10

 10mm six-sided chain links made of 3t manganese steel Weather resistant nylon sleeve prevents scratches to painted finishes Pin-less link design secures chain to hardened deadbolt Includes 3 keys: 2 new `I` keys and one with a high-intensity LED light 10mm 5`3`/160.02cm Key Blk/Org 8 of 10

 4mm chain housed in a protective fabric sleeve Intended for low risk areas and youth bikes Longer version of the Keeper 410 2 keys included 4mm 3`6`/106.7cm Key Blk 1 of 10

 4mm chain housed in a protective fabric sleeve Intended for low risk areas and youth bikes 2 keys included 65cm / 25.5 inches in length 4mm 2`1.5`/64.77cm Key Blk

 The mini version of the popular Keeper 785 Lightweight for easy transport at only 2 lbs 7mm four-sided chain links made from 3t manganese steel New end link design secures chain with hardened deadbolt Hardened deadbolt design provides extra holding power High security disc-style cylinder is pick and drill resistant Durable weather-resistant nylon sleeve prevents scratches 7mm 1`9.5`/54.6cm Key Blk 5 of 10 ...

 Four-sided chain links made of 3t manganese steel  End pin-link design secures the chain with a hardened deadbolt Pick and drill resistant 7mm 2`9.5`/85.09cm Key Blk 5 of 10

 Four-sided chain links made of 3t manganese steel  End pin-link design secures the chain with a hardened deadbolt Pick and drill resistant 7mm 2`9.5`/85.09cm Key Red 5 of 10

 Four-sided chain links made of 3t manganese steel  End pin-link design secures the chain with a hardened deadbolt Pick and drill resistant 7mm 2`9.5`/85.09cm Key Gry 5 of 10