Kryptonite Evolution Series 4 1055 Mini 21 in.

SKU: 720018000792
The Kryptonite Evolution 4 1055 Chain Lock with Integrated Chains are for convenient bicycle protection in moderate to high crime areas. The hardened triple heat-treated boron manganese steel chains include 10mm six-sided links.

* To check in store availability: 

Available in store

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Delivery time: 1-9 Business Days


  • 10mm six-sided chain links made from 3T MANGANESE STEEL
  • Patent-pending END LINK DESIGN secures chain to hardened deadbolt eliminating critical vulnerability
  • HIGH-SECURITY DISC-STYLE CYLINDER is pick and drill resistant
  • Patented*, reinforced OVAL CROSSBAR LOCK HEAD
  • SLIDING DUSTCOVER protects and extends cylinder life
  • 3 STAINLESS STEEL KEYS – one LED lighted key with replaceable battery and 2 new, ergonomic ‘I” keys
  • Durable WEATHER-RESISTANT nylon sleeve prevents scratches
  • Key Safe Program
  • Patent D564339 (other patents pending)


  • Product dimensions: 21.5” (55cm) chain length
  • Product weight: 4.40 lbs (2.00 kgs)