Kryptonite - Evolution Series 4 1090 Integrated Chain

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Kryptonite - Evolution Series 4 1090 Integrated Chain

Availability: Out of stock

Stock #: 10173

Kryptonite's Evolution 4 chain lock gives you flexibility when locking up your bike, while still maintaining an 8 out of 10 security rating. It's backed by Kryptonite's $2,250 anti-bike-theft guarantee in the United States.


  • 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


  • Product dimensions: 35.5” (90cm) chain length
  • Product weight: 6.10 lbs (2.77 kgs)

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