Kryptonite menawarkan kunci sepeda baru seri Evolution Lock seri 4.

Ada 3 model dengan panjang rantai berbeda, Mini 55cm, 90cm dan 160mm. harga dimulai dari $66 - $99. Kunci sepeda Evolution Lock memang berat tetapi kuat, mencapai 2kg.

  • 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
  • Anti- Theft Protection: US & Canada Bicycle $2,250; US & Canada Powersport $750; UK Bicycle £1,000