This plug-in chain’s 6 mm thick hardened steel links made of hardened steel provide additional security. Whether for component securing or for locking your bicycle to a fixed object, this TRELOCK plug-in chain is the ideal extension for PROTECT-O-CONNECT frame locks. The chain can be easily carried in the supplied bag.


  • Length 100cm
  • 6mm hardened steel links
  • Protective nylon sleeve
  • Extra security for ring locks
  • Also compatible with
  • Security level 3 out of 6
  • Brand Colour: Black
  • Size: 100 cm