XCH10-120EE 10mm hardened-steel chain with sleeve. Enlarged end to increase effective fit with XENA Disc-Lock Alarms, Bullett-Lock Alarms Series, XGA Ground Anchor and Claw disc-lock adaptors.  Length: 120cm Weight: 2,85 kg Maximum Security 10mm hardened-steel chain with sleeve. Enlarged end to increase effective fit with XENA Disc-Lock Alarms, Bullett-Lock Alarms Series, XGA Ground Anchor and Claw disc-lock adaptors.  NEW! 10mm hardened-steel loop chain with sleeve loops through enlarged end to double effective length. Half the weight, half the space of a conventional chain when you ride!