Trimax THEX3340 The THEX3340 is a "T-HEX" maximum security chain 3 ft 3" (1 meter) in length with hardened 10 mm hexagon shaped links with a MAX40 disc U-lock. Hexagon shaped case hardened trip heat treated super chain. The MAX40 is a short shackle motorcycle disc cable U-lock in black with black sleeve over chrome shackle. TRIMAX cable U-locks are simply the strongest short shackle you can buy. The THEX3340 is ideal for securing motorcycles, bicycles, ATVs, watercraft, ladders, construction equipment, trailers and much, much more. Best when used with a TRIMAX premium U-Lock or with a TRIMAX ultra strength padlock. TRIMAX makes the world's toughest locks. Through value added engineering design, TRIMAX is committed to product innovation that holds up to the highest quality standards. TRIMAX provides maximum security for marine, trailer and tow, RV, performance truck, power sports and bicycle applications. Tested. Tough. TRIMAX..