Kmc hl710 chain the super smooth half link chain is the most reliable in the industry the perfect chain for maximum adjustability and great looks features size 12 x 18 links 104 pin length 95mm compatible with bmxfreestyle material nickel plated extra features half link design kmc chainsfor many years kmc has enhanced the technology behind bicycle chains through research development continuous innovation and valuable feedback from the worlds top professional racers kmcs pursu