hardware chains
d.i.d 520erv3 gold race chain 140 link
ul br & x9 ; li high performance lightweight low friction chains designed exclusively br & x9 ; for racing li br & x9 ; li pins for er chains are put through a patented heat treatment process br & x9 ; that produces a surface 1.5 times harder than conventional carbon heat br & x9 ; treating li br & x9 ; li average tensile strength 8660 lbs li br ul