P121 Half Link Chain. 1/2"x1/8", 半目鏈條.
→1/2"x1/8" →Pin Length:9.30MM →Tensile Strength(Min.):1200kgf →Pin Power(Min.):200kgf →Color of Plates(outer/lnner):DK Blue/DK Blue →Compatible:Single Speed Bikes,Track Bikes, Free Style