BadgerSS-Pro chain.The ultimate Single Speed chain, superlight, superstrong.Lightweight cut-out link plates (inner and outer).Lightweight hollow link pins.Profiled link plates allow maximum cog wrap (as low as 9T).Straight plates give minimum chain stretch.Superstrong design with tensile strength of 1300Kgf.Black inner links, and White outer links.Tin 102L – 1/2 x 1/8″ (355g) Or 3/32″ (325g)