120 D.I.D 520 ATV2 Chain

This chain is long enough for +2 extended swing arms and all sprocket combinations. Special oil seals produce 50% less friciton and 50-100% longer wear life than standard o-ring chains. 

130 D.I.D 520 ATV2 Chain

This chain is long enough for up to +8 extended swing arms and sprocket combinations up to 14-46. Special oil seals produce 50% less friciton and 50-100% longer wear life than standard o-ring chains. 

140 D.I.D 520 ATV2 Chain

This chain is long enough for up to +10 extended swing arms and most sprocket combinations. Special oil seals produce 50% less friciton and 50-100% longer wear life than standard o-ring chains.