The Izumi V Super Toughness is the single speed chain to end all single speed chains. The Super Toughness is NJS Certified because it can handle the rigors of Keirin race after Keirin race. It features a screw-nut master link that virtually eliminates the chance of you peeling your master link apart trying to mash up a hill or through some single track. The chain is made from CrMo steel and has GOLD outer plates with blued inner plates. Even the pins and rollers are designed to be as tough as can be.
If you're serious about your one gear bike and it is your number one ride, why not take some of that money you're saving not spending $500+ on a group set and get the best chain money can buy?
Made in Japan
Color- Gold, baby!
Chain Dimensions- 1/2 x 1/8"
Link Count- 106
Master Link- Screw and Nut Style