The HKK Vertex Gold is one of the toughest track racing chains in existence.
This chain is black and gold, but the black appears to shine blue from certain angles, A side-effect of the hardening process the chain goes through during production.
NJS approved for use in Japanese pro keirin track racing!
Beautifully finished, super-tough race chain, with small NJS stamps on the chain links. This chain uses a bolt/nut quick-link system, like all NJS certified chains. You can instead choose to cut and install it with a chain cutter, though.
The Vertex Gold chain from HKK is the most popular chains amongst Keirin pro track riders.
The HKK Blue, Gold, and Silver chains are all essentially the same, apart from the colour finish and price.
106 Links - Included is joining Nut and Bolt.