Made in Japan "Blue Chain" popular among a wide range of cyclists.
HKK New Vertex Blue is an NJS-certified chain with excellent durability and precision. The high quality chain is popular with not only Keirin racers, but track, fixed gear, and BMX riders. The color is dark-blue, which suits well with any bikes.
The HKK New Vertex chain has a bolt-nut connector. We recommend the RUNWELL chain tools for easy and quick maintenance:
FIXER , a flathead screwdriver and 6mm spanner combined tool
CHECKER for easy looseness check.