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we developed these so that the axle nut maintains maximum thread engagement to limit axle thread damage
The low profile design minimises aerodynamic losses around the nut and dropout area
Material: Steel
In a world where every aspect of performance is measured and analysed
It's a common misconception that the teeth design is a skip-tooth system
HKK Vertex Track Chain Back Room we developed these so thatThe HKK Vertex Blue is one of the toughest track racing chains in existence. This chain is black, but appears to shine blue from certain angles. This is an eye catching side effect of the hardening process that the chain goes through during production. This chain is NJS approved for use in Japanese pro Keirin racing. It's one of the most popular chains amongst pro Keirin riders. Beautifully finished, super tough race chain, with small NJS stamps on