IZUMI Super Toughness Track Chain

This is THE track chain.
NJS certified for professional Keirin racing in Japan, this indicates that these chains are built for long-lasting precision and made to extremely high standards.

FEATURES
1/2" x 1/8" standard
full bushings support precision rollers for a smooth, quiet ride
stretch-resistant CRO-MO steel
106 links (including NJS-stamped threaded connector link)