Odyssey Bluebird Chain - Single Speed 1/2" x 1/8" 112 Links Silver. Half-links allow for a more precise fit on the wide variety of gearing and chainstay length combinations out there. The Odyssey Bluebird Half-Link chain is built with proven chromoly link plates and hardened pins for greater durability.

Chromoly link plates

Hardened pins for greater durability

1/2 x 1/8 size