Odyssey Bluebird Chain - Single Speed 1/2" x 1/8" 112 Links Silver MFPN=20437 5mm external width) aero rim

5mm external width) aero rim with a brake track that has color applied for a consistent appearance

5 Wall Dbl Side NMSW Color Silver Hole Count 36 Valve SV Weight 440g ERD 549 Extras

Impact resistant and flexible polycarbonate construction

New 3/8` square drive allows use with torque wrenches for proper adjustment of modern hubs

Odyssey Bluebird Chain - Single Speed 1/2" x 1/8" 112 Links Silver MFPN=20437 5mm external width) aero rimHalf 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 Links 112 Color Silver Half Link Chain Yes Defined Color Silver Quantity 112 Links