Halo Track Fixed 1.29x24t Sprocket Lockring

For correct fixed use, the fixed sprocket should NEVER move on the hub when pedal force is applied in both directions. If the sprocket moves, then something is wrong.Continued use with a fixed sprocket that moves will result in damage to the hub.Features:Precision CNC machined.2 dog type.L/H thread - 1.29"x24TCr-Mo steel in chrome plated finish.Larger point of contact with hub for increased security.