Halo Fixed Cog 1/8" 18t Silver MFPN=00.7018.171.000 Presta and Schrader compatible

Presta and Schrader compatible

Stability of the aero helmet is reinforced through ActiCage and In-Mold technologies

Can be flipped to provide either a 52 or 55mm chainline

Model Most Rear Shocks Description Air Valve Assy

The portability of a hand pump with the convenience of a floor pump style fold-down foot pad

Halo Fixed Cog 1/8" 18t Silver MFPN=00.7018.171.000 Presta and Schrader compatibleCNC machined steel track cog, 1. 37"x24tpi (right handed) thread, 1 2" x 1 8" teeth Choose aluminum or steel lockrings, sold separately (HL 3891 or HL 3899) Model Fixed Cog Description Threaded Track Cog Hub 1. 37"x24tpi Teeth 18 Chain 1 8" Color Silver