Halo Fixed Cog 1/8" 15t Silver MFPN=21159 Its intricately machined hubshell is

Its intricately machined hubshell is superlight while the 25mm tall rim has the inherent stiffness necessary for efficient riding and to precisely hold a line

8mm Rise 0 Deg Length 45mm Color Black

390mm deck height is intended for use with 700C and 29` frames

6-pawls with a 60-tooth drive ring for super fast engagement

With the all-new Genius

Halo Fixed Cog 1/8" 15t Silver MFPN=21159 Its intricately machined hubshell isCNC 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 15 Chain 1 8" Color Silver