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Alter Midnight Series cog

$ 60.00

Alter's Midnight Series cogs are machined from 7075 T6 aluminum and are available in sizes 15t-19t.


FYI: All track cogs have 1.37"x24tpi threading. ALL OF THEM. Any threaded cog can be used on any threaded track hub.


• standard 1.37"x24tpi threading

• 1/2 x 1/8" only

• 15-19t

• colors: purple, black

• weight: 21g-38.2g