Alter Midnight Series cog
USA orders totaling $100 or more receive free shipping.
This applies to standard shipping in the contiguous 48 states and military APO/FPO addresses only. Oversized items are excluded from the free shipping offer.
All other shipping charges are shown in the cart before checkout. Free shipping does not apply to orders shipping outside the USA.
For complete information, please see our Shipping page.
Returns for eligible products are accepted within 30 days of the purchase date. Some exclusions apply.
For complete information, please see our Returns page.
Alter's Midnight Series cogs are machined from 7075 T6 aluminum and are available in sizes 15t-19t.
FYI: All track cogs have 1.370"x24tpi threading. ALL OF THEM. Any threaded cog can be used on any threaded track hub.
• standard 1.370"x24tpi English threading
• 1/2 x 1/8" only
• colors: purple, black
• weight: 21g-38.2g