Retrogression stainless steel track cog
CNC machined from hardened stainless steel with a polished finish, these top quality cogs run very smooth, last a long time and look 100% incredible.
Sizes 17t-19t have slotted cutouts for weight savings.
FYI: All track cogs have 1.37"x24tpi threading. ALL OF THEM. Any threaded cog can be used on any threaded track hub.
• 1/2" x 1/8"
• standard 1.37"x24tpi threading
• sizes: 15t-19t
• color: polished silver