CNC-machined from hardened Cro-Mo steel for superior durability and performance
Available in seven rad colors for personalized style
1.37 x 24 TPI threading compatible with all threaded track hubs
Solid 15T and 16T cogs for maximum strength
Slotted cutouts on 17T and 18T cogs for reduced weight
Summarized by Shop
Gran Compe track cogs are CNC machined from hardened cro-mo steel and available in seven rad colors.
15t & 16t cogs are solid, 17t & 18t have slotted cutouts.
ⓘ All track cogs have 1.37"x24tpi threading. Any threaded cog can be used on any threaded track hub.
specifications
• 1/2" x 1/8"
• standard 1.37"x24tpi threading
• 15-18t
•
Material
Hardened Cro-Mo steel
Threading
1.37 x 24 TPI
Sizes
15T, 16T (solid), 17T, 18T (slotted)
Threaded
1/2 x 1/8 inch standard
Color options
Pink, Gold, Blue, Green, Red, Silver, Black
Summarized by Shop
4.9
8 ratings
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1
Rides smooth , quality built , looks so good in person too
Aaron · June 17, 2026
I'm absolutely stoked about this 17t Cog! I'm new to riding fixie and this has really made it easier learning to skid.. The gold color is also very subtle but clean