Surly Track Cog 3/32 X 18t Silver

Surly Track Cog 3/32 X 18t Silver offers precise compatibility and durability for track cycling enthusiasts. Crafted from 415 hardened chromoly steel, this cog ensures long-lasting strength and reliable performance under demanding conditions. Its threading matches BMX freewheels (1.375 x 24 tpi right-hand threads), allowing it to fit on single-speed rear hubs and BMX freewheel hubs, though it is optimized specifically for track hubs to provide optimal efficiency and safety.

• Made of robust 415 hardened chromoly steel for enhanced durability
• Thread size: 1.375" x 24 tpi ensuring secure fitment
• Designed primarily for track hub applications for best results
• Photo is for color and material reference only