Surly Track Cog 3/32 X 17t Silver

Surly Track Cog 3/32 X 17t Silver is engineered for precision and durability on the track. Designed with 415 hardened chromoly steel, this cog ensures long-lasting strength and reliable performance. Its threading matches BMX freewheels at 1.375" x 24 tpi right-hand threads, making it compatible with single-speed rear hubs and BMX freewheel hubs, although it is optimized specifically for track hubs to guarantee optimal function.

• Constructed from 415 hardened chromoly steel for superior durability
• Standard 1.375" x 24 tpi threading for versatile hub compatibility
• Designed primarily for track hub use to maximize efficiency and safety
• Photo provided for color and material reference only