Description

Engineered for track cycling enthusiasts seeking unmatched performance and durability, the Surly Track Cog delivers precision-engineered power transfer for high-intensity riding. Designed with BMX freewheel compatibility (1.375″ x 24 TPI right-hand threading), this cog seamlessly integrates with single-speed rear hubs and BMX setups—though we strongly advise against non-track applications to ensure optimal performance and longevity.

Key Features:
Forged from 415 hardened chromoly steel, this cog withstands extreme stress without flexing or wearing down over time.
18-tooth configuration provides responsive acceleration and smooth power delivery for track racing or endurance riding.
Universal threading simplifies installation on compatible hubs while maintaining structural integrity under heavy loads.

Feature Surly Track Cog Competitor Cog A
Material 415 Hardened Chromoly Alloy Steel
Thread Compatibility BMX/Track Hub Compatible Limited to Track Hubs
Durability High (Longer Service Life) Moderate
Recommended Use Track Racing & Single-Speed Conversions Track Only

Designed for riders prioritizing both power and reliability, this cog excels in scenarios demanding consistent performance—whether conquering velodrome laps or building a rugged single-speed setup for urban trails. While its threading allows cross-compatibility with BMX hubs, adhering strictly to track applications ensures peak efficiency and minimizes wear risks.

Note: Photo provided for color and material reference only.

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