SURLY TRACK COG

Surly California Proposition 65 

https://cambriabike.com/pages/warning-california-proposition-65

The Surly Track Cog is built for fixed gear applications, offering durability, reliability, and compatibility with a wide range of track hubs. Machined from SCM415 Chromoly steel and heat-treated for extra strength, it ensures long-lasting performance for both street and velodrome riding. The 7.4mm thread base provides maximum engagement with the hub while still allowing room for a track lockring.

KEY FEATURES

• WIDE THREAD BASE: 7.4mm wide for maximum thread engagement.
• VERSATILE COMPATIBILITY: Works with most English, Italian, and Japanese hubs, including Surly New Track Hubs.
• HIGH-STRENGTH MATERIAL: SCM415 Chromoly steel, heat-treated and chrome-plated for superior durability.
• CHAIN COMPATIBILITY: Designed for both 3/32" and 1/8" chains.
• MULTIPLE SIZES AVAILABLE: Choose from 13T to 22T to match your riding style.

SPECIFICATIONS

• MATERIAL: SCM415 Chromoly steel
• THREADING: Standard ISO-threaded (1.375" x 24 TPI)
• COMPATIBILITY: Most track hubs, including Surly New Track Hubs
• CHAIN WIDTH: Compatible with 3/32" and 1/8" chains
• AVAILABLE TOOTH COUNTS: 13T – 22T