Aerodoc Track Cog COG Size:16T making it suitable for all

making it suitable for all weather conditions and swimming

or Blackbird cyclocomputer in optimal viewing range

If you're serious about your fitness and want a reliable

Whether you ride during the day or night

Aerodoc Track Cog COG Size:16T making it suitable for allAerodoc Track Cog Precision Engineered Fixed Gear Sprocket The Aerodoc Track Cog is a high performance, precision machined fixed gear sprocket designed for track cyclists, urban riders, and fixed gear enthusiasts who demand smooth power transfer and lasting durability. Crafted from hardened chromoly steel, this track cog is built to withstand the intense torque and stress of high speed racing or everyday riding. Its accurate tooth profile ensures