American Classic Aero 420 Track 14T Cog For sale is a high-quality American Classic Aero 420 Track 14T cog. This cog is a great addition to any track bike and is compatible with standard hubs, ensuring reliable power transfer. Condition: Used, in good working condition. The cog shows minor wear but it doesn't affect its performance. The rear hub should be greased as it's a bit noisy, but it doesn't interfere with riding. This is a great option for training or as a spare part. Features: * Model: Aero 420 Track * Teeth: 14T * Material: High-strength alloy * Compatibility: Standard track hubs
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