CC-2 Chain Wear Checker

Product Information

Keeping an eye on chain wear is crucial for a smooth-running bike and to prevent premature wear on more expensive drivetrain components like cassettes and chainrings. The Park Tool CC-2 Chain Checker is your go-to tool for accurately assessing chain elongation, giving you precise, percentage-based readings without any guesswork. It's a straightforward tool that makes an essential maintenance task quick and easy.

This robust checker is compatible with a wide range of bicycle chains, from single-speed setups to modern 12-speed derailleur systems. Its durable construction ensures it will be a reliable staple in your toolbox for years.

Features

• Swing arm gauge with a clear viewing window for direct wear percentage readings.
• Measures chain wear in precise 0.25% increments.
• Compatible with most single-speed and derailleur chains, including Shimano XTR 12-speed.
• Constructed from laser-cut steel with permanent measurement markings for lasting readability.
• Requires no batteries or calibration, offering dependable, consistent results.
• Note: Not compatible with SRAM Flattop or SRAM T-Type 12-speed chains (requires Park Tool CC-4).

Specs

• Measurement Scale: 0% to 1.0% with marked increments at 0, 0.25, 0.50, 0.75, and 1.0.
• Recommended replacement threshold for 5-to-10-speed chains: 0.75% wear.
• Recommended replacement threshold for 11-to-12-speed chains: 0.5% wear.
• Recommended replacement threshold for single-speed chains: 1% wear.
• Material: Laser-cut steel.