Park Tool - CC-3.2 Steel Chain Checker

Park Tool CC-3.2 Chain Wear Indicator

A simple steel go/no-go gauge for chain wear. One side shows 0.5%, the other 0.75%, the points where most chain makers say replace it. If the 0.75% side drops flat into a 5 to 10-speed chain, or the 0.5% side into an 11 to 12-speed chain, it's time. Long gauge with permanent markings. For SRAM Flattop and T-Type 12-speed chains use the CC-4.2.

Key Features

• Go/no-go gauge at 0.5% and 0.75%
• Steel with permanent markings
• Fits 5 to 12-speed derailleur chains
• Not for SRAM Flattop or T-Type chains

Specifications

• Gauge points: 0.5% and 0.75%
• Replace at: 5 to 10-speed: 0.75%. 11 to 12-speed: 0.5%
• Compatibility: Most 5 to 12-speed derailleur chains
• Not compatible: SRAM Flattop and SRAM T-Type 12-speed (use CC-4.2)

Specs can change without notice from Park Tool.