Chain Wear Indicator TL-CN42

With the Shimano TL-CN42 chain wear indicator, wear can be measured accurately. Simple and fast in a unique way. The gauge measures chain length without space between the roller and pin by guiding the rollers in the same direction.

FEATURES

• High-precision laser-cut construction
• Unique 3-pin structure allows for accurate measurement
• Heat-treated stainless steel

Use

• Checks chain wear precisely, easily, and quickly