Birzman Chain Wear Indicator

The Birzman Chain Wear Indicator will let you know if your chain is worn before affects your shifting performance and more importantly before it damages components in your drive train. The Birzman chain checker is an essential tool that quickly and accurately shows when your chain reaches 0.75% and 1% of wear.

Specification:

• Material: CNC machined stainless steel.
• Indications: 0.5 / 0.75 / 1.0%.