Description
If you are suffering poor shifting performance or chain skipping, the Park Tools can diagnose if your chain has stretched beyond its designed spec. The CC-2 is compatible with all derailleur chains. For 9 and 10-speed chains, replace chain at or just before the 0.75% readings. For 11 and 12-speed chain, replace at or just before the 0.5% reading. Check with manufacturer for specific replacement instructions.
- 0- and 11-speed compatible
- For the modern 9- and 10-speed chains, replace chain at or just before the 0.75% readings
- For the 11-speed chain, replace at or just before the 0.5% reading.