Third Eye Chainwatcher: Black
Third Eye Chain Watcher Chain Deflectors
- Prevents granny gear from over-shifting
- Prevents chain derailment when shifting to inner ring
- Adjustable hose-type clamp fits 1-1/8" to 1-3/8" round or oval seat tubes
- Front Derailleur Clamp: 28.6 (1-1/8") , 31.8 (1-1/4") , 34.9 (1-3/8")
