3rd Eye Chain Watcher Chain Deflectors. Prevents granny gear from overshifting Fits 1-1/8" to 1-3/8" round or oval seat tubes Item Specifications Front Derailleur Clamp 28.6 (1-1/8") Front Derailleur Clamp 31.8 (1-1/4") Front Derailleur Clamp 34.9 (1-3/8")

3rd Eye Chain Watcher Chain Deflectors. Prevents granny gear from overshifting Fits 1-1/8" to 1-3/8" round or oval seat tubes Item Specifications Front Derailleur Clamp 28.6 (1-1/8") Front Derailleur Clamp 31.8 (1-1/4") <td