How To Fix Front Derailleur Chain Rub. Use pliers to grab the cable pull it tight and tighten the cable clamp bolt. The shifters usually have a trim mode.
If there is no gap and chain is rubbing cage loosen L-limit screw 18 turn counter-clockwise. Were back with the second GCN Tech Clinic - revealing how youd best secure bar end plugs and what to do with a rubbing front derailleur. Rotate the pedal to check if its rubbing or not.
Check front index setting.
Use pliers to grab the cable pull it tight and tighten the cable clamp bolt. 3 Make sure front left shifter is in lowest position STI press little lever multiple times to make. For which screw the cage moves inward is the L-screw. Turn barrel adjuster counter clockwise.
