Pull inner wire with hand to increase tension to insure derailleur is against h screw. Shift to your leftmost rings.
The majority of front shifting problems can be solved with basic adjustments to the limit screws and index setting of the front derailleur system.
How to adjust front derailleur cable.
I also install a new shifter cable.
Shift the front derailleur to the middle gear and run through the entire range of rear sprockets to make sure the chain does not rub on either side of the front derailleur cage.
Make sure your front shifter is in the lowest gear position and pull the shift cable to eliminate any extra slack before tightening the cable bolt.
I show how to install and adjust a front derailleur including removing the old front derailleur.
Shift back to the middle front chainring and check the cage height.
Setting the inner stop.
To do this you must first shift the front derailleur to the innermost chainring and let the tension out of the front derailleur cable by loosening the small bolt that anchors the cable to the derailleur body.
This is a road bike but the process is the same on a mountain.
Repeat this process until the gap between the teeth on the outer chainring and the lower edge of the outer cage plate is about 1 2mm.
Set the outer limit screw to stop the derailleur cage from moving past the outer chainring.
Maintain full pressure on inner wire and check gap between chain and outer.
Then loosen the derailleur clamp bolt and shift the derailleur either up or down and re tighten the bolt.
Unclamp the bolt holding the derailleur cable in.
The first step in adjusting your front derailleur is to see how far it swings in toward your frame.
The video is a detailed tutorial showing step by step how to remove a front derailleur cable and replace it with a new one including all of the minor adjustments i hope you found this video helpful.
How to adjust a front bicycle derailleur resetting malfunctioning derailleurs reset your derailleur if it is hitting the chain rings bent or angled awkwardly.
Inspect derailleur for mark indicating h screw.
Shift to outermost sprocket in rear and outermost front chainring.
Loosen the barrel adjusters to relieve cable tension.
Indexing and managing cable tension in the front and rear derailleurs when time and miles have got the drive train shifting less than perfect.
How to adjust a shimano front derailleur making limit screw adjustments set the inner limit screw to prevent the derailleur cage from moving past the inner chainring.
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