Front Derailleur Cable Adjustment

As with all indexed gears good performance is down to properly adjusted front derailleur limits and zeroing in on the right cable tension.

Front derailleur cable adjustment. 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. Be sure to read this dealer s manual thoroughly before use and follow it for correct use. Setting the inner stop. The derailleur is usually attached to the bike frame the metal skeleton of the bike.

The first step in adjusting your front derailleur is to see how far it swings in toward your frame. Accurate front derailleur indexing is critical to maintaining fast fault free front shifting. If it needs adjustment make sure your bike is in its lowest gear so there s not too much tension on the inner wire. If the derailleur mount is a clamp type its rotation can be changed.

To adjust a shimano front derailleur start by making sure it sits at 1 3 millimeters above the large chain ring. Right above the derailleur is a thin cable clamped in place by a bolt or screw. Use a tape measure or a penny which is 1 5 millimeters to estimate the height. I also install a new shifter cable.

I show how to install and adjust a front derailleur including removing the old front derailleur. Loosen the cable bolt and tighten the derailleur cable. Pull the cable as. Front derailleur dura ace fd r9100 ultegra fd r8000 105 fd 5801 fd r7000 procedures for cable tension adjustment and top adjustment differ from those of previous models.

Generally the outer cage of the front derailleur should be aligned to the chain. Front derailleur rotational angle. Front derailleur adjustment is easy when you know how so follow our guide to set yours up in minutes. This is a road bike bu.

Grip the top of the cable and pull up on it then loosen the bolt. Disconnect the cable attached to the derailleur at the anchor bolt.