Front Derailleur Cable Adjustment

I also install a new shifter cable.

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. If the derailleur mount is a clamp type its rotation can be changed. The derailleur is usually attached to the bike frame the metal skeleton of the bike. Front derailleur rotational angle.

As with all indexed gears good performance is down to properly adjusted front derailleur limits and zeroing in on the right cable tension. If the derailleur cage is rotated too far from this position it will shift poorly. Check that the front derailleur is parallel to the chainring and there is a gap of around 2mm between the top of the largest chain wheel and the bottom of the outer plate of the front derailleur. I show how to install and adjust a front derailleur including removing the old front derailleur.

Use a tape measure or a penny which is 1 5 millimeters to estimate the height. 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. This is a road bike bu. Disconnect the cable attached to the derailleur at the anchor bolt.

To adjust a shimano front derailleur start by making sure it sits at 1 3 millimeters above the large chain ring. Accurate front derailleur indexing is critical to maintaining fast fault free front shifting. Front derailleur adjustment is easy when you know how so follow our guide to set yours up in minutes. Grip the top of the cable and pull up on it then loosen the bolt.

The front derailleur cage should be approximately parallel to the chain. Loosen the cable bolt and tighten the derailleur cable. If it needs adjustment make sure your bike is in its lowest gear so there s not too much tension on the inner wire. Pull the cable as.

Generally the outer cage of the front derailleur should be aligned to the chain. The first step in adjusting your front derailleur is to see how far it swings in toward your frame.