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.

Front derailleur cable adjustment.

Accurate front derailleur indexing is critical to maintaining fast fault free front shifting. Loosen the cable bolt and tighten the derailleur cable. Right above the derailleur is a thin cable clamped in place by a bolt or screw. If the derailleur cage is rotated too far from this position it will shift poorly.

Grip the top of the cable and pull up on it then loosen the bolt. If it needs adjustment make sure your bike is in its lowest gear so there s not too much tension on the inner wire. 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. If the derailleur mount is a clamp type its rotation can be changed.

Setting the inner stop. Disconnect the cable attached to the derailleur at the anchor bolt. Front derailleur rotational angle. 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.

To adjust a shimano front derailleur start by making sure it sits at 1 3 millimeters above the large chain ring. Generally the outer cage of the front derailleur should be aligned to the chain. Use a tape measure or a penny which is 1 5 millimeters to estimate the height. Pull the cable as.

The first step in adjusting your front derailleur is to see how far it swings in toward your frame. I show how to install and adjust a front derailleur including removing the old front derailleur. I also install a new shifter cable. The front derailleur cage should be approximately parallel to the chain.

The derailleur is usually attached to the bike frame the metal skeleton of the bike. This is a road bike bu.