How To Install Shimano Front Derailleur. In addition front derailleurs are made for either 7 8 9 or 10-speed chains but they can often be used interchangeably. Z 5 mm hexagon wrench 2 H L A-B z B A Adjust the low adjustment bolt and align the flat portion of the chain guide outer plate parallel to the flat surface of the largest chainring.

How To Install Front Derailleur. The end of the outer casing which has the aluminum cap should be at the derailleur side. Before installing the new front derailleur apply some waterproof grease to the mounting bolt.
Install the front derailleur as shown in the illustration.
Always be sure to install the backup plate in order to prevent damage to the frame from the pressure applied by the support bolt of the front derailleur. Before installing the new front derailleur apply some waterproof grease to the mounting bolt. The end of the outer casing which has the aluminum cap should be at the derailleur side. Aluminum cap Plastic cap Aluminum cap 4mm Derailleur side When the chain is in any of the position combinations shown in the table the chain and sprocket may come into contact and generate noise.

