Fit A Bike’s Front Derailleur

Introduction

A front derailleur doesn't have much adjustment so getting it in the right position is important.

Step 1

Height - Fit A Bike’s Front Derailleur

Height

Set the front derailleur so that the outer plate of the derailleur cage – the metal plates that the chain passes through – is 2mm above the big chain-ring and lock it half-tight.

Step 2

Check - Fit A Bike’s Front Derailleur

Check

Work the front derailleur manually to check it won’t touch the chain-rings anywhere in it’s range of movement. In case of inteference raise the derailleur as little as possible to eliminate the clash.

Step 3

Horizontal Alignment - Fit A Bike’s Front Derailleur

Horizontal Alignment

Set the cage plates exactly parallel to the chain-rings.

Step 4

Lock the front derailleur - Fit A Bike’s Front Derailleur

Lock the front derailleur

Tighten the fixing or the clamp bolt to lock the front derailleur in place.