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Tag Archives: rear derailleur

Hangers need to be flat and vertical to sprockets

Rear hanger alignment

A lot is expected of your rear derailleur. You want it to be a precise, instantshifting piece of kit even under pressure in a dirty environment. You need to be able to rely on it in all conditions and that’s why it pays to nurture your poor toiling derailleur. ...

Shimano Shadow derailleur

Servicing the rear derailleur

The rear derailleur does all the shifting work and dangles down close to the ground getting caught on twigs and picking up debris. It’s also the part that your bike lands on first if you crash on your right-hand side or drop the bike. If you have time to think when you’re crashing, drop the bike on the left – it’s far cheaper! ...

Fitting a new rear derailleur - Step 2

Fitting a new rear derailleur

There are many reasons you might want or need to change your rear derailleur. First of all, it might have snapped in a crash. Alternatively, it might simply have worn out from hundreds of gear changes. ...

Shadow rear derailleur

Rear derailleur varieties

There is a slightly bewildering array of derailleur options available, not all of which are intercompatible. Even when you’ve decided how much money you’re going to spend, it can take some thinking to work out exactly what you need. ...

Step - 2 - Adjusting the cable tension on standard rear derailleurs

Adjusting the cable tension on standard rear derailleurs

This is possibly the single most important adjustment that you will learn to make on your bicycle, and it’s not difficult. There are always clear signs when you need to adjust the tension of your rear derailleur cable. If the derailleur doesn’t respond to your shifter, if it shifts more than one sprocket when you click the lever or if the chain rattles and clatters as you shift, it’s time to look at your cable tension. ...

The best methods of adjusting the rear derailleur

The best methods of adjusting the rear derailleur

Adjusting your rear derailleur can be tricky. The same problem could have one or more different – but similar – causes. Your derailleur is going to need adjusting if it’s slow to shift up or down, if it changes gear all of its own accord when you’re innocently cycling along or if it rattles and clatters whenever you change gear. This is how you do it. ...

Slave to the rhythm the derailleur

Derailleurs

Derailleurs are cunning bits of kit. The way they work is simple: they take advantage of your pedalling action to move the chain smoothly from one sprocket to another. The name comes from the French for ’derail’ (pronounced simply ’de-railer’ or ’de-rail-yer’). ...