How do you tell when a chain is worn out

[maccy]

Just as the title really, are there any tell tale signs that let you know its time for a new chain, Preferably while it is still fitted to the bike.

[Glorian]

Not sure how you go about tightening yours. But on mine i have to push the wheel back (Nut and bolt) and when it gets to the end i either have to change the chain or remove a link. Also if the teeth on the sprocket are worn out thats a potential sign it's getting worn.

[Tango]

Looking at the rear sprocket see if you can pull the chain away from the sprocket at the 3 o'clock position...if you can then the chain is worn. Also check the tension of the chain at several points.....if there's a big difference between the tightest and loosest points it'll need replacing. Oh....and also check the sideways deflection of the chain in the bottom run.....too much sideways movement is also bad.....

[maccy]

Exactly what I needed to know, cheers.

When you say pull the chain away from the 3 o'clock position, should there be a bit of movement, or non at all? Currently I can pull it probably about 2mm off the rear sprocket.

[Tango]

A couple of mm is acceptable to me.....but no more than that.

[maccy]

Thats good, I dont have to worry yet at least.

Cheers Tango

Also Glorian, same method, but it no where near the end yet.

[Guest]

It"s knackered when you find it constantly needs adjusting. Up to that point it will hardly need any, then one day it turns into an elastic band!