Re: [CR]chain wear indicator

(Example: Production Builders:Cinelli:Laser)

From: "Tom Martin" <tom@wilsonbike.com>
To: "Wayne Davidson" <wayne.collect@xtra.co.nz>, "Classic Rendezvous" <Classicrendezvous@bikelist.org>
References: <20040204075017.JZRW11548.web3-rme.xtra.co.nz@[219.88.2.180]>
Subject: Re: [CR]chain wear indicator
Date: Wed, 4 Feb 2004 10:09:11 -0800


You can also you a 12" ruler:

for 1/2" pitch chains you count out 24 links, pin to pin, and that should measure 12". If it is any longer, then it is time to rerplace the chain, and maybe the freewheel if it is over 1/4". Old Fogeys, did I get that right?

Tom Martin
Oakland CA


----- Original Message -----
From: Wayne Davidson
To: Classic Rendezvous
Sent: Tuesday, February 03, 2004 11:53 PM
Subject: Re: [CR]chain wear indicator



> Hi all, I use a similar tool at work, measures chain stretch on forklift
> mast chains, it has a wear limit marked on it to indicate 3%, thats the
> limit on mast chains, different settings for the different chain types AL
> & BL, these chains are quite different to bike chians in that they donot
> allow for teeth, they are just bunch of sideplates pinned together,
> mainly 6 plates starting at 1" pitch and going up, JFYI........regards
> wayne davidson Invers NZ......