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Old 31st August 2018, 12:19 PM
DaveyB DaveyB is offline
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Join Date: Mar 2008
Posts: 136
Default Drum brakes

Hi I've just come to fit my drum brakes having taken them out of the box with the bearings, suddenly struck me are they handed i.e. Near side / offside .or does it not matter ?
Any help greatly appreciated.

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Old 31st August 2018, 02:30 PM
jps jps is offline
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Join Date: May 2012
Location: Colchester, Essex
Posts: 428

I was under the impression that drum brake shoes operated in such a way that they are 'pulled on' once contact is made with the drum. I'd assume for that to be true they'd have to be handed for the effect to work on both sides. So if yours are an identical pair they cannot be handed, if one is a mirror image of the other they must be handed - and then it probably will matter which one goes on which side.

Disc brake calipers are handed but it doesn't matter which side they go on as the way they operate is the same regardless.
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Old 2nd September 2018, 06:25 PM
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twinturbo twinturbo is offline
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Location: Carlisle
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Not come across a pair of handed drums myself.

Sierra drums are certainly interchangeable.

You only get a woosh with a dump valve

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Old 3rd September 2018, 10:18 PM
Ianr Ianr is offline
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Join Date: Sep 2014
Posts: 230

The drums may be but the shoes are handed, lots of brake material on the leading shoe and not a lot on the trailing shoe
My build blog here http://ianhaynes20.wordpress.com
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