Shouldered vs Non-Shouldered Rims?

DoctoRot
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11 Jul 2011 15:38 #462274 by DoctoRot

Shouldered vs Non-Shouldered Rims? was created by DoctoRot

OK, so this may be a total newbie question, but do certain tires need a shouldered rim? I understand the physical difference between a shouldered and non-shouldered rim, but I cant seem to find out if one is better than the other, or if tires are made specifically for one or the other. As far as I can tell, shouldered rims are mostly used for a vintage look. I"m looking to get some new rims, and want to fit the Bridgestone BT45 on them, do i need a shouldered rim for this? went to Bridgestone's site and it says nothing about shouldered or non-shouldered.

'78 1000 Long Term Project
'80 750G
750 Twin Big Bore Track Bike

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wireman
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11 Jul 2011 15:56 #462277 by wireman

Replied by wireman on topic Shouldered vs Non-Shouldered Rims?

id say its purely a matter of personal opinion

posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.

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martin_csr
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11 Jul 2011 16:15 - 15 Feb 2013 10:46 #462281 by martin_csr

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1981 KZ650 Competition Sports and Road

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M357.5
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11 Jul 2011 16:31 #462284 by M357.5

Replied by M357.5 on topic Shouldered vs Non-Shouldered Rims?

Are you refering to Akront style flanged/shouldered rims ?

If so, no you do not need shouldered rims to run BT45's
Shouldered rims do give a classic look but have no other advantage over non shouldered rims. If anything they are heavier and much more awkward to keep clean/polished.

83 KZ750L X2 + goodies = Project
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DoctoRot
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12 Jul 2011 13:50 #462463 by DoctoRot

Replied by DoctoRot on topic Shouldered vs Non-Shouldered Rims?

Ok, so I ended up calling Buchanan's Spokes and shouldered rims are just for looks. I read something in another thread about how a shouldered rim was needed to properly seat the tire, apparently it doesn't matter.

'78 1000 Long Term Project
'80 750G
750 Twin Big Bore Track Bike

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Proxy
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12 Jul 2011 14:46 #462471 by Proxy

Replied by Proxy on topic Shouldered vs Non-Shouldered Rims?

Is this what you mean by a shouldered rim?

I believe it is either a D.I.D. or a Buchanan's Sun Rim. I think it was stock on the 82 KZ650 CSR. I do like the look of it. Front matches. The guy I took it to did not like the back tire and rim locks one bit when mounting a new Bridgestone.

Take it from me cuz I found
If you leave it then somebody else is bound,
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When yours, it could have been.
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1977 KZ650 B1 Original (Red) Sold
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Patton
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12 Jul 2011 22:41 - 12 Jul 2011 22:45 #462557 by Patton

Replied by Patton on topic Shouldered vs Non-Shouldered Rims?

Attachment tubevtubelessrimtxt.JPG not found

Or ... Borani wheels for example

Good Fortune!

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KZ900 LTD

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Proxy
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12 Jul 2011 22:47 #462560 by Proxy

Replied by Proxy on topic Shouldered vs Non-Shouldered Rims?

AHA!

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wireman
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13 Jul 2011 01:58 #462588 by wireman

Replied by wireman on topic Shouldered vs Non-Shouldered Rims?

DoctoRot wrote: Ok, so I ended up calling Buchanan's Spokes and shouldered rims are just for looks. I read something in another thread about how a shouldered rim was needed to properly seat the tire, apparently it doesn't matter.

youre thinking of a tubed vs tubeless mag wheel.
the ribs on a mag wheel are inside where bead of tire seats onto rim on a tubeless rim

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DoctoRot
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15 Jul 2011 00:14 - 15 Jul 2011 00:22 #462934 by DoctoRot

Replied by DoctoRot on topic Shouldered vs Non-Shouldered Rims?

The way the lady on the phone at Buchanan's broke it down for me was that Excel offers both shouldered and non-shouldered rims, the only difference being looks because both will need a tube. Apparently back in the day a "shoulder" was added to the inside edge of the rim to give the rim extra strength. But I am definitely no expert.