Wheelbuilding: Rim ...
 

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[Closed] Wheelbuilding: Rim ERDs, why the secrecy? (WTB I'm looking at you...)

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Has anyone else noticed how difficult it is to get hold of rim ERDs for wheelbuilding?

Maybe I've just been exposed to it a lot having built all my own wheels and done a few wheelbuilding classes, but it seems the best source is generally second hand information from other company's websites (i.e. DT/spocalc/wheelpro).

How difficult would it be for a rim manufacturer just to publish a discrete little table of ERDs for their rims? I've resorted to emailing WTB for info on their laserdisc trail rims but am not holding my breath...


 
Posted : 14/01/2011 10:18 am
 MSP
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They probably have poor quality control, and expect wheelbuilders to measure to allow for manufacturing discrepancies. Probably a good sign of a rim to avoid.


 
Posted : 14/01/2011 10:20 am
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Ah... well that certainly makes sense, although I hadn't thought of WTB rims as being particularly poor.

I wondered if perhaps they didn't want amateur wheelbuilders building their rims into wheels as failures might reflect poorly on the rim manufacturer (I noticed a review on CRC stating the Laserdisc rims were rubbish because the wheels kept buckling etc.).

Reason enough I suppose to measure them myself, bit of string with two spoke nipples on it? 8)


 
Posted : 14/01/2011 10:31 am
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My WTB rims had the ERD as part of the decal on the rim 😕


 
Posted : 14/01/2011 10:36 am
 ojom
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Got this?

I just logged a request for you at Hotlines as well. Answers may be forthcoming in a few hours.


 
Posted : 14/01/2011 10:36 am
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Can you find a pic on the web and zoom in. I thought WTB always printed it with their graphics, they have on my older Speeddisk AMs anyway.


 
Posted : 14/01/2011 10:38 am
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Or you could just measure the rims, it's hardly rocket science.


 
Posted : 14/01/2011 10:40 am
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They probably have poor quality control, and expect wheelbuilders to measure to allow for manufacturing discrepancies. Probably a good sign of a rim to avoid.

Flim-flam (tm)!

13FM just measure them, or even compare side by side with a rim you know. It's not rocket science.


 
Posted : 14/01/2011 10:40 am
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Just tried my own advice on CRC, can't read it but the text says ERD 542.(2011 rim)


 
Posted : 14/01/2011 10:45 am
 ojom
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Just confirmed 542.


 
Posted : 14/01/2011 10:50 am
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Haha! Don't I feel silly. 😳

The reason I wasn't measuring them is because I don't have them yet, I was preparing to order a job lot from CRC (spokes, hubs, rims) so wanted to know in advance.

I'd emailed hotlines, but based on past experience wasn't really expecting a response...

I didn't realise WTB printed ERDs ON the rims, I couldn't find any info in the document TBC linked above. Midlifecrashes, I was guessing 542 based on the most similar rim from 2002 on the spocalc calculator.

TBC, can you order those rims in? (the TSC ones). What sort of price/lead time would you expect?

Cheers all!


 
Posted : 14/01/2011 10:50 am
 ojom
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Ian - Monday for you, £31 each.


 
Posted : 14/01/2011 10:57 am
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CRC will do the measuring for you if you are ordering the rims and hubs off them


 
Posted : 14/01/2011 10:58 am
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Wahay! TBC! TBC! etc.

Suitably chastised, at least now I know where to look in future.


 
Posted : 14/01/2011 11:11 am
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[i]How difficult would it be for a rim manufacturer just to publish a discrete little table of ERDs [s]for[/s] on their rims? [/i]

fixed it for you 😉


 
Posted : 14/01/2011 11:15 am
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yes yes, very good 8)


 
Posted : 14/01/2011 12:02 pm
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I have the same problem with a Ritchey Pro Girder 28 Hole. Who imports them?


 
Posted : 14/01/2011 12:07 pm

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