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Author Topic: Double beaded rims  (Read 578 times)

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Offline MD

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Double beaded rims
« on: February 13, 2022, 04:49:39 PM »
Hello,

Does anyone know of a spoke rim with the extra bead that is required by tubeless tires?

Thanks,

-MD

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1975 CB550F Super Sport;  Lake Superior Circle 1000, 45-90 Saddle 1000, All in Yooper 1000 and SS 2000 in 48 hrs:  1985 GL1200A, MN in State SS1K

Offline 69cb750

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Re: Double beaded rims
« Reply #1 on: February 13, 2022, 05:09:10 PM »
In 63 Harley introduced the safety rim with a bump to hold tire on rim in case of inner tube holes.
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Offline MD

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Re: Double beaded rims
« Reply #2 on: February 13, 2022, 05:41:13 PM »
That "safety bead" maybe the key search term.  Manufacturers wouldn't dare use the word tubeless for a tire rim that leaks air by design.

Thanks,

-MD


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1975 CB550F Super Sport;  Lake Superior Circle 1000, 45-90 Saddle 1000, All in Yooper 1000 and SS 2000 in 48 hrs:  1985 GL1200A, MN in State SS1K

Offline flatlander

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Re: Double beaded rims
« Reply #3 on: February 13, 2022, 10:53:32 PM »
excel takasgo, from 2.5 wide onwards.
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Offline MD

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Re: Double beaded rims
« Reply #4 on: February 15, 2022, 02:22:07 PM »
Quote from: flatlander on February 13, 2022, 10:53:32 PM
excel takasgo, from 2.5 wide onwards.

Flatlander,

Do you know of a model with 40 holes?   The highest count i am seeing is 38.

-MD
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1975 CB550F Super Sport;  Lake Superior Circle 1000, 45-90 Saddle 1000, All in Yooper 1000 and SS 2000 in 48 hrs:  1985 GL1200A, MN in State SS1K

Offline Don R

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Re: Double beaded rims
« Reply #5 on: February 15, 2022, 02:31:04 PM »
 I'd call Buchanans and ask them.
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Offline flatlander

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Re: Double beaded rims
« Reply #6 on: February 15, 2022, 11:10:05 PM »
yes, ask a good wheel builder.
i got them with 40 holes on my 550 hubs, through the builder who also laced them. they also did the tubeless conversion on them.
pics are here: http://forums.sohc4.net/index.php/topic,185154.msg2158838.html#msg2158838
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Offline MD

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Re: Double beaded rims
« Reply #7 on: February 16, 2022, 05:34:47 PM »
Quote from: flatlander on February 15, 2022, 11:10:05 PM
yes, ask a good wheel builder.
i got them with 40 holes on my 550 hubs, through the builder who also laced them. they also did the tubeless conversion on them.
pics are here: http://forums.sohc4.net/index.php/topic,185154.msg2158838.html#msg2158838

Thanks,
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1975 CB550F Super Sport;  Lake Superior Circle 1000, 45-90 Saddle 1000, All in Yooper 1000 and SS 2000 in 48 hrs:  1985 GL1200A, MN in State SS1K

Offline bwaller

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Re: Double beaded rims
« Reply #8 on: February 18, 2022, 07:48:12 AM »
I bought some wider DID alloy rims for the racebike. The 2.5 front has no beads but the 3.5 rear does. I installed an OutEx kit to save weight and that has been reliable. I have suffered a rear flat while racing and it gets your attention! I'm not really sure those beads would accomplish much anyway.
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