Rims

Racing K Models

Rims

Postby JerrryR » Mon Feb 13, 2017 2:57 pm

Hi All,
Some friends of mine contacted me about some early rims they have. Are these standard K rims or do they have something to do with racing? The stamping on the rim ends in 52 KR?
Thanks,
JerryR

19 Rear 43010-52KR rim with 41017-55 Hub (2)cropped.jpg
19 Rear 43010-52KR rim with 41017-55 Hub (2)cropped.jpg (153.47 KiB) Viewed 3657 times


19 Rear 43010-52KR rim with 41017-55 Hub (5) cropped.jpg
19 Rear 43010-52KR rim with 41017-55 Hub (5) cropped.jpg (135.98 KiB) Viewed 3657 times


Rim.JPG
Rim.JPG (46.29 KiB) Viewed 3657 times
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Re: Rims

Postby mikeslemmon » Mon Feb 13, 2017 3:18 pm

could it be a rear rim ?
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Re: Rims

Postby JerrryR » Mon Feb 13, 2017 3:22 pm

I don't know Mike, I thought maybe as you that it could simply be saying K model rear rim or does the "R" imply something with racing?
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Re: Rims

Postby EKHKHK56 » Mon Feb 13, 2017 3:36 pm

Sure appears to be a -52 KR rim laced to a later -54 hub. Interesting. I'll check my KR book tonight. Not sure what the difference might be...maybe width but don't think so. I'll check around. :D
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Re: Rims

Postby EKHKHK56 » Mon Feb 13, 2017 3:51 pm

Talked to my buddy Jay with 4 KRs he raced in the day. He says they may have stamped KR as they were heading to go on a KR? No idea really. I can't think of any difference between the K and KR 19" steel rim. He's going to pull some spare rims just to see how they are stamped.
Last edited by EKHKHK56 on Tue Feb 14, 2017 1:44 am, edited 1 time in total.
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Re: Rims

Postby ambike » Mon Feb 13, 2017 7:40 pm

The difference is due to the spoke angle.
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Re: Rims

Postby Simon » Mon Feb 13, 2017 10:40 pm

I always thought these were just stock K rims. Don't the fronts have "KF"? Please correct me if I'm wrong.
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Re: Rims

Postby EKHKHK56 » Tue Feb 14, 2017 12:53 am

None of Jays other rims have KR stamped. Spoke angle is definitely different front to rear. Front is same style as WL with the half brake. Are you saying the spoke angle is different between K and KR besides the half brake type? Most of my -30 rims are stamped with part# & KH not for "K" bike but for Kelsey Hayes the maker.
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Re: Rims

Postby hayleyl » Tue Feb 14, 2017 1:28 am

Hello all - R for rear and F for front - (R is not for 'race' or F is not for 'flat-out') this is so nipple seats align correctly with high or low hub flanges. Correct seat angles give better surface area purchase for the nipples optimising torsional strength. Plenty of British rims and early motocross rims have these prefixes. Just my two cents worth. Cheers Hayley.
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Re: Rims

Postby EKHKHK56 » Tue Feb 14, 2017 1:42 am

So "K"Rear possibly. Maybe it's supposed to be KH for Kelsey Hayes like others I have stamped that. Monday morning, the KH factory worker grabbed the wrong stamp...? :D
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