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Wheel bearing sizes

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Old 09-12-2009, 11:10 AM
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Default Wheel bearing sizes

I have found two very nice wheels for my RK but they are off a year later model. Mine are 3/4 " spindle and these are 1". I have been told that the wheel width is the same but what are the chances of replacing the bearings to suit the 3/4" spindle.
Does anyone have the O/D of the bearing so I can check the web for bearings?
Thanks in advance
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Old 09-12-2009, 11:18 AM
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Good info HERE for ya. I think they they are a 52mm OD but don't quote me.
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Old 09-12-2009, 12:31 PM
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Thanks for that , but I need the size of the 3/4" and 1" bearing so I can measure the difference.
I think I can machine up two cups in alloy to take the 3/4" bearing, failing that do the 1" spindles reqiure a 1" in the fork leg?

Last edited by bikehunter; 09-13-2009 at 01:32 PM.
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Old 09-12-2009, 06:11 PM
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ID = .75" OD = 2.0472" (52mm) Width = .8268" (21mm)

ID = 1" OD = 2.0472" (52mm) Width = .8268" (21mm)

They are made special for HD you wont find them at your bearing shop or on the web for sale although there is one China Co making them and they have an outlet in LA. You also see them on eBay.


WJB Bearings Inc. www.wjbbearings.com

DH559339 for the .75" and DH559339-1 for the 1"

Yes a 1" Axle (Spindle) requires 1" legs.
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Old 09-13-2009, 01:08 AM
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Just go the the dealership and buy the wheel installation kits for the year of your bike.

It's not a hard swap, seems complicated at first.
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Old 09-13-2009, 01:38 PM
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Quote:
Originally Posted by El Rey View Post
Just go the the dealership and buy the wheel installation kits for the year of your bike.

It's not a hard swap, seems complicated at first.
That is confusing as I have 3/4" fork legs so a spindle kit will not be a lot of use unless I had fork legs to take the new spindle, which may be another issue as the dampers are a bit different so are the legs different to the 1999 models?
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Old 09-13-2009, 02:09 PM
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What year is your bike? and what year did the rims come off of?

If your bike is 99 or older and the new rims are obviously from a 2000 or newer then they will not fit. Oh and BTW it's not a 1" id it's metric 25.4mm I believe.

Oops quick edit. They will fit but you will have to bring your front end up to a 2000 spec. 2000-2007 are the same geometry.
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Old 09-13-2009, 02:28 PM
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Quote:
Originally Posted by Pezz View Post
What year is your bike? and what year did the rims come off of?

If your bike is 99 or older and the new rims are obviously from a 2000 or newer then they will not fit. Oh and BTW it's not a 1" id it's metric 25.4mm I believe.

Oops quick edit. They will fit but you will have to bring your front end up to a 2000 spec. 2000-2007 are the same geometry.
Hi Pezz, What about the rear assembly, any extras like drive pulley etc. My bikes a 1999 model, the wheels are 2000. I cannot find any 1999 wheels in alloy show type. I have even asked my wheel builder for stainless rims in 16" and twisted spokes but can only supply alloy rims.
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Old 09-13-2009, 02:31 PM
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I could be wrong but I'm fairly sure you can change the bearings out from one wheel/axle size to another, most of them have the same outside diameter with only the inside (axle) size being differant. I know with the after market (RC-Performance, etc.) this is the way theirs are made.
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Old 09-13-2009, 03:23 PM
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Quote:
Originally Posted by bikehunter View Post
Hi Pezz, What about the rear assembly, any extras like drive pulley etc. My bikes a 1999 model, the wheels are 2000. I cannot find any 1999 wheels in alloy show type. I have even asked my wheel builder for stainless rims in 16" and twisted spokes but can only supply alloy rims.
The rear is different as well.
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