Swing arm sprocket bolt clearance issue

Started by tonkoshala, July 19, 2009, 10:27:22 AM

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tonkoshala



You can hear a slight rub on the swing arm from the bolt. What do I do here? I would use my old space, but there is NO room. It was a PITA fitting the wheel on as is.

Speeddog

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erkishhorde

Did you leave off that conical spacer or put it in backwards?
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tonkoshala

#3
Quote from: erkishhorde on July 19, 2009, 03:03:14 PM
Did you leave off that conical spacer or put it in backwards?

All three spacers are in tact. I removed the wheel and reset the outer sprocket spacer. I have enough clearance from the swing arm with the sprocket carrier, but now I cannot get the wheel to fit.  [bang] The part that houses the rear break will not let the wheel go on. Is this a common problem? I would like to find a better solution than cutting the bolts. But the wheel will not fit in place unless I push the spacers all the way down.

corndog67

Do you still have the original wheel setup sitting around?  If it was me, I'd assemble everything on the old wheel, then measure through the inside of the axle hole from outer edge of the wheel spacer, to outer edge of the opposite wheel spacer, with a precision scale, get the overall width, then I'd lay a straightedge across the top of the wheel spacer on the sprocket side, and measure from the top of the sprocket screws to the edge of the spacer.   Then assemble the BST wheel, and do the same thing.  If those wheels were supposed to be for the bike you've got them on, those measurements should be pretty damn close, I'd say within .010 or so.   If they are different, start measuring parts and figure out why.   

ducpainter

Quote from: corndog67 on July 19, 2009, 03:50:03 PM
Do you still have the original wheel setup sitting around?  If it was me, I'd assemble everything on the old wheel, then measure through the inside of the axle hole from outer edge of the wheel spacer, to outer edge of the opposite wheel spacer, with a precision scale, get the overall width, then I'd lay a straightedge across the top of the wheel spacer on the sprocket side, and measure from the top of the sprocket screws to the edge of the spacer.   Then assemble the BST wheel, and do the same thing.  If those wheels were supposed to be for the bike you've got them on, those measurements should be pretty damn close, I'd say within .010 or so.   If they are different, start measuring parts and figure out why.   
Hmmmm....

modifications and math...

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Norm

If it's close, just drive the brake bracket in with something soft.

corndog67

I got to thinking about this today, and I should have suggested also measuring from a straightedge across the top of the spacer, to the edges of the rim, check both sides against the stockers.   At least you  would know if you are in the ballpark as far as everything being in line with the front wheel.