Wheel scrubs ground while on stand

7516 Views 35 Replies 12 Participants Last post by roberthood, Apr 1, 2013

roberthood

Discussion Starter · Mar 11, 2013

Ok, so I noticed while I started cleaning my chain with the rear wheel suspended on the rear stand, in two spots, about 4-5 inches apart, the wheel scrubs the ground. As I turned it, it would lightly scrub in two separate spots right in the middle of the tire. Not enough to lock up the wheel, but enough to where you could see and hear it and obviously tell it was making contact with the garage floor. I know for a fact I never hit anything that would have caused any damage to the rim or axle so....any thoughts?

My garage floor is level. Tire pressure? I've never seen a wheel do this before, especially one that has never had any substantial impact.

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MotoMike

· #6 · Mar 11, 2013 (Edited)

From what you are describing, it would seem you have a defective tire... separated cords, allowing the tire to "balloon" in those spots where it's touching the floor.

How much clearance does the rest of the tire have in relation to the floor?

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MotoMike

· #11 · Mar 12, 2013

CBR_Dave said:
True, but a rear stand typically has quite a distance between the tyre and the floor. As a result, I would think it would have to be a pretty serious "flat spot" for parts of it to scrub?

Dave

I had the same thought... very strange considering most stands should lift the tire at least a half inch, or more off the floor.

If ever there was a need for pictures, or even better, a video showing the tire as it is rotating and making contact with the floor. How about it Robert?

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MotoMike

· #22 · Mar 14, 2013

Would have thought that we'd have heard back from the OP by now, regarding his wonky rear tire...

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MotoMike

· #28 · Mar 16, 2013

Maybe the garage was built on a fault line, and the floor suddenly buckled right underneath the rear tire while he was cleaning the chain?

Or maybe...

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MotoMike

· #30 · Mar 16, 2013

Aufitt said:
Seeing as most stands lift the wheel about 4 inches off the ground, I'm certainly keen to see the tyre.

Of course that's if he places the lifting blocks of the stand near the rear axle... if he is following the DudeMan's example (from his chain lube video) and lifting near the swing arm pivot axle...

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