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Anybody who had a rim without tire?

  #1  
Old 02-18-2011, 06:03 AM
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Default Anybody who had a rim without tire?

Hi,

Anybody who can throw an empty rear wheel on the scale. I am debating if should buy a fancy OZ rear wheel for my F4 race bike or I could settle with a cheaper f4i. The fancy bling bling OZ weighs 5,08kgs so if the difference isn't to big I think I will save some cash and go f4i.

Thanks
 
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Old 02-21-2011, 03:03 PM
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About 6kg for a standard f4i rear wheel if anybody else needs this info!
 
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Old 02-21-2011, 03:05 PM
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That's about 13.2 lbs for us goofy non-metric folk.
 
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Old 02-22-2011, 03:02 PM
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A 1kg (2.2lb) difference can be a really big difference depending where the weight is located. The number you should be interested when looking at rotating parts is mass moment of inertia. That being said, I don't know if that info is easy to find.
 
  #5  
Old 02-27-2011, 09:24 AM
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I think that piece of math is more that my head can understand!

I know I have lost a good deal of unsprung mass.

Rear wheel is 1 -1,5kg lighter
Cush drive is 600g lighter

Last think would be to change the rear brake disc to a lighter one, but I'm not sure my skill would benefit a couple of gram's more weight loss.
 
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