cordodor
Full Member
'79 SR500
Posts: 109
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Post by cordodor on Jul 10, 2007 12:27:55 GMT -5
it's amazing how the stealership tries to charge so much for everything... I called mine and they quoted me $130 for the rear, $110 for the front, and $30/tire for mounting and balancing. +TAX!
I just bought two tires on ebay from what looks to be a reputable seller, mawonline for $80 for the rear and $72 for the front with no tax and $15 shipping for both.
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cordodor
Full Member
'79 SR500
Posts: 109
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Post by cordodor on Jul 10, 2007 13:02:37 GMT -5
okay, so n00b here, but am i right in understanding that you need a tube w/ spoked wheels but not with the stock sr500 mags?
EDIT: okay, so I read that they're not made for tubeless tires.
are the tubes listed by colinjay correct for a 79 SR500 stock mag?
Rear tube 4.00/4.50 x 18 0.66kg Front tube 3.50 x 19 0.62kg
Also, is it best practice to replace the tubes every time you change the tires?
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Post by pablosrfivehundred on Jul 10, 2007 14:47:48 GMT -5
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Post by milkman on Jul 10, 2007 15:11:46 GMT -5
Tubes are cheap insurance in my mind. Have an intersting experience with rapidly deflating tyres and you could have bigger more expensive problems
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cordodor
Full Member
'79 SR500
Posts: 109
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Post by cordodor on Jul 10, 2007 15:24:55 GMT -5
Tubes are cheap insurance in my mind. Have an intersting experience with rapidly deflating tyres and you could have bigger more expensive problems well, since i'm not sure what the condition of the tubes in the bike are since I just bought it, I'll definitely go ahead an replace them this time.
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uk500
Junior Member
Posts: 47
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Post by uk500 on Jul 10, 2007 16:52:18 GMT -5
A "tell tale" for the age of the tube (which to some extent indicates the condition) is how shiney the valve stem is, I just had a new tube fitted at the front and the valve stem is very new and shiney,gleaming! The rear tyre was renewed by the previous owner just before I bought the bike but the valve stem is very dull and weathered so I'm sure he didn't replace the tube! With old tubes I've found that they were loosing a little tyre pressure every 3/4 days even after I renewed the valve cores, maybe deterioration due to porosity or something? Get a trustable quality tube ( not Chineese then ) and a good metal valve cap (to safeguard against valve core blow outs, and makw sure they balance the wheel with the cap on. You know I didn't know it was possible to say that much about a tube, lol :-) Cheers,,,John
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Post by colinjay on Jul 10, 2007 17:41:38 GMT -5
I always fit a new tube every time I fit a new trye, as Milkman said, its cheap insurance.
CJ
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cordodor
Full Member
'79 SR500
Posts: 109
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Post by cordodor on Aug 10, 2007 15:20:23 GMT -5
when i bought my bike, it had a front tire on the rear. 100/90r18. I took the bike in to have the new rear installed and he said the front had a good bead on it and that it didn't have a tube on it, so I probably wouldn't need the tube that i bought for the rear. I said okay, you're the pro. He installed my rear w/o a tube. shortly afterwards, the tire went flat while sitting on its center stand in my garage. I have a feeling the larger 120mm rear didnt' get the same solid bead the smaller tire got, and therefore I needed the tube. He installed the tube for free and everything was cool, but moral of the story is... 1979 mags really are not made for tubeless tires.
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Post by StewRoss on Aug 11, 2007 5:16:45 GMT -5
No...the other thing is that if it goes like that when you're riding it may well cause you to come off. Not a pleasant thing...I know I've done it a few times...heh, heh... SR
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