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General Category => General Discussion => Topic started by: Ncdan on October 14, 2017, 04:44:11 PM

Title: Easy tire question, I promised 07
Post by: Ncdan on October 14, 2017, 04:44:11 PM
07 Calvin, my hand manual calls for a 170/80-17 but if you look at the spec chart on the bike on line it gives the tire size as 140/70-17. I ordered and received the 140/80-17. Is the 140/80 going to fit ok?
Thanks in advance in case a tire argument erupts:(
Title: Re: Easy tire question, I promised 07
Post by: oldbike54 on October 14, 2017, 04:56:01 PM
 Nope , the 80 series tire will cause the Calvin to explode , shredding into a brazillion little pieces .

 Or it won't cause any problems .

 Likely the latter  :laugh:

 Dusty
Title: Re: Easy tire question, I promised 07
Post by: Ncdan on October 14, 2017, 05:22:50 PM
Nope , the 80 series tire will cause the Calvin to explode , shredding into a brazillion little pieces .

 Or it won't cause any problems .

 Likely the latter  :laugh:

 Dusty
Dang Dusty, you bout gave me
A heart attack!
Title: Re: Easy tire question, I promised 07
Post by: guzzisteve on October 14, 2017, 06:31:48 PM
It's also ok to put a tube in it, then it will not explode. It may if you have burrs.
Title: Re: Easy tire question, I promised 07
Post by: Ncdan on October 14, 2017, 07:40:16 PM
Thanks steve but I already had the tube thing figured out.
Title: Re: Easy tire question, I promised 07
Post by: Arizona Wayne on October 14, 2017, 08:33:39 PM
The 140/80-17 rear tire is going to make your gearing a little taller (250 rpm) and make your speedo more accurate, while raising your seat 1/4" and your bike will lean over a little more on it's side stand, + give you a little more ground clearance when cornering.  Your rear tire should last a little longer too.  The taller tire should fit OK but you will lose a little clearance between the tire and the rear fender which shouldn't matter unless you ride 2up + a lot of luggage and then it might matter but not automatically, unless you have put softer rear shocks on the bike too.  :wink:
Title: Re: Easy tire question, I promised 07
Post by: Ncdan on October 15, 2017, 04:14:57 AM
The 140/80-17 rear tire is going to make your gearing a little taller (250 rpm) and make your speedo more accurate, while raising your seat 1/4" and your bike will lean over a little more on it's side stand, + give you a little more ground clearance when cornering.  Your rear tire should last a little longer too.  The taller tire should fit OK but you will lose a little clearance between the tire and the rear fender which shouldn't matter unless you ride 2up + a lot of luggage and then it might matter but not automatically, unless you have put softer rear shocks on the bike too.  :wink:
Thanks Wayne for the �good to know� information. I had checked my speedometer with the mile markers in the past and found it tso be 4 mph off, that explains it. The part about more lean in the side stand in not welcome as it�s a little challenge to get up at times now if on a grade. A little higher off the

ground don�t make much difference either way as ground clearance was not an issue, I had plenty and my legs are long enough to hadle another half inch. All good to know, thanks again!