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mrlmd1 · 01-04-2009, 10:35 AM

I have the Cheng Shin 120/80-16 on the front and it hasn't changed a thing that I can notice in the ride or handling.
Theoretically a narrower or wider tire, especially the front, will change the steering and handling characteristics of the bike - ie. very slight difference in turning radius going around turns or corners with a given amount of lean, but these offsize tires from what came with the GZ, the 110s or 120s, are only 1% different in width (10 mm, or 3/8" total width difference), so the rolling radius of the tire leaned over is not significantly different from stock and should make no difference at all in any riding characteristics. You must keep the 16" diameter, that's more important than changing 10 mm of total tire width, so go with anything, any good tire you can find in this range, and don't be too obsessive in finding only a very expensive and not necessarily better brand that's 110/90-16.

01-04-2009, 10:35 AM	#12
mrlmd1 Senior Member Join Date: Jan 2008 Location: Crawfordville, Florida Posts: 2,853	Re: yes, tires I have the Cheng Shin 120/80-16 on the front and it hasn't changed a thing that I can notice in the ride or handling. Theoretically a narrower or wider tire, especially the front, will change the steering and handling characteristics of the bike - ie. very slight difference in turning radius going around turns or corners with a given amount of lean, but these offsize tires from what came with the GZ, the 110s or 120s, are only 1% different in width (10 mm, or 3/8" total width difference), so the rolling radius of the tire leaned over is not significantly different from stock and should make no difference at all in any riding characteristics. You must keep the 16" diameter, that's more important than changing 10 mm of total tire width, so go with anything, any good tire you can find in this range, and don't be too obsessive in finding only a very expensive and not necessarily better brand that's 110/90-16.
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