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Originally Posted by Ray9
(Post 23507294)
I wonder what modern engineering tests say about wider tires and average speeds.
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Originally Posted by Kai Winters
(Post 23509322)
Yikes! Is the wheel out of round? If so 'shimming is not the fix...the wheel needs truing to possibly solve an 'out of round' condition...perhaps not, depends on the wheel condition...if it is the tire is it seated correctly?
Using shims in the dropouts is a safety issue. You have reduced the area for the axle to seat in the dropout and under a 'load' it could shift its position and possibly come out of the dropout. You took a nap and dreamed of being back to 'engineering solutions for mechanical problems'...double yikes if your 'engineering solution' is shimming and reducing the contact area... |
Limited experience with 32's in cheap folders that came on a bike I bought. Plenty of clearance for them on the mixte that was wearing them.
Their knobby tread pattern really buzzes until about 11 or 12 mph. Their max pressure is 60 p.s.i., which feels slightly mushy and hoppy in the front. On my fast and light bike, 25 in front, and 28 on rear. The on-line weight/inflation calculators don't seem to be much influenced by actual rider in-put from what I can see. Those recommendations all come in a bit on the low side when it comes to handling, and ride feel. I get proper feel on the light and fast road bike going about 10-12 lbs higher per wheel. YMMV, of course~ just personal findings. -D.S. |
Originally Posted by JohnDThompson
(Post 23508260)
Tests suggest that for any given tire pressure and road conditions, a wider tire can be just as fast as a narrow tire, and offer greater comfort.
Re: fitting wider tires on your old road bike. Have you considered converting your wheels to 650B (584mm bead seat diameter)? That can often provide clearance for a wider tire than would fit with a 27" or 700C rim. Be aware you may have to get longer reach calipers for the brake pads to reach the brake track on the rim. |
Get a new bike and run larger tires. Larger tires and disc brakes are great. I broke my 2005 Madone frame. Through the warranty I got a Domane. It will run up to 38s without fear of rubbing even with a broken spoke. Or get a gravel bike like a Checkpoint I also have. Two bikes and three sets of wheels. Though the 45mm tires only fit the Checkpoint.
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Originally Posted by Leisesturm
(Post 23520879)
Not 'may', but will have to get longer reach calipers. Do you know of any quality 'long reach' sidepulls?
https://www.jensonusa.com/Tektro-R55...-Road-Calipershttps://cimg4.ibsrv.net/gimg/bikefor...6d53486f7d.jpg |
Right. Maybe 'quality' isn't exactly the word I should have used ...
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