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 What about a fat tire lowracer?
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carolina
recumbent guru

USA
590 Posts

Posted - 11/20/2017 :  12:46:15  Show Profile  Visit carolina's Homepage  Reply with Quote
Can you chime in about a neighborhood fat tire lowracer build? I donít know enough.

Two 20Ē tires unlike my other.

velosRus.com

Edited by - carolina on 11/20/2017 12:48:07

purplepeopledesign
recumbent guru

Canada
685 Posts

Posted - 11/20/2017 :  13:24:06  Show Profile  Reply with Quote
Fat slicks are much faster than people expect them to be, on both straightaways and corners.

:)ensen.

Those who claim to be making history are often the same ones repeating it.

Video of my trike
http://www.youtube.com/watch?v=MdSLRD_2vzc
Photos of my trike
http://www.flickr.com/photos/purplepeople/
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Larry Lem
human power expert

South Sandwich Islands
2524 Posts

Posted - 11/20/2017 :  14:50:42  Show Profile  Reply with Quote
Fat 26" slicks slowed my dual 650c midracer down by about a minute an a half on a half hour TT. But they are comfier (can run lower pressures without worry). And the wider front tire consumed a bunch of space that decreased my usable steering angle in low gears.

I would use them for comfort on bikes where speed is not a priority and there isn't any potential chain interference.

Larry Lem
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purplepeopledesign
recumbent guru

Canada
685 Posts

Posted - 11/20/2017 :  20:54:29  Show Profile  Reply with Quote
Larry... did you pump them to 100 psi or like most, just comfort pressures. Unlike most, I like my slicks very hard... but you probably already knew that.

:)ensen.

Those who claim to be making history are often the same ones repeating it.

Video of my trike
http://www.youtube.com/watch?v=MdSLRD_2vzc
Photos of my trike
http://www.flickr.com/photos/purplepeople/
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carolina
recumbent guru

USA
590 Posts

Posted - 11/22/2017 :  08:07:55  Show Profile  Visit carolina's Homepage  Reply with Quote
Fat tires are around 8 lbs..

velosRus.com
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Speedbiker
human power expert

USA
3754 Posts

Posted - 11/22/2017 :  10:08:40  Show Profile  Reply with Quote
Plus, if it is a true lowracer your legs have to reach around that fat tire and fork.
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purplepeopledesign
recumbent guru

Canada
685 Posts

Posted - 11/23/2017 :  12:00:14  Show Profile  Reply with Quote
I agree that there are peculiar disadvantages for fat high pressure slicks. My experience suggests that speed is not one of them.

Reaching around front forks is always hard for short legs like mine. Width is less an issue as steering angles at speed are so close to zero that the real clearance problems come from axle width and the bulk of the fork legs. Chain clearance to sidewall can be an issue for short direct drives but is easily mitigated for RWD or twist FWD by outboard idler placement. Of course larger is heavier.

But you go larger for it's advantages. Bigger overall diameter for smoother ride over rougher surfaces. The diameter increase also shows an extra tooth or two in your gearing. Wider contact patch for better lateral grip. Fat casing is less prone to pinch flats. Some people like the aesthetics.

:)ensen.

As an aside, I found that kids relate better to fat tires, as do adults that like their toys to be motorized.

Those who claim to be making history are often the same ones repeating it.

Video of my trike
http://www.youtube.com/watch?v=MdSLRD_2vzc
Photos of my trike
http://www.flickr.com/photos/purplepeople/

Edited by - purplepeopledesign on 11/23/2017 12:01:23
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