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 What about a fat tire lowracer?

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carolina Posted - 11/20/2017 : 12:46:15
Can you chime in about a neighborhood fat tire lowracer build? I donít know enough.

Two 20Ē tires unlike my other.

velosRus.com
8   L A T E S T    R E P L I E S    (Newest First)
carolina Posted - 12/15/2017 : 08:48:25
Well , lets call it a lowrider cause its not a race machine but tour and groceries.. Put a pinion up front or rohloff at rear (maintenance free). My lowracer has front and rear drum brakes and a monoblade front.

velosRus.com
jeroen Schasfoort Posted - 12/15/2017 : 07:37:07
A fat tyre lowracer is riding around in my head also. Nice singlesided fork with a front drumbrake so no problem between chainline and right forkblade. 20 inch rear gives problems because the rear deraileur gets realy close to the ground and the chain gets realy close to the tyre, wich somehow does not seems such a big problem with same tyrewith and a bigger wheel.

Also with 20 inch as driven wheel on a fast bike u need a big chainring like 65 tooth plus. Or a middrive.
purplepeopledesign Posted - 11/23/2017 : 12:00:14
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/
Speedbiker Posted - 11/22/2017 : 10:08:40
Plus, if it is a true lowracer your legs have to reach around that fat tire and fork.
carolina Posted - 11/22/2017 : 08:07:55
Fat tires are around 8 lbs..

velosRus.com
purplepeopledesign Posted - 11/20/2017 : 20:54:29
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/
Larry Lem Posted - 11/20/2017 : 14:50:42
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
purplepeopledesign Posted - 11/20/2017 : 13:24:06
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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