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Old 05-02-05, 02:44 PM   #1
phidauex
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WIIIIDE tires!

Anyone have any bright ideas on where to get super wide wheels and wide tires? I've found the 'boa' tires from the 20" schwinn chopper on sale, but not the replacement wheels and rims (which are about 4" wide!). However, I'm thinking that I could fit some very wide looking tires on regular rims by lacing two rims together side by side on one hub.

Here is my thought... Take two rims and a hub. Add 2mm to your regular spoke length. Attach the rims side by side temporarily with some tape, with the valve holes aligned. Now, when lacing the wheel send the spokes from the near flange all the way past the first rim, and to the 'far' holes on the second rim. Then send the spokes from the far flange all the way up past the bottom rim, to the 'nearest' holes on the first (top) rim. You'd be alternating holes on each rim, but you'd use all the holes on the hub, and the wheels would be laced together. Then some adhesive on the rims could seal the deal. Getting the thing perfectly true wouldn't be a big deal, because presumably you'd use a coaster brake or roller brake on something like this.

Then you could mount a very wide tire, like a round profile 3" tire, and because the beads would be farther apart (and you'd probably need two tubes), you could get a wide tire with more of a 'motorcycle' profile.

I'm going to give this a try soon, I just need to choose a suitable rear hub...

Any other good tricks for super wide tires?

peace,
sam
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Old 05-02-05, 02:55 PM   #2
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You might be ale to get them from the Giant dealer, we have been able to get tires from them and one of our other shops picked up some rims for a custom trike.
The widest thing Icould find from a whole saler is the Alex dx32, 38,4 mm wide but it would run around $50. Might be cheaper to just buy one of the Schwinns and scavenge it.
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Old 05-02-05, 03:13 PM   #3
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I have considered buying one of the OCC schwinn choppers and making a new frame for all the parts that an adult could ride comfortably (maybe longer fork arms too, oo, and maybe a better rear hub!). At 180$ or so, you'd be getting a lot of parts.. I wonder if I can find a display model on sale or an open box special, or one that is missing a part or something for cheap.

peace,
sam
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Old 05-02-05, 03:50 PM   #4
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Surly makes a very wide rim, Large Marge, and is now coming out with a 4" wide tire for it and actually a whole bike- Pugsly- to be built around the two!
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Old 05-02-05, 07:00 PM   #5
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If you did that with two of the Coker 36" rims, maybe using a hub that was made for 88 spoke lowrider wheels, you'd be in serious bigness land.
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Old 05-03-05, 04:02 PM   #6
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Ive done this once, years ago and it was a lot of work but at the time it was the only wide tire and rim I could find. And it was a lot of work.

I took a compact size spare tire and wheel from a car, demounted the tire from the rim, cut out the center of the wheel with a torch, cleaned up the rim with a grinder, drilled it for a 40 spoke hub, painted the rim and built up the wheel. I also had to make a longer axel and spacers so the cain would clear the tire. The biggest problem was its weight, when finished the bike was a little over 56 pounds.

Ive always wanted to do the same thing to build a monster bike, using tires and wheels from a 4x4
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Old 05-04-05, 01:09 AM   #7
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You can get spoked aluminium motorcycle rims (I'm thinking dirtbike and dualsport) in 17, 18,(rears) and 19 or 21(fronts) inch diameter, road motos usually use 17inch or 16 inch. My little dualsport tires are 4"wide x 17"rim and 3"widex21"rim.
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Old 05-09-05, 03:37 PM   #8
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Easiest would be to use the Large Marge rim and Endomorph tire (I think) from surly. Going to m/c stuff would be next easiest. Though lacing an m/c rim to a bicycle hub would be mildly complicated.

Last idea: removing some rubber from the m/c tire. Some airplane guys did this to use 'balloon' 4x4 tires on a bush plane. Search for the Sherpa for pics. A guy could make some fatty slicks from m/c knobbies.

[edit: changed ectoplasm to endomorph]

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Old 05-26-05, 02:03 PM   #9
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I'm using some HED rims on my slalom bike that are 42mm wide. I think they are the widest downhill bicycle rims available. You can mount really wide tires on them (depending on the clearance on your frame), up to over 3" wide. Out of curiousity, I put "street" tires on them and it gave them a much wider footprint than normal. Just my .02 cents....
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Old 05-26-05, 10:15 PM   #10
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Hmm.. good ideas, all!

A friend of mine was gifted an old motorcycle wheel that I think can be laced to a bicycle hub... Totally overkill, and it'll be heavy as sin, but it should look very cool.

And yeah, downhill is the other place I need to start looking.. Those cats have some crazy wheels!

peace,
sam
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Old 06-20-05, 10:58 PM   #11
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Smack me upside the cranium with a shovel if I seem a little crazy here, but why not spoke a widened bicycle hub into a 15 inch car wheel....

http://www.chopzone.com/gallery/brad...m/overkill.htm

Yah, I did that. 'snicker'

Brad
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Old 06-29-05, 01:19 AM   #12
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Quote:
Originally Posted by phidauex
Anyone have any bright ideas on where to get super wide wheels and wide tires? I've found the 'boa' tires from the 20" schwinn chopper on sale, but not the replacement wheels and rims (which are about 4" wide!). However, I'm thinking that I could fit some very wide looking tires on regular rims by lacing two rims together side by side on one hub.

Here is my thought... Take two rims and a hub. Add 2mm to your regular spoke length. Attach the rims side by side temporarily with some tape, with the valve holes aligned. Now, when lacing the wheel send the spokes from the near flange all the way past the first rim, and to the 'far' holes on the second rim. Then send the spokes from the far flange all the way up past the bottom rim, to the 'nearest' holes on the first (top) rim. You'd be alternating holes on each rim, but you'd use all the holes on the hub, and the wheels would be laced together. Then some adhesive on the rims could seal the deal. Getting the thing perfectly true wouldn't be a big deal, because presumably you'd use a coaster brake or roller brake on something like this.

Then you could mount a very wide tire, like a round profile 3" tire, and because the beads would be farther apart (and you'd probably need two tubes), you could get a wide tire with more of a 'motorcycle' profile.

I'm going to give this a try soon, I just need to choose a suitable rear hub...

Any other good tricks for super wide tires?

peace,
sam
Why not just get a scooter wheel and modify it to fit the bike
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Old 07-05-05, 04:26 AM   #13
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There is another option as well - 16 inch motorcycle tire. I think the size is 16. something or other, but they will fit perfectly on a 20 inch bike rim. As for width, you are looking at about 3.5 to 4 inches, so not all frames will take the tire - most bmx frames will though. These tires are comonly found on the rear of motocross bikes in the 80-175cc range.

For the smooth tire, just mount it on a rim and take your angle grinder to the knobs, letting the tire spin as you grind them down.

Drill the valve hole out of the 20 inch rim to take the motorcycle valve, and you're done.

Brad
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Old 07-05-05, 06:56 AM   #14
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If 3" wide is wide enough Innova make one that fits on a 20" BMX rim. Razor use them for there Viper and I've seen them on several other chopper style bikes.
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Old 07-09-05, 02:28 PM   #15
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There are also several species of 3" wide or greater tires used on wheelchairs....

http://www.edmond-wheelchair.com/16-...hair_tires.htm

They are totally square, and grey in color - unique looking for a chop.

Brad


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If 3" wide is wide enough Innova make one that fits on a 20" BMX rim. Razor use them for there Viper and I've seen them on several other chopper style bikes.
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Old 07-09-05, 05:18 PM   #16
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I took 1 of the Innova 3*20" tyres off last night and discovered why I have been able to ride through glass and debris without punctures, the tyre is in thickness and compound, close to a car tyre, it would I think take very sharp steel to penetrate it. The down side is that the tyre is fairly heavy but that isn't as critical on a chopper. I ride fairly long distances even on my choppers so this is good news as I can leave the pump etc at home.
Brad I wonder what the square tread would handle like in corners?
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Old 07-10-05, 10:44 AM   #17
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Quote:
Originally Posted by atomiczombie
Smack me upside the cranium with a shovel if I seem a little crazy here, but why not spoke a widened bicycle hub into a 15 inch car wheel....

http://www.chopzone.com/gallery/brad...m/overkill.htm

Yah, I did that. 'snicker'

Brad
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Old 07-11-05, 08:47 AM   #18
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[Originally Posted by atomiczombieSmack me upside the cranium with a shovel if I seem a little crazy here, but why not spoke a widened bicycle hub into a 15 inch car wheel..]

At the ride I went to Saturday, there was a bike with a 20' to 24" Goodyear racing tire. With a chrome rim, the bike really looked sharp.
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Old 07-20-05, 11:04 PM   #19
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Quote:
Originally Posted by phidauex
Anyone have any bright ideas on where to get super wide wheels and wide tires? I've found the 'boa' tires from the 20" schwinn chopper on sale, but not the replacement wheels and rims (which are about 4" wide!). However, I'm thinking that I could fit some very wide looking tires on regular rims by lacing two rims together side by side on one hub.

Here is my thought... Take two rims and a hub. Add 2mm to your regular spoke length. Attach the rims side by side temporarily with some tape, with the valve holes aligned. Now, when lacing the wheel send the spokes from the near flange all the way past the first rim, and to the 'far' holes on the second rim. Then send the spokes from the far flange all the way up past the bottom rim, to the 'nearest' holes on the first (top) rim. You'd be alternating holes on each rim, but you'd use all the holes on the hub, and the wheels would be laced together. Then some adhesive on the rims could seal the deal. Getting the thing perfectly true wouldn't be a big deal, because presumably you'd use a coaster brake or roller brake on something like this.

Then you could mount a very wide tire, like a round profile 3" tire, and because the beads would be farther apart (and you'd probably need two tubes), you could get a wide tire with more of a 'motorcycle' profile.

I'm going to give this a try soon, I just need to choose a suitable rear hub...

Any other good tricks for super wide tires?

peace,
sam
i have that new schwinn chopper with 20 " rear 4" wide. sorry i can't help but i was wondering what if any other modifications you have done. i am going crazy with ideas and my wife has the frying pan ready to hit me if i spend any more money. thanks, jim
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