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Fat Tire (300MM) Conversion Info Please

32K views 33 replies 20 participants last post by  gunsmoker  
#1 ·
All I've ever wanted is a Fat Tire Bike. I would appreciate any info that would help me find a kit to do this conversion
 
#5 ·
Not with Honda Shadows, you'll be hard pressed to find more than one person with a 300 tire on the back of one. The swingarm on all of the chain drive models isn't wide enough for the tire itself and the shaft drive models have interference from the shaft drive.

If you want a 300 rear tire you'll need a different bike.
 
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#6 ·
There was a guy at one time that sold conversion kits for $1000. You needed to either send him the swing arm or cut it yourself.
I was considering ordering one, but he vanished.

Most you can get is a 240.
 
#9 ·
Here is a place that has some kits but not sure for your model.

 
#17 ·
Believe he has a Spirit 750DC, at least that's what he said and his profile pic is a white spirit, so pretty likely a 750DC so good news it's chain drive but honestly it's not much easier if easier at all to fit a 300 tire to the chain drive, you'll have to figure out how to offset the chain to be further outside and there isn't much room at all plus you need to widen the stock swingarm, figure out how you're going to run rear brakes(a drum won't work with a 300 tire without a TON of work) swap out the rear wheel, make new axle spacers, figure out your fender...

Just don't do it, so much work to make your bike handle worse. You don't at all need a 300 tire on the back, you don't even need a 240 tire, just looks meatier and handles worse IMO. VTX rim re-lace and a 200 tire on the 4.5" rim is all I would ever do, I never need anything more than the 170 I have on the back now so someone wanting to nearly double that to 300 just makes me wonder...
 
#16 ·
If you can't find a fat motorcycle tire, you could always go to the "Dark Side." Some of our members have replaced their rear tire with a car tire and they swear by the positive results. Better handling and longer tire life. It might not be exactly what you're looking for in a fat tire, but close enough to give a more aggressive look from the rear.
Phil
Image
 
#18 ·
Do you REALLY think an underpowered bike is gonna handle that gigantic tire?
Big CC bikes get by with it. If it's just a trailer queen like some or a heavily modded engine, maybe. You may have better luck finding bigger bike with a kit already installed.
Not trying to be a jerk, just realistic, I owned 2 shadow 750s, neither had that much power to consider this.


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#19 ·
I apologize in advance for not having the company/person's name here, but I remember coming across a company in Indonesia I believe that manufactured wide kits for the Shadows. Replaced pretty much everything from the swing arm back, and I can only begin to imagine what it would cost (not just the kit, but getting it shipped etc. too).

Haven't found any trace of them though, so I would imagine it was one off's or something they were doing. I want to say it was Ghost something-or-other. Bottom line, if you want a really fat tire - sell your Shadow for the down payment on a HD and take out a loan for the wide kit on that :ROFLMAO:
 
#24 ·
#25 ·
Older thread, but funny, My brother was buying new wheels for his Harley Heritage Softtail so he could run a "wide" 150 rear tire instead of the 130. I just pointed to the 170 on my 750 Ace,,,
 
#26 ·
Stumbled upon this one recently, here’s a VLX 600 with a 240 rear tire. Only took a custom rigid frame and custom rear wheel to make it work.

289028


289026
 
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#31 ·
I was following a bike with hardtail on the way to work one day, every little bump on the highway and he was bouncing up off the seat, maybe 5" at times. While I barely felt the bump on my 1100 Ace Tourer. At times I think he was only connected to the bike by the handlebars he had a death grip on. hardtails were the technology a hundred years ago. And then they had sprung seats with a lot of travel. If you're building a piece of "art", that's one thing, If you're building a bike to ride, keep the suspension.