Widest Possible Front/Rear Tire On A Stock Sportster? - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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Old 11-11-2012, 04:58 PM   #1 (permalink)
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Widest Possible Front/Rear Tire On A Stock Sportster?

I'm shopping for a Sportster & am going through all the specs of what I like/don't like/will want to change. I'm leaning towards a new/newer Custom (or FortyEight) because I really like the look of the symmetrical tires & the wider/smaller/beefier tires. Because I'm so infatuated w/ the tires, if I buy a stock Custom it has to be 2011 or newer (when they changed the front tire width). I also like some other/older Sportsters again except for the tires.

My question is: what is the widest tire I can safely fit on a stock Sportster? I've seen some posts about wide tire kits for Dynas but nothing for Sportsters. I (think I) could save more than a few bucks on an older Sportster if I can buy/fit the tires I want separately but don't want to get in over my head. Also, I'm not the most mechanically gifted & am new to motorcycles so I can't get myself into a crazy hard mod project.

Any thoughts or suggestions would be warmly welcomed.


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Old 11-11-2012, 05:18 PM   #2 (permalink)
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I could be wrong but i think it's a 150 on the rear and a 130 on the front. I don't think you can go any wider on the rear but you might be able to go bigger on the front depending on the rim size. ....
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Old 11-11-2012, 05:36 PM   #3 (permalink)
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A 150 is stock on the rear. Its also the widest tire recommended for that 3 inch wide rim. In order to go wider a rear rim needs to be replaced. That's for a 16 inch tire. The sportster low uses a 17 inch tire and has a wider tire and rim combo.

To run a 130mm front tire a different rim has to be used and no fender will fit in the OEM forks.

The 48 has different wider triple trees than other XL models.
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Old 11-15-2012, 11:08 AM   #4 (permalink)
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you can get a kit for a wider rear tire if you want to go super wide but will have to replace the swing arm ,wheel ,extend the sprockets run a chain and the one i rode , rode like crap .
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Old 11-16-2012, 02:57 PM   #5 (permalink)
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I'm been looking at the Miss November which is a Forty-Eight on my 2012 H-D Calendar for 16 days and the front tire looks huge compared to my SuperGlide Custom.
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Old 11-16-2012, 03:04 PM   #6 (permalink)
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That's because it has a wider triple tree set and it's a completely different front end with exception of the fork legs. Even at that....new SG models have 54mm legs vs the xl models 39mm legs.
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Old 11-17-2012, 11:46 AM   #7 (permalink)
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Buy a reasonably priced bike of your choice and use a Vulcan WG triple tree kit for around $500. This kit uses a 2000-up wheel which can be found cheaply on ebay and the like. I used the Vulcan kit along with a set of wheels off a '06 Road King on my '07 883L...tires are 150/80-16's front and rear.







Btw, this kit utilizes the stock 39mm fork tubes/lowers. If you try to duplicate what H-D did you will have a boatload of money tied up in it...they used a mid-glide and an oddball wheel/hub combination. Shown in the above pic's are a tin set off a 2011 SuperLow.
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Old 11-17-2012, 12:24 PM   #8 (permalink)
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Your Fat 883 is fine HOF. Nice mod route.
The new 1200C comes fat for the new owners. The new C comes with a 150/80-16 rear & 130/90-16 front.
I hope to do the Bobcat myself on my Sporty.
Not trying to hijack but how do you like that pipe? Sound? Performance?
My parts guy speaks very well of D & D...
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Old 11-17-2012, 12:52 PM   #9 (permalink)
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As far as the D&D Bobcat exhaust is concerned, I never gave anything else the slightest consideration once I saw one on another bike. Best looking/sounding exhaust I have ever come across on a Sportster hands down. My advice for the OP was to buy a used bike for cheap and make the mod's himself instead of taking H-D's version.
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Old 11-17-2012, 03:39 PM   #10 (permalink)
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Quote:
Originally Posted by TurnCoat View Post
Your Fat 883 is fine HOF. Nice mod route.
The new 1200C comes fat for the new owners. The new C comes with a 150/80-16 rear & 130/90-16 front.
I hope to do the Bobcat myself on my Sporty.
That being said, since I don't already own a bike, would it even be cost effective to buy a slightly older Sportster to buy & install the kit, new wheels/tires & whatnot or just cut to the chase & buy a newer 48 or Custom?


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