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  #1 (permalink)  
Old 04-23-2014, 07:01 AM
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Front end

Hi guys, dave in uk, just about to receive my ultima rigid frame 85-101, 34 rake , 250 back, just trying to work out what front end to get, because the parts will be ordered from across the pond I wonder if anyone is using that frame? And what fork length they have and the stance of the bike? I don't want too long a fork, any feedback/pics would be appreciated, thanks. Dave
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Old 04-26-2014, 03:55 AM
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I'm using a RSD softail version of that frame and I'm using a Hardbody springer, 6 inches over stock.
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Old 04-26-2014, 10:04 AM
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I have a 6 over with 5 degree trees on mine.
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Old 04-28-2014, 12:41 AM
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Thanks guys, 6 over must be rearing the front up some? Did get some feedback from one of the custom parts suppliers, he stated that frame. (85-101) was designed for stock length forks? Obviously the stance is a personal thing, as long as the bike handles ok, but appreciate the feedback. Dave
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Old 04-30-2014, 04:20 AM
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Quote:
Originally Posted by Daxcobra View Post
Thanks guys, 6 over must be rearing the front up some? Did get some feedback from one of the custom parts suppliers, he stated that frame. (85-101) was designed for stock length forks? Obviously the stance is a personal thing, as long as the bike handles ok, but appreciate the feedback. Dave
I think your parts supplier is mistaken. The frame is 4" up so you would use a longer front end. Here in Australia that frame meets the 550mm ADR rule with a 4" over regular front end or 6" over springer ( the springer is a long story but you get the idea).
That's using a 21" front wheel with a 90/90 tyre.
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Old 04-30-2014, 12:33 PM
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Re front end

That's interesting, thanks for that, will hopefully get some more feedback from someone using the same frame, as an aside the wife and I do a Harley tour every year, different areas, have done it for the last 9 years, just us the bike and some great roads, as a surprise for my 60th(mar) just gone the wife booked a group tour of the gold coast next mar, starting out in Brisbane, looking forward to that. Dave
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Old 04-30-2014, 11:59 PM
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Here is your frame with a DNA 6" over springer. This is basically what I'm building but in a right side drive softail and a 6" over Hardbody springer. The bike in the photo was built by Peter from HogWild choppers here in Australia.

Brisbane is nice you'll have a great time.

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Old 05-03-2014, 04:41 AM
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Thanks for that, so looking at that the inverted forks 4 over should be good, 21 inch front 18 rear, will have to do some sums on the rake calculator to work out the figures, what figures have you got? Again before ordering will need to get it right reference the tree degrees etc, I will hopefully have the funds to order the forks, wheels, and a gas tank, yeh people are saying the aus trip should be awesome. Dave
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Old 05-03-2014, 03:11 PM
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I'll have to dig up all my calculations but it is a little different for a springer due to the rocker arms. Basically with a regular front end you add a few degrees in the trees to get the trail right by pushing out the axle, with a springer you get the extra due to the axle being at the end of the rocker arms. Typically you don't add extra rake at the neck end for springers so my neck cups are 0 degrees but I also have a set of 3 deg neck cups in case I need them. What a lot of guys do here in Oz is to put 3 deg neck cups in backwards so you get -3 deg, this is to bring the front end in so it passes the 550mm inspection, after that you put the 0 deg cups back in.

I expect for a 4" over regular front end you would need 3 deg rake in the trees with a 21 x 2.15" front wheel and a 21 90/90 tyre.
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Old 05-04-2014, 08:53 AM
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Re front end

Thanks for that, 3 degree in the trees was the way I expected to go, appreciate the feedback it helps a great deal. Dave
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