Triple Tree swap
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Road Master
Joined: Feb 2007
Posts: 994
Likes: 28
From: NC
Triple Tree swap
I posted this in the tech forum, but it doesn't look like too many ppl are in there too often.
Does rake and trail play a role in swapping triple tree's if the fork size is 49mm? Dyna Fat Bob trip's in gloss black on the Softail Breakout - both 49mm but different rake and trail numbers. I know some parts are interchangeable between these two families. I'm sure eventually the moco will release model specific parts soon enough, but patience is a tough thing to corral. y'all know what I mean. I guess a call to the service dept would help too but its more fun here.
Does rake and trail play a role in swapping triple tree's if the fork size is 49mm? Dyna Fat Bob trip's in gloss black on the Softail Breakout - both 49mm but different rake and trail numbers. I know some parts are interchangeable between these two families. I'm sure eventually the moco will release model specific parts soon enough, but patience is a tough thing to corral. y'all know what I mean. I guess a call to the service dept would help too but its more fun here.
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Road Master
Joined: Feb 2007
Posts: 994
Likes: 28
From: NC
I think I found the answer, "no go", from a post about a year ago.
https://www.hdforums.com/forum/softa...x-softail.html
https://www.hdforums.com/forum/softa...x-softail.html
Here's a good read, and a trail calculator.
http://www.rbracing-rsr.com/rakeandtrail.html
Chances are both bikes have 0* trees, and just swapping out your trees and reusing your tubes probably will not have any affect on your trail numbers. The trail number is what you want to watch out for, that is what provides ride stability. Rake can be changed all you want, as long as the proper adjustments are made to maintain adequate trail.
http://www.rbracing-rsr.com/rakeandtrail.html
Chances are both bikes have 0* trees, and just swapping out your trees and reusing your tubes probably will not have any affect on your trail numbers. The trail number is what you want to watch out for, that is what provides ride stability. Rake can be changed all you want, as long as the proper adjustments are made to maintain adequate trail.
Elite HDF Member
Joined: Apr 2012
Posts: 3,986
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From: San Diego
Aside from the trees being the right rake, you need to consider the steering stop setup as well as the neck lock. I have read these are different between the dyna line and the softail line.
If your only goal is gloss black trees, I would think the easiest thing to do is get yours powder coated, or go aftermarket. As was stated in your link, it will work but it won't be bolt on, and after grinding you'll need to re-powder everything anyway.
Stellar HDF Member
Joined: Mar 2012
Posts: 2,019
Likes: 599
From: Columbus, OH
Easiest way to tell if the rake is in the trees or the frame is to look at the bike from the side if the fork tubes run at the same angle as the neck (parallel) then the trees most likely have no rake in them, if the tubes are at a different angle then there probably is some rake in the trees. Be careful with raked trees because they can change your trail a whole lot very quickly. The calculators online are a good way estimate the results, but everything should be measured on your bike after everything is installed just to be sure your trail number is in the safe range
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