Rocker Fork Trees
Road Warrior
Joined: Dec 2008
Posts: 1,556
Likes: 19
From: Oz
For what its worth it really made no noticeable difference when I put my 21" on, no speed wobbles at all, slow manouvering was a little different but nothing that didnt just seem to go away after a few rides..
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Novice
Joined: Jan 2011
Posts: 22
Likes: 0
From: Mississippi
Thank you Rocker Dan. That's what I wanted to hear, the actual experiences. I just didn't want to foul up in the face of literature that says keep your trail between 4" - 6".
The look of your bike is awesome! points the way to where I want to go.
The look of your bike is awesome! points the way to where I want to go.
Tourer
Joined: Sep 2008
Posts: 302
Likes: 2
From: hobart, in.
I talked with an independent Harley mechanic today who owns his own shop. He is suggesting that I bring the bike to have the bearing tightness checked. He said that if the bike's front end is raised off the ground and the steering is aligned straight, and then if the steering is nudged off center, the wheel should slowly fall to one side. It should not immediately flop to the side.
On the Rocker, he said the addition of the 21" wheel should not make any significant diffference in straight line stability at very low speeds, versus stock.
So that you can follow my csalculations, I am using the Advanced Trail Calculator at RB Racing http://www.rbracing-rsr.com/rakeandtrail.html. I am using 36.5 for rake, 2.4 for offset, 32 for fork length, and 1 for tree rake.
On the Rocker, he said the addition of the 21" wheel should not make any significant diffference in straight line stability at very low speeds, versus stock.
So that you can follow my csalculations, I am using the Advanced Trail Calculator at RB Racing http://www.rbracing-rsr.com/rakeandtrail.html. I am using 36.5 for rake, 2.4 for offset, 32 for fork length, and 1 for tree rake.
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