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Old 08-29-2009, 02:11 PM
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tyrslider tyrslider is offline
Motorized Bicycle Elite Member
Join Date: Sep 2008
Location: RainCity
Posts: 958
Default Re: Custom springer front, advice needed

Been working on a couple myself, springer (like yours) and girder (like Schwinn).

I'm concerned that if you push the axle forward significantly you'll get really dangerous handling. The front will no longer pivot but swing (sweep) instead (note pic of b'tracker fork legs are straight). Since this motion will be prevented by friction (tire grip) when you turn to the right your head tube will move left and vice versa. It may still work but it is w/o question a dangerous geometrical condition, especially at speed. At speed your rear wheel (the wheel that actually turns your bike in the corner 'cause when you countersteer your front is pointed to the outside of the corner) will be pointed sharper into the corner than it's profile would naturally orient it when leaned over.

By flipping my Worksman fork around I bought myself 4 inches of distance between parallels and returns my axle to the same pivot point.

Also if your gonna use reg forks and pivot your suspension at the axle points your gonna have to allow for movement and the slotted connection can be an issue depending on how you bear(ing) the movement (i.e what will hold the legs to their pivot points if they are loose to allow movement?)
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Last edited by tyrslider; 08-29-2009 at 02:21 PM.
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