Questions on fork oil...

[strtgldrdr]

I am going to Sturgis this year and I am planning on buying some new wheels. I want to go to the 21" front wheel and from what I've seen, I like the lowered front-end with this modification. I have been told if I don't use heavier weight oil on a lowered front-end, it will cause the forks to bottom-out, possibly enough to dent the fender on a braking dive or "pothole". Is there a suggested weight/kind of fork oil to use or is this theory (EDIT)? I understand the reasoning, but is it neccessary? I don't want to destroy the ride, but I definitely don't want to have to purchase a new fender either. Thanks for any help...:small3d023:

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[Chopper]

Welcome strtgldrdr, I would think the front forks have X amount of travel not matter what fluid you use, I have seen a few dents in the top of touring fenders but it was because of aftermarket brake line mounts or bells, there's not much room between the lower triple tree & fender when the forks are collapsed. With a 21'' front fender & a lowering kit I would call and ask fat baggers they test & have experience with the larger 21'' front wheels and have recomended using a lowering kit with them. They've always been stright up with me, good folks
Here's a link if you haven't dealt with them, and someone on the forum might have some hands on experience and can help you more, enjoy Sturgis.
Fat Baggers, Inc.

 

[strtgldrdr]

Thank you, sir! I've seen several bikes from these guys and never thought to contact them, thanks for your help...

 

[Chopper]

One thing to keep in mind the 21'' front wheel will put your fender 2.5'' closer to the lower fork bracket, while heaver oil will help I don't think it's a qure. Let us know what you find out, I'd like to know.