I went with poly long after I went to 14" apes. Wished I had done when I first switched.....to much movement in the bars. Not any real difference in vibration.

 

I made the switch to Poly when I went to WG bars and 3" risers. At first, I noticed a little vibration I hadn't noticed before but that only lasted about a day and everything seemed better. Goodsolid feel and I like 'em.

 

Put poly risers/Dyna bars with weight in the ends on my 100hp '01 Sporty and got less vibration...put 1200S bars on my 103 FXDXT and I think I got a bit more vibe but more solid feel. Brother has the HD Fat Mini Apes and we used poly in them, too; the rubber mounts felt too loose.

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I did the poly bushings, but didn't like the way it felt with the caps that came with them. So I kept the poly bushings and used the stock insert/washer to bolt them up - much better.

-- kerry --

 

Helpful tip...dont spend more than $12 for a set of pooly bushings...they are all the same material...just marketing for the price. Got a set of Drag Specialties bushings from Dennis Kirk for about $11 and have 6" risers...night and day difference and I have MUCH more control of the bike into corners than before....best upgrade IMO

 

I have Poly and my mirrors became less blurry (less vibration)

Spach

 

I use solid mount bushings and I have no problem on my 98 superglide

 

I just got these Drag Specialties bushings.

 

^Those are the ones I went with...best $11 I ever spent on my bike

 

Poly here also. Big difference in movement of bars. Can't really tell any difference in vibrations for me.