Pros/Cons of Dual Designs 19.5 inch wheels

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I'd appreciate folks sharing their perspective on going to a set of the 19. 5 inch Dual Designs forged aluminium wheels. I've read the positives; higher load rating, greatly extended tire life, damn good looking, etc. . But I want to know, what possible downsides are there. How much do these wheels and tires weigh versus the stock setup? How does changing the un-sprung weight affect handling and suspension performance/life. Any suspension upgrades appropriate? Thanks a bunch, I wouldn't be having as much fun with this truck without y'all.

 

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Cons, from what I hear, is the ride is somewhat harsher. Also braking power is reduced a little (same physics as higher gearing) and certainly there will be an increase in unsprung weight which will add stress to all suspension components, but I doubt the impact would be significant. Not as much weight as the Rickson setup, they are much heavier than stock and I wouldn't go that route.

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Vaughn MacKenzie

1998 3/4T Quad Cab 4x4, 24-valve, 5-speed w/open 3. 54, White over Driftwood, Fog Lamps, Air Dam, Agate leather with most options.
245/75/16 Kelley Safari MSRs on M/T Classics, DeeZee running boards, diamond tread bedrail & tailgate protector.
Delvac 1 5W40 Synthetic Oil.
52,975 miles (12/11/99) 16-17 City & 18-20 Highway MPG