I had the Leer 100XQ Sport and had all kinds of problems with the "spoiler" preventing it from opening all the way, then fracturing, and the lip seal on tailgate rubbing all the paint off. Leer and the dealer wanted nothing to do with it or warrantying their work, which led to me selling the truck unfortunately. Leer has always been my go to, but I'd personally recommend the 100XQ not the sport. Hopefully your experience has been better.
I’ve had it for 3 1/2 years and also the 100 xq on a previous truck. I did have some initial paint issues, but my dealer got it warrantied and had it repainted.
I bring mine into the dealer once a year to have them tighten everything down.
Family owned truck accessory shop, takes good care of their customers.
Truck cap manufacturing leaves a lot to be desired, but a good dealer can make it better. Even the smartcap users have some assembly issues, read the reviews.
(On a $5000 cap, no less).