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I can’t speak to the cassette but the chainring I got from them was the softest I have ever had. It work out so fast I couldn’t believe it.

I have one for an XD driver, 12 speed. It’s pretty good- the shifting isn’t quite as quick as with a SRAM cassette and it will jump gears if you aggressively back pedal. BUT- it’s extremely light, it has a replaceable big sprocket (ask to order it separately when you get one, I got two extra aluminum sprockets when I bought the cassette, assuming after three of those the cassette would probably be done.) Just make sure you tighten it up after a couple rides- I’ve had two and both worked loose after a couple rides and were good once...

In my experience they are solid, had no problems

I would love to hear more on the bar angle thing that the B-Practice podcast dove into the other week. Their comments on front wheel weighting/pressure got me interested. I've been having a hard time going from my 2017 pivot 5.5 to 2022 stumpy evo mullet and getting the front end of the cockpit right.

My experience is that a 50mm stem and 20mm rise bars will have a longer steering offset (distance from center of topcap to the imaginary perpendicular plane of your hand position) than a 40 stem and 30 bars. For me, this longer steering offset gives a more oversteery feel, especially when making small corrections. Going to 35mm or shorter stem with 40mm or more rise bars feels really understeery. So with the longer steering offset your front is more likely to tuck and a too short steering offset will more likely make the front push. The 40 stem and 30...

Shortening the stem quickens the steering inputs. As mentioned above it will give you a more relaxed riding position. For some people (like myself) and bikes the pros outweigh the cons. For some people however this will make the front wheel wash more often. I’m pretty much in the camp of go as high and short as you can go without losing grip on the front. Longer chainstays and a strong riding position (vertical but not too far off the back) will determine how extreme you can go.

What you should expect from any cockpit change like this is that it's going to feel VERY NOTICEABLE at first, and then less noticeable over time. Try not to think too hard about how it feels right away, because that can be a mental rabbit hole. The key to tuning like this is to try to forget about it and get on with the task of riding the bike. If the new stem or bar stills feels odd or bad a week from now, then that's a noteworthy observation. And if it's a different brand handlebar, be prepared to rotate...

The reach will be shorter and high. More relaxed position and less bent over when seated. it’s all personal and what terrain you’re riding. A lot of riders how found more speed with shorter and taller setups. I test a 30mm stem with 30mm rise and 20mm bar vs 43mm stem with 20mm rise and 30mm bar. So very close, but different and I was just more comfortable on the 30/30/20.