Is there any reason this will result in death as long as I use tubeless compatible tyres like g-ones? The pressures will be a bit higher than any mtb tubeless set up I’ve had. I was just going to tape with stans/tesa tape and put valves in.
419s are what you want if you can still get them. They come with the Mavic tubeless rimstrips which are superb and virtually anything will work tyre wise. I ran Marathon Plusses very successfully. They’re a brilliant rim for the price.