First off Welcome to the world of Suzuki triples.
It's good that you did all the work, but I wondered why the 1940 look which predates cafe racers and why no fenders?
Let's talk about fenders. The front one is needed to keep water and dirt out of the engine and off your face, but more importantly is acts as a fork brace. Without it the front forks tend to twist under cornering or braking.
The rear fender keep water off your back and away from the inlets.
If the "look" is more important than functionality, you could use the front section of the rear fender and either paint the front fender black or fit a fork brace.
The black wheel look takes us back to a pre WW2 time when chrome or nickel were just too expensive to use on utility motorcycles. The WW2 half masked headlamp is an interesting look, but can't help night riding. It looks cool enough but those lights are not all that strong to begin with and we don't have much of a problem where I live with German planes trying to bomb me

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One last thing. Are those the original tires? If so they will be as hard as rocks and not safe in the dry, let alone the wet. One of my bikes has old tires and I ride that like an old lady and only on warm sunny days to avoid the inevitable.
As for the backpack, tank bag, I love it. I have used backpacks and all sorts of other bags and as long as I'm careful with the straps they have been fine.
Nice first "build" and as you ride it, you have time to work out what needs to be changed to make it more useful. The main reason that cafe racers died out last time around is that they are so uncomfortable and impractical. I love them but can't live with one on the street for very long.