LEGO rim for OpenR/C Formula 1 car

I printed the OpenR/C Formula 1 car in 80% so the LEGO rims is adapted to this size. I was unable to get the black ninjaflex rubber filament to work properly in my printer so I am using LEGO tire size 49,6x28 but drew my own rims to fit the ball bearings. The front ball bearings is 5x10x4 mm. The spokes inside the rim needs a lower printing speed, I used 1800mm/min. The total printing time is 1 h 34 min for the front rims and 1 h 56 min. for the rear.
The rear rims is also 5 mm wider than the