I start with drilling a 12mm hole in front rim, for the air-valve. Wheel with part no90AZ1106L. I removed the sharp edges from outside of rim. Installed tube and tire with vaseline on rim, mount together rim-halves with 3 bolts 91UA070, washers 91UM0816 and stopnuts 91UE08. And torque them to 12Nm. Tube 90PC6006 and Tire 90P6156R. Size 4,00x6, 6ply. Inflate to 2,5 bar.
