Rim calibrated in special aluminum.
Measurement in diameter 15’8 mm.
Lightened with a specific weight of 1’gr. (Tolerance + 0’3 gr).
Central bushing with double orifice for metric prisoner tappet 2’5×0,45×3.
Millimeters of length of the grub screw placement 6 mm.
Diameter of the bushing for 2’38 mm axle.
Tire section width 8’30 mm.
