300 x 3.8/2.5 x 50 x 18+2+2 305 x 3.8/2.5 x 30 x 16+2+2 320 x 4.2/2.8 x 50 x 20+2+2 350 x 4.2/2.8 x 50 x 20+2+2 400 x 4.4/3.0 x 50 x 24+2+2 450 x 4.4/3.0 x 50 x 28+2+2 450 x 4.4/3.0 x 50 x 24+2+2 500 x 4.6/3.2 x 50 x 28+2+2 500 x 4.4/3.2 x 30 x 22+2+2 sin stock