Body: 116 x 100 x 26 mm, plastic, with reflectors. Axle: 14.3 mm, Bo; 285 g

Body: 109 x 101 x 26 mm, replaceable U pin, aliuminium, axle 14.3 mm, Cr-Mo axle, DU bearing, 450 g

Body: 101x96x32 mm, plastic, with reflectors. Axle: 14.3 mm, Cr-Mo