Du-Bro Mini Lite Wheels are available in 3 sizes shown: 1"(25mm); 1-1/4"(32mm); 1-1/2"(38mm). See previous or next listing for other sizes. Two piece press together hub and super light foam tire. Comes 1 pair/pack .047" axle through hole in all sizes. Perfect for indoor and park flyers! SKU Number: DUB125MW