Image Item No. Description  2723pb024  Technic, Disk 3 x 3 with Black and Silver Motorcycle Disk Brake Pattern (Sticker) - Set 8370 Catalog: Parts: Technic, Disk  2723pb022  Technic, Disk 3 x 3 with Disk Brake 3 Spokes, Black Dots on Blue Pattern (Sticker) - Set 8219 Catalog: Parts: Technic, Disk  2723pb023  Technic, Disk 3 x 3 with Fan Blade Black and White In-Motion Pattern (Sticker) - Set 8653 Catalog: Parts: Technic, Disk