Image Item No. Description  69778  Technic, Gear 12 Tooth Catalog: Parts: Technic, Gear  69762  Technic, Gear 14 Tooth Bevel Thick Catalog: Parts: Technic, Gear  69779  Technic, Gear 20 Tooth Catalog: Parts: Technic, Gear  81346  Technic, Gear 20 Tooth with Clutch on Both Sides Catalog: Parts: Technic, Gear  69761  Technic, Gear 22 Tooth Bevel Catalog: Parts: Technic, Gear