Amazon.com : 2 Pack - Continental Race 28 Tube, 700 x 18-25, 42mm Presta Valve with Removable Core - Includes 2 TAC 9 Tire Levers! : Sports & Outdoors
Amazon.com : Contrast 700 x 18-25c Road Bike Inner Tubes - Presta Valve (Pack of 10) : Sports & Outdoors
Amazon.com : MICHELIN A1 Airstop Front or Rear Road Bike Tire Tube, Presta Valve,18/25 x 622, 52mm : Bike Tubes : Sports & Outdoors
Amazon.com : Michelin Airstop 700 x 18-25C 40mm Presta Valve Tube : Bike Tubes : Sports & Outdoors
Amazon.com : BWSHLF Bike Inner Tube 700x18/25C Bicycle Replacement Butyl Inner Tube with 48mm Presta Valve for Road Bikes (2 Pack) : Sports & Outdoors
Amazon.com : 2-Pack 700C Road Bike Tubes 700x18C/20C/23C/25C FV48mm Presta Valve 700C Tubes Compatible with 700 x 18C 700 x 19C 700 x 20C 700 x 21C 700 x 22C 700 x
Amazon.com : Contrast 700 x 18-25c Road Bike Inner Tubes - Presta Valve (Pack of 5) : Sports & Outdoors
Amazon.com : 6-Pack 700C Road Bike Tubes 700 x 18C/20C/23C/25C AV48 Long Valve 700C Bicycle Tubes Plus 2 Rim Strips Compatible with 700 x 18C 700 x 20C 700 x 21C 700