Amazon.com: 16 x 1.75 Stroller Tire HEAVY DUTY Thorn Resistant Inner Tube for All BOB Revolution Strollers, Sport Utility, Ironman & Alterrain [2-Pack] The Best BOB Stroller Tire Replacement by Steerling Tire
Lapp Wheels 11" to 24" Flat Free and Pneumatic Plastic Spoke Wheel - Lapp Wagons