PRODUCT: 16X1.75 tire and inner tube set Fits Various Stroller Models These 16X1.75 stroller replacement tire and inner tube sets Fit for BOB 3-Wheeler Gear Jogging Troller Models-Single and Double Stroller, Compatible with Bob Gear Revolution(PRO/Flex/SE), BOB Gear Ironman, and Stroller Strides Fitness Stroller tires. 16x1.75 tires also Compatible with same model bike tires. Compatible bike brands/models include, Schwinn Koen Bike, Schwinn Elm Girls Bike, Titan Girl’s Flower Princess BMX, Dynacraft Magna, Joystar Bikes, and more! FEATURES: Tire: Block-and-strip tread pattern design for enhanced Grip Inner Tube: Self-sealing feature to prevent explosive flats Inner Tube Material: Heavy duty hock absorption thicker butyl rubber PACKAGE INCLUDED: 2*16x1.75 tires, 2*16x1.75/2.125 inner tubes 2 * valve caps