Many treads feature water shedding design, dont let a little drizzle ruin your ride. Grab tires with puncture-resistant technology and help prevent those flats while on the roll. This combo tube fits many 16"sizes such as FR78-16 HR78-16 JR78-16 LR78-16 7-16 Since American style frames use smaller tubing diameters, they also need to use skinnier seatposts. 20' bike tires come in a variety of style for everything from the ripping the skate park to commuting to school.We help you search for bike tyres by popular brands, bike models, prices, type, size and more at. Kenda tires are some of the most popular replacement bike parts on the market, and they are available in about every rim size in current use.