Continental Ultra Heavy Duty tube 21inch

The Ultimate inner tube, no question!

Continental's 4.5mm thick tubes have been around the world more times than superman and have proved themselves to be one of THE must have accessories.

If you dont like fixing punctures a set of these is your best bet, with Slime added for increased puncture resistance


To Fit Sizes - 300, 325, 80/100, 90/90, 90/100 -21