Eclipse Ultra Road Tube — 622 × 20/25 mm (19.5 g) valve length:70mm - 21g A fraction of the weight

A fraction of the weight of a butyl BMX tube

The same failure-eliminating process across the entire Performance line

cargo bikes on 24" or 26" wheels

32" — if your tire has an ETRTO marking between 349 and 686 mm

Eclipse Ultra Road Tube — 622 × 20/25 mm (19.5 g) valve length:70mm - 21g A fraction of the weightThe lightest road tube Eclipse makes 19. 5 g for a full TPU inner tube with an all aluminum valve. Built for race day and rim brake disc race wheels in 2025 mm tires. Made in Germany with a patented all aluminum valve and a patented end to end welding process. Why it works 19. 5 g (40 mm valve). 21 g (70 mm). Lighter than most latex tubes. Roughly an 80%+ reduction vs a butyl road tube. The saving is rotational you'll feel it the first time you stand