Eclipse Performance Road Classic Tube — 622 × 20/25 mm Distribution field-replaceable core

field-replaceable core

Anyone using TPU tubes who wants accurate

root impacts

Roughly 80% lighter than a butyl endurance tube and noticeably lighter than the standard Performance Endurance

The 40 mm version uses a valve hole adapter for standard Brompton rims

Eclipse Performance Road Classic Tube — 622 × 20/25 mm Distribution field-replaceable coreA lightweight TPU road tube built for narrow race rubber. Made in Germany with a patented all aluminum valve and a patented end to end welding process. Why it works From 27 g. Roughly 70% less than a butyl road tube. Less rotational weight where it matters most pickups, attacks, and the last 200 m. Holds pressure at race PSI. TPU doesn't creep at high pressure the way butyl does. Stable, consistent feel through long efforts fewer top ups, no slow sag.