Eclipse Performance Gravel Tube — 622/584 × 30/45 mm Valve type:Presta Custom Narrow (23–35 mm) —

Custom Narrow (23–35 mm) — road-profile

Junior and youth riders moving up the wheel sizes who want a real upgrade

Compatible with standard extensions

Anyone carrying a spare who'd rather it didn't take up half their bag

This one doesn't — solvent-free

Eclipse Performance Gravel Tube — 622/584 × 30/45 mm Valve type:Presta Custom Narrow (23–35 mm) —A reliable, lightweight TPU gravel tube built for everyday adventure mileage. Made in Germany with a patented all aluminum valve and a patented end to end welding process. Why it works 5153 g, depending on valve length. Roughly 70% less than a standard butyl gravel tube a difference you feel in acceleration on rolling terrain and in your bag when you're carrying a spare. Holds pressure on washboard and chunder. TPU doesn't creep at gravel pressures