Tubolito Tubo MTB Tube - 42mm Presta Removable Valve Core - 1.8-2.5 Inch - 27.5 Inch YGroup_7033419628589 They are probably a bit

They are probably a bit too heavy duty for normal trail riding unless your local loop is a little bit on the wild side

The extra thickness can cause a bit of arm pump if you're riding a lot of super steep and techy trails

Cross-country racing: Designed for short-track (XCC)

The Crank Brothers Gem pumps were designed to be durable and easily packable

The 1L bottle is designed to be poured directly into the unseated tubeless tyre

Tubolito Tubo MTB Tube - 42mm Presta Removable Valve Core - 1.8-2.5 Inch - 27.5 Inch YGroup_7033419628589 They are probably a bitSick of having to carry around a big, bulky, heavy spare tube in case you have a blowout on the trails? Well, Tubolito is here with the perfect solution! These ultralight and extra durable tubes are manufactured from a special thermoplastic elastomer that was originally developed for use in speaker cones of all things. They are far less bulky, and more puncture resistant than standard butyl inner tubes and can easily be slipped into a pocket or