This magic bone foam increases inner wall strength and more importantly absorbs vibration

A BOA 360° fit system includes an adjustable dial that delivers a customized

Superior Traction: Supple

Allty Mini: 69x38x31mm and weighs 64gm

Thule doesn't specify weight in their specification but other sources suggest 15

Schwalbe Tube 19 Tube - 27.5-28 Inch - Presta Valve - 1.50-2.50 Inch - 40mm Valve NoAusPost This magic bone foam increasesSchwalbe standard bicycle tube no. 19. For bicycle tyres in sizes 27. 5" 28" 29" inches (ETRTO 40 62 584 635). Holds air for an above average time, thanks to the best material quality and uniform wall thickness. Highest reliability has proven itself millions of times.