Tubolito Tubo MTB 27.5/29 x 1.8-2.5" Tube 42mm Presta Clearance they are both extremely lightweight

they are both extremely lightweight and very stiff (110 Flex)

and time trialists

Pair the lightest airbag system on the market – the Alpride E2 Airbag System – with state-of-the-art fabrics and you get a freeskiing backpack so light you'll almost forget you're wearing it

the scales will slow down your low angle descents slightly

it provides additional thermal capacity for technical descents where repeated hard braking is unavoidable

Tubolito Tubo MTB 27.5/29 x 1.8-2.5" Tube 42mm Presta Clearance they are both extremely lightweightThe Tubo MTN is a revolutionary inner tube engineered for mountain bikes, offering a significant reduction in weight and bulk compared to traditional rubber tubes. By utilizing a high tech thermoplastic elastomer, Tubolito has created a tube that is up to 60% lighter than standard butyl options. This weight savings is achieved without compromising strength, as the Tubo MTN is designed to be twice as robust and puncture resistant as a conventional