Schwalbe Marathon Winter Plus Tire 20 x 1.6 inch (42-406mm) thumb shifters Max Weight: 50 lb /

Max Weight:  50 lb / 22 kg

and the clamp diameter is 1” (clamps onto a 1” tube)

Duo: Dual-arm holders feature tool-free adjustment and are compatible with a wide range of tire sizes without touching the bike’s frame

Overall Width:  32"

ride after ride

Schwalbe Marathon Winter Plus Tire 20 x 1.6 inch (42-406mm) thumb shifters Max Weight: 50 lb /FOR A SAFER JOURNEY. You have full control on icy roads with the Marathon Winter Plus. Even in tight bends and under violent braking everything remains under control, thanks to special Winter compound, lamella tread and up to 240 spikes. For best possible puncture protection it comes with a SmartGuard layer. Schwalbe Protection Level 7. Speciafications: Size: ETRTO 42 406 (20x1. 60 Inch) Type: Wired Compound: Winter Version: SmartGuard Colour: Black