This Schwalbe Marathon 16 x 1 1/3inch tyre was introduced for the 2018 model Brompton and is the entry level of three tyres fitted as standard on the current Brompton folding bike range (as at end 2017)
It's slightly narrower (at 1 1/3 inches) than the old standard Brompton kevlar (previously known as "green" for it's green label) tyre (which was 1 3/8" wide).
This Schwalbe Marathon Racer 16 inch tyre was introduced to the Brompton line as a standard factory fit option in December 2017
ETRO size: 35-349
Tyre pressure: 65 psi (min) to 110 psi (max) or 4.5 bar (min) to 7.5 bar (max)
Tyre bead: Wired
Directional: Yes - so the tyre needs to be fitted the correct way around
16 inch inner tube from Schwalbe with presta / racing type valve. See below for...
High quality butyl inner tube for Brompton wheel size 37-340 - 16 x 1 3/8...