Kojak makes no compromises. Although the fast, sporty, tread-less slick weighs just 295 g (35-559) it still has a RaceGuard protection belt.
Note that the 35-406/20×1.35 is for Moulton TSR.
The 32-355/18×1.25 is for the Birdy and the Strida SX.
And the 32-349/16×1.3/8 is for the Brompton.