Kenda Kontact 20 x 1.75" (406) 40-65psi tire

Good commuting tire. Bike Friday bikes can be built with either 451 and 406mm rims. Both sizes can be referred to as 20" wheels, when the 451 is a larger rim. Confirm you have a 451 or a 406 before ordering by looking on the side of your current tire to confirm the rim diameter.