I live in Cambodia and there is a plethora of 26 1 3/8 bikes, tires, tubes, and rims available here. Tires for $3 or $4, tubes for $1.50, rims for $8 or $9. A step thru 26" x 1 3/8 bike is about $40 for a Single or three speed and $50 for a six or seven speed. Add $5 for a Dyno hub on the front.