frame: 18''steel, hiten, TIG welded, folding frame

Fork: 18'steel, hiten, TIG welded, fork

Handlebar: Folding handle bar, folding box, quick release

Brake Set: F: 69 Caliper Brake R: Band Brake 70mm

Saddle comfort, PVC color saddle

Crank Set: Steel, 52Tx1/8 with crank 152mm CP quadrate hole, with gray cover

Rim: 18'x1.75'alloy rim, 14G*28H A/V materialALLOY

F/R Hub: Steel, 36H

Tire: 18'x1.75', rubble black

Freewheel: Steel, 16T.