1.Size:
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12" 14" 16" 18"
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2.Bike Frame:
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steel and painting, argon-arc welding or CO2 welding Φ22X0.8-1.5mm
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3.Bike Fork:
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steel and painting, co2 welding steel /suspension fork Φ22X0.8-1.5mm
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4.Part to tighten the seat tube:
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very easy to assemble and tighten;
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5.Brake:
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F/R Caliper Brake or R band brake or V brake or foot brake;
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6.Tyre:
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12"x1.75,16"x1.75, 20x1.75 or 1.95 2.125 2.4 air tires or EVA tire;
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7.Saddle:
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good leather, common or spring /plastic/imitation leather/ plate PVC
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8.Chain wheel & crank:
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12"24T×89/1628T×102/20"28T×127 CP/ED
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9.Mudguard:
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plastic,steel ,CP;
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10.Color:
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red, black, blue, white. any color you like;
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