... competitive price best sellers seel frame,fork practical 12/14/16/18/20/22/24/26/28 inch cycle parts1. ... Rim Size: from 12" 16" 20"2. bike Bicycle Frame: steel and painting, thicker ... and painting, co2 welding steel /suspension fork4. Rim: 12" 16" 20" steel alloy or aluminum5. Handlebar and stem: CP, argon ... Φ22X0.8-1.2mm6. Tyre: 12"x1.75, 16"x1.75, 20x1.75 or 1.95 2.125 air ...