Size available: 16",18",20",24" For the fork, we can painted different colors or chromed.. For the rim, we can do plastic rim, aluminum rim and steel rim. The minimum order is 500pcs.We can mix different size for you. For the chromed fork with steel rim(Unicycle U-02), the price are as the following: Unicycle 16": GW/NW:5KGS/4.5KGS, Carton Size: 40X18X40CM, Unicycle 18": GW/NW:5.5KGS/5KGS, Carton Size: 45X18X45CM Unicycle 20": GW/NW:6KGS/5.5KGS, Carton Size: 50X18X50CM Unicycle 24": GW/NW:6.5KGS/6KGS, Carton Size: 60X18X60CM We can make aluminum rim, and the price will be US$1/PC higher. Package: 1pc/carton. For a carton, it includes one wheel, one chromed fork, one saddle, one pair of pedal, and one manual. Loadability; 16" 910PCS/20FCL,1885PCS/40FCL 18" 770PCS/20FCL,1560PCS/40FCL 20" 588PCS/20FCL,1212PCS/40FCL 24" 396PCS/20FCL,816PCS/40FCL