Hi-ten steel EXTENDED frame. CRANK FORWARD Design. Frame size: 18.5″. Shimano Tourney TX-55 7-speed derailleur. Shimano Revoshift 7-speed shifter. Shimano MF-TZ21 7-speed freewheel. Aluuminum alloy rims, stem, brake levers, & brake arms. Extra padded oversize saddle & rubber grips. 36 stainless steel spokes. 26″ cruiser tires. Netweight: 35 lbs. Weight limitaton: 200 lbs. Tire presure: up to 40 PSI. The bike is partially assembled. You will need to install the handle bar, seat, pedals, and front wheel. The adjustments of brakes, derailleur, fenders, and wheels may be required. If you are not familar with bicycle assembly and adjustment, the professional assembly service is recommended. Fedners are not included.