Aluminum alloy light weight & anti-rust frame, handle bar, stem, seat post, rims, brake arms, brake levers. The Netweight is approx. 32 lbs. * Crank forward design. Shimano Tourney 7-speed derailleur, freehweel, & shifter which are the same components on Nirve & Electra cruiser bikes. * Extra padded oversize saddle & vinyl leather grips. Free bell & lock included. * Lowest seat height: 29.5". Weight limitaton: 220 lbs. Tire presure: up to 40 PSI. * Will Call Center Located in Los Angeles.