Anti-Rust Aluminum Frame, Fito Modena II Alloy Shimano 3-speed men's 26" wheel Beach Cruiser Bike (MATTE BLACK/RED RIMS)) LIGHT WEIGHT & ANTI-RUST STRETCHED ALUMINUM ALLOY FRAME. NET WEIGHT: APPROX. 30 LBS FENDER SET IS AVAILABLE AND SOLD SEPARATELY. SHIMANO NEXUS 3-SPEED DERAILLEUR. SHIMANO NEXUS GRIP SHIFTER. ALUMINUM ALLOY TWIN-BOLT STEM. 26" ALUMINUM ALLOY RIMS. 36 STAINLESS STEEL SILVER SPOKES. FRAME SIZE: 18". LOWERED FRAME FOR MEN BETWEEN 5'2" & 5'11". WEIGHT LIMITATION: 200 LBS. MAX. TIRE PRESSURE: 40 PSI. 85% PRE-ASSEMBLED. JUST NEED TO INSTALL THE FRONT WHEEL, HANDLE BAR, SEAT, AND PEDALS. THE ADJUSTMENTS OF WHEEL, BRAKE, AND GEARS MAY BE REQUIRED. PROFESSIONAL ASSEMBLY SERVICE IS RECOMMENDED.