Anti rust light weight aluminum alloy frame Fito Marina alloy 3 speed 26" wheel mens beach cruiser bike bicycle black with brown seat LIGHT WEIGHT & ANTI-RUST STRETCHED ALUMINUM ALLOY FRAME. NET WEIGHT: APPROX. 32 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: 17". LOWERED FRAME FOR MEN BETWEEN 5'1" AND 6'0". 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 AND GEARS MAY BE REQUIRED. PROFESSIONAL ASSEMBLY SERVICE IS RECOMMENDED.