Bybafun 27.5-in Adult unisex Mountain bike

27.5-in Adult unisex Mountain bike. Sturdy and durable aluminium alloy frame, provide safe and stable cycling experience,comes 85% assembled,. 7-speed rear derailleur and 3x7 speed shifter ,make gear changes easy and smooth,KENDA 27,5x2 Inflatable rubber tires,excellent traction shock absorption fit all-terrain adventures,. Suspension fork soak up bumps and thumps to provide you a durable riding experience,Front and rear double disc brakes , Sensitive braking system More secure and faster ,