Hello Selling My Bike $550 This high quality bike has everything any cyclist will ever need with 7 speeds, front and rear disc brakes and mustache handlebars. This bike is an essential addition for any cyclist. Color: Silver Built in bike Bell :) Dimensions: Frame size 8 inches for riders 5'9 inches or taller Seat Dimensions: Seat Post diameter: 34mm length: 350 mm Materials: Aluminum Seat: Vinyl Frame: Aluminum Spokes: Stainless steel Tires: Rubber Handlebars: Flat bar/comfort bar Tire Size:28 inches Shifters/Speed: seven Speed hub roller brakes built in front dynamo powered led light by phillips