Manufacturer may substitute components with components of equal or greater performance level Features: Lightweight and durable ALUXX aluminum frame features 6061 alloy with single-butted tubes to produce strong and durable framesets Fast-rolling 700c wheels and upright positioning create a balanced and efficient ride Powerful disc brakes and a wide range of gears help increase speed while maintaining control Frame geometry is specifically engineered to produce a balanced feel that blends flat-bar positioning with fitness and road acceleration Proprietary “D” shaped composite seatpost dampens vibration, resulting in a smooth, compliant ride Integrated rack mounts make it easy to carry your daily essentials Clearance for larger tires up to 45mm in width, which makes it easier to ride rougher roads NOTICE: Used Bikes and/or bikes purchased online that have been assembled are non-returnable. We strongly recommend that a professional bicycle mechanic properly assembles, repairs, and maintains the bicycle. DICK'S Sporting Goods will provide free in-store assembly service by a certified technician for any bicycle purchased on our website or in our stores (proof of purchase required). If you choose to assemble the bicycle yourself, DICK'S Sporting Goods is not responsible for injuries or damages resulting from improper assembly.