Diamondback Bicycles 2016 Century 2 Ready Ride Complete Road Bike with Disc Brakes Diamondback Pro Build: bike comes in bigger box, takes less time to assemble and is ready to ride in a few easy steps 7005 aluminum alloy frame with Enhanced Performance Geometry--ride all day in comfort DBR AAMP disc carbon road fork with tapered alloy steering Shimano hydraulic road disc brakes, 160/140mm rotors Shimano 2x11 drivetrain with Ultegra rear derailleur Diamondback Ready Ride: bike comes in bigger box, takes less time to assemble and is ready to ride in a few easy steps 7005 aluminum alloy frame with Enhanced Performance Geometry--ride all day in comfort DBR AAMP disc carbon road fork w/ tapered alloy steerer Shimano hydraulic road disc brakes, 160/140mm rotors Shimano 2x11 drivetrain w/Ultegra rear derailleur