Alton Corsa R-14D 700C Deep-Dish Rim Road Bike The world's first used dp-780 frame. It is lighter, stronger, and less cost than choro-moly 4130 Slick and smooth intelligently designed new dp-780 frame that is Super lightweight but strong weighing at 24 lbs Newly innovated 14 speed Shimano st-a070 integrated brake levers for convenient ride Racing frame that is perfect on the road with friends or entry-level performance Dual Accessory mounts