Hello there, The Raleigh MOONRAKER 29 Alivio is a bicycle that suits your requirement. It comes with mechanical disc brakes, double-wall alloy wheels and a 36-inch alloy hub. It comes equipped with a Shimano Tourney front derailleur and Shimano Alivio m410 rear derailleur that makes riding 40km to 50 Km a breeze. The rear derailleur is best for bikes used on streets or smooth trails. It is trouble-free in normal use and should suit your requirement.