What a monster. The Retrograde is a bike that is totally unique in our line. It features a strong yet lightweight aluminum frame, chromoly fork, massive 3.0 Kenda Havok Sport tires and a 9 speed Shimano Altus drivetrain. It’s a total beast and it’s dying for you to ride it into battle. Lightweight Aluminum Frame Mechanical Front & Rear Brakes Quick Release Seat Post Chromoly Fork 27.5″ Alloy Double Wall Rims 9 Speed Shimano Altus Drivetrain 3.0 Kenda Havok Sport Tires Tektro Mechanical Disc Brakes Super Wide 29″ Handlebar