For those who want the Best! This bike features our newly designed alloy frame, Cromoly Oval tube Forks, and premium parts throughout. Massive hydro-formed aluminum tubes with matching rear oversized oval tubes. XL Frame is more comfortable for regular, big, and tall riders up to 6'8". True 26x4 lightweight tires. Upgraded Shimano 7-speed button shifter, dual disc brakes, sealed bearing bottom brackets, aluminum pedals, weld-on kickstand, KMC rust buster chain, XL cushion seat, and cables hidden through the top frame tube. This is our top of the line model with everything upgraded from the ground up.