Diamondback Bicycles 2016 Overdrive Pro Complete READY RIDE Hardtail Mountain Bike Diamondback Ready Ride: bike comes in bigger box, takes less time to assemble and is ready to ride in a few easy steps Hand built 6061-T6 aluminum alloy hardtail frame has amazing pedaling efficiency Rockshox Reba 120mm travel fork sets the bar for efficient suspension Shimano 2x10-speed drivetrain provides a wide range of gears for any terrain 27.5" wheels roll well over obstacles and offer quick handling