This Rocky Mountain Fusion is a size medium suitable for riders 5'6" -5'11" The frame is made from %100 chromoly steel, and has a rigid steel fork. Steel-framed bicycles have a well-earned reputation for rugged, dependable reliability. The bike was fully stripped down, disassembled, and rebuilt to perfect working order. Every component was individually inspected, and cleaned. Or replaced with new. The bike has a full Shimano Deore groupset; deore derailiuers, crankset, brakes, and wheel hubs. Brand new Shimano shifters, and new brake levers. New grips, tires, and pedals, Comes with a high quality Ergon saddle. List of brand new parts installed includes ; Wheel hub bearings, Headset bearings, SRAM PC830 chain, Jagwire shift housing, Shift cables, Brake housing, Brake cables, XLC Brake levers , Shimano 7- speed shifter , Shimano 3 -speed shifter, VANS x ODI grips, CST Tanwall tires, Purple MTB pedals, Valve caps, All new parts were installed for the purpose of refurbishing and selling this bike. They have not been used.