The Spark 900 Premium is a 29" wheeled HMX carbon fiber frame with Premium components. Big Wheels, Lightweight Frame: SCOTT Spark 29 Carbon HMX NET Fork: FOX 32 Float 29 Factory CTD Air, 100mm Shock: SCOTT DT Nude2 / 3 modes Lockout-Traction-Descent Group set: Shimano XTR Brakes: Shimano XTR Parts: Syncros FL1.0 Carbon Wheels: Syncros XR 1.5 29"