FOX Racing® QS3 Shocks Proven Timbersled Performance: The Timbersled ARO platform revolutionized the snow bike industry. It optimizes a bike's performance by making more efficient use of the engine's power, delivers easy and responsive handling, and dramatically improves deep-snow performance. Balance & Precision: The state-of-the-art Timbersled ARO platform combines the Timbersled Traverse Ski and Timbersled Traverse Track with an aluminum chassis for precise handling and improved deep snow lift. Easiest to Own: Timbersled is backed by the world leader in powersports: Polaris. With the advanced engineering and design capabilities of Polaris, Timbersleds are an easily converted, low maintenance snow bike system. The direct bolt-on design means no bike or air box modifications, with pre-bled brakes making it easier. Add in Timbersled's world class accessories & extensive dealer network, and its clear Timbersled is the easiest ownership experience. Timbersled Tough: Strong where it needs to be and light where it can be, the Timbersled ARO is the top choice of athletes and extreme backcountry riders. The aluminum chassis provides lightweight strength for increased durability without sacrificing performance. Chain Case Chain: EK520 SRX2 52 Link (continuous) Chain Slider: Standard Disc Brake Type: Wilwood Hydraulic Dual Piston Drive Chain: EK520 SRX2 70 Link (master link) Jack Shaft Sprocket: 17 tooth - 15t spline Lower Chain Case Sprocket: 17 tooth - 15t spline Upper Chain Case Sprocket: 18 tooth - 15t spline Estimated Dry Weight - Front (lbs/kg) 16.0 / 7.25 Estimated Dry Weight - Rear (lbs/kg) 113 / 51.3 Overall Length - pivot to bumper (in/cm) 65.5 / 166.37 Front Track Shock: Timbersled IFP Rear Suspension: Timbersled ARO™ Long Travel Rear Track Shock: Timbersled IFP Rear Travel - Fixed Install Kit (in/cm): 12 / 30.5 Rear Travel - TSS Install Kit (in/cm): 20 / 50.8 Skag Type: Timbersled Traverse™ Hardened Ski Type: Timbersled Traverse Ski™ Track Width / Length / Height (in): 11.5 x 129 x 2.5 Traverse Track™ Fuel Storage StrapAccessory: Install KitsARO Fixed Strut/Suspension Strut StorageAccessory: Storage MatAccessory