Who is this bike for? Mountain bikers into gnarly offroad descents, who need to ride back up for the next run. To help increase stability, they are slightly longer than trail and cross-country bikes, but will use wider bars and shorter stems for more reactive steering.About the Bike The ultimate race bike for the rough and tumble realities of modern XC. This ultralight, super efficient speed machine features unique XC geometry that lets you own the climbs, rule the descents and decimate the competition. The best climbing, best descending and fastest XC race dually ever made. Proprietary Ai offset drivetrain delivers super short chainstays for climb-winning traction and agile handling, without sacrificing mud/tyre clearance or limiting you to single ring set-ups. OutFront Steering Geometry gives you the best of both worlds: slack and stable on hectic descents, yet quick and nimble everywhere else. Unbelievably smooth and precise, the all-new Lefty Ocho out-corners, out-handles and flat-out rides circles around its XC competition. Its custom extra-long fork offsets (rake) make our OutFront Steering Geometry possible. Just say no to energy-wasting flex. Scalpel Si is the stiffest XC dually going, thanks to the evenly dished Ai rear wheel, super short chainstays, LockR locking axles and BallisTec Carbon Construction.Key Features Scalpel-Si Carbon BallisTec Hi-MOD Carbon Frame for stiff but light construction allows you to convert more of your power into speed Lefty Ocho Carbon Fork with it’s unique design is one of the lightest XC suspension forks in the world.Fox Float Factory DPS EVOL Rear Shock delivers high-end suspension performance for superior climbing and descending capability. SRAM XX1 Eagle 12 Speed Drivetrain gives you smoother, more precise shifts with greater durability for long lasting performance SRAM Level Ultimate Hydraulic Disc give powerful, controllable and consistent stopping power with less effort Schwalbe Racing Ray/Ralph 27.5/29 x 2.25 Tyres has the perfect combination of speed and grip, this racer inspires.