Mach 4 SL Expert XT Di2 youth carves aggressively and swallows every

carves aggressively and swallows every hit along the way

Dead reliable

Dual horizontal mounting bars allow load height to be tuned

Stiff FACT carbon fiber shell is tuned for support and ride compliance

Mach 4 SL Expert XT Di2 youth carves aggressively and swallows everyThe Mach 4 SL is XC, distilled to its fastest formengineered for efficiency, sharpened for precision and built to master the modern racecourse. Born from the crucible of World Cup XC and epic endurance racing, it balances a feathery build with an obsession for stiffness, control and efficiency. Efficiency Engineered Built with our highest modulus carbon fiber, the Mach 4 SL sets a new standard for stiffness to weight ratio. A reimagined frame channels