Fully butted A1 Premium Aluminium frame with double ORE down tube makes for a lighter weight, more compliant and longer lasting bike RockShox Dart 3 SL 80/100mm-travel fork features rebound/preload adjust and size-specific spring rates for customized performance Dual-piston Auriga Comp hydraulic disc brakes for smooth, controlled, powerful stops Shimano crankset with alloy arms and Octalink-splined BB interface equals more durability, lighter weight and better shifting performance Specialized Fast Trak LK Sport tyres use a reduced knob height for lower rolling resistance