Highly engineered for maximum stiffness and minimum weight the raceface turbine stem is the perfect versatile mountain bike stem intended for cross country trail and all mountain use the turbine stem features aerospace 7075 aluminium alloy making it perfect for high level cross country racers yet strong enough for the all mountain rider boasting an interlocking 4 bolt bar clamp your bar is secure with the turbine stem race face has become a leading name in the cycling industry since bei