When it comes to winning in the MX1, nobody gets past the 450 SX-F. Trend-setting technology for the engine and frame, plus an

When it comes to winning in the MX1, nobody gets past the 450 SX-F. Trend-setting technology for the engine and frame, plus an extremely light chassis, makes this bike the ultimate mean machine. Other ingenious features, like its super-light electric starter, can save you crucial seconds when the going gets tough.