2011 KTM 450 SX-F Pictures2011 KTM 450 SX-FThe real motor cycle for combating in the tracks is coming. This motor is presented by KTM and becomes the most challenging motor class. This motor is 2011 KTM 450 SX-F that has the best power in its class. This motor is very suitable for the real expert riders to expanding their experiences. The engine of this motor is very tough and can endure