After Sam Sunderland rode home to victory in the 2022 edition of the Dakar Rally , it was only a matter of time before GasGas followed in the tyre marks of sisterbrand KTM and offered a replica of the RX450F to fans . Each RX450F Replica is carefully assembled just like a race machine with many of the very same high-performance components that can be found on Sunderland ’ s Dakar-winning machine . Based on the engine from the MC450F motocross bike , the GASGAS RX450F Replica certainly isn ’ t short on performance . Electrical wizardry tames things just a little to deliver usable power tailored specifically for rally racing . Inside the motor it ’ s pretty special too . For added reliability there ’ s a strengthened clutch and gearbox , a reworked SOHC cylinder head , as well as a Pankl con-rod and piston . When it comes to suspensions , the RX450F Replica gets the best of the best with WP PRO Components . Up front is an XPLOR PRO 7548 fork with the XPLOR PRO 7750 shock handling things at the rear . According to GasGas , this combo inspires confidence thanks to its consistent performance across the roughest and toughest of rally terrain . Completing the build and making sure that the GASGAS RX450F is capable of racing at the highest level from new , a selection of the finest aftermarket components are installed during the assembly process . Performance-wise , we ’ re talking X-TRIG triple clamps , oversize Brembo