Ultimate Racing tech department designed and developed the first clutch system in 1999. Its fantastic performance and reliability made this clutch one of the most required in the market, and helped some drivers celebrate the achievement of some national championships, reaching its best result in 2003 when Miguel Matias won the 1/8 off-road European Championship with the first version of this clutch system.
After few years the tech department has improved the standard clutch system launching this new Compak clutch with the main goal in main of improving its performance and makes its assembly easier for everyone because it comes already assembled what it is perfect for all RC enthusiasts, beginners and high competition drivers.
We have also increased the range of the springs hardness in order to adapt the different driving styles to the different track conditions.
Ultimate Racing is launching the last version of the Compak clutch called V2 in order to adapt it to the last RC cars you can find on the market. The diameter of the new Compak V2 is 34mm, and fits the Associted RC8 and the Xray 808.
It is composed of:
Clutch shoes: Manufactured with high quality and resistance carbon graphite.
Clutch springs: Diameter of 1.1mm, manufactured with long life tempered steel, for super high grip tracks or very muddy conditions.
Flywheel: Manufactured with aluminum 6061.
Engine nut: Designed especially for this clutch system made with high resistant tempered steel.