DID is an OEM of many Japanese and European brands. Leading racing teams in the
Road and off-road sports rely on the technology of DID.
The development of the 428VX is based on the long - term experiences of DID in the MotoGP and
fulfills the highest demands through the use of the patented X-rings.
Compared to the V-series equipped with an O-ring, the 428VX has a higher strength and
a higher wear resistance.
- high durability and low friction due to patented X-ring