![Clutch bell thrust ring 420D/108 Honda MT 50 S 1980 1982 DID Clutch bell thrust ring 420D/108 Honda MT 50 S 1980 1982 DID](https://www.maggioremoto.it/217359-large_default/clutch-bell-thrust-ring-420d108-honda-mt-50-s-1980-1982-did.jpg)
![Clutch bell thrust ring 420D/108 Honda MT 50 S 1980 1982 DID Clutch bell thrust ring 420D/108 Honda MT 50 S 1980 1982 DID](https://www.maggioremoto.it/217359-home_default/clutch-bell-thrust-ring-420d108-honda-mt-50-s-1980-1982-did.jpg)
DID is the original equipment manufacturer for many Japanese and European brands. The leading racing teams in
Road and off-road sports rely on DID technology.
DID 420D:
As a successor to the proven 420 standard chain, new technology was used to produce the rollers on the 420D.
Previously, the rolls were wrapped with strips of sheet metal, which created a seam and thus a weak point.
With the help of new technology, the rolls are made of round material, thus avoiding a seam.
- 20-50% higher wear resistance than DID 420