Born to Win
D.I.D’s SDH Pin technology provides the optimum balance between light weight and strength to get you to the top of the podium.
The choice of the top AMA teams - Top AMA riders rely on D.I.D’s 520ERT2 to achieve great results in the race to the finish.
SDH Pin - Extreme Impact Pin Strength:
- SDH pin treatment creates an extremely hard Chromium Carbide Layer on the pin's surface. But at the same time, the ineer core is maintained soft to absorb shock loads of extreme jumps, etc.
Solid Bush - Cold-Formed High-Precision Bushing:
- Solid Bushing chains have a high wear-resistance. The cold-formed solid bushings have a smooth seamless surface with complete roundness.
- Solid bushing = longer chain life
This chain has 120 links.