DID 520 ERT3 120 RB Link Race Only Road/Off Road Non-O-Ring Gold Chain SDH

Specifications:

• 520ERT3 is designed for the Moto3 Regulations that require a higher performance chain.
• SHD pin treatment creates an extremely hard Chromium Carbide Layer on the pin's surface. But at the same time, the inner core is maintained soft to adsorb shock loads of extreme jumps.
• As with all DID chains it is made with the latest chain manufacturing technology by DID's experienced engineers in Japan at the high quality DID is so renowned for.