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 520ERT3 has been developed especially for the SX and MX racing sport. Across from

its predecessor, the 520ERT, an e was in the development of 520ERT3 reduction

of the weight by 5%.

In addition, rivets made for the 520ERT3 by a special method (SDH)

which have a high surface hardness.

- very good ratio of tensile strength to weight

Gold-colored interior and exterior lids (G & G = Gold and Gold)

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