Racing chain kit for Aprilia RS 660 and Tuono 660 incl. clip and solid rivet lock.
Extremely smooth-running chain without sealing, an O-X ring chain can easily cost 1kW (1.36 hp) of power.
Therefore, the conversion to this racing chain is a must for every performance seeker.
DID is the original equipment manufacturer for many Japanese and European brands.
Leading racing teams in street and off-road sports rely on DID technology.
The 520NZ is a reinforced standard chain with seamless rollers (made of round material, therefore no weak points).
In addition, the 520NZ rivets are produced by a special process (SDH), which provides a high surface hardness.
