Regina 520 Pitch ZRPX Series Z-Ring Chain 110 Links. Specifically designed for application on high powered bikes, these chains are able to offer exceptional performance thanks to the patented Z-Ring, which offers superior sealing combined with extremely low frictional losses.

Assembled with high alloy steel pins and plates, solid bushings and rollers, shot-peening of plates, pins and rollers and pre- stressed for performance enhancement, assuring excellent resistance to mechanical stresses of the latest superbikes.

These chains are pre-stretched at the factory to ensure the lowest possible stretch rate and the highest grade materials are used for the pins and rollers, giving extreme resistance to wear and long chain life. Ultimate tensile strength is 36KN and the chains weigh just 2.05Kg per 100 links.