520-116 Link Triple-S O-Ring Chain Gold Motorcycle Road Bike BF21-25 The restoration is carried out

The restoration is carried out by the author in his own workshop

With a diameter of 143mm it fits perfectly in the steering head of the PX and Cosa models as well as in the lamp bezel of e

The Viton oilseals made by Casa have larger

Available with 22

520-116 Link Triple-S O-Ring Chain Gold Motorcycle Road Bike BF21-25 The restoration is carried outTriple S O Ring Chain 520 116 Link Gold 520 pitch O ring motorcycle chain O ring sealing for reduced wear and extended life Smooth, reliable performance under everyday and demanding use Gold finish for a premium appearance Manufactured in an OE approved facility for consistent quality The Triple S 520 Gold O Ring chain is designed for riders who want extra durability and performance. Featuring O ring sealing to help retain lubrication and reduce wear,