525 Zre Z-Ring GB 120rs+Rh chain

New high -performance ZR chains with new z -ring sections with patented Z44 label
The z ring is flexed when it is assembled, creating a spring effect that guarantees that the seal will not decrease over time.
The Z ring section also provides greater chain flexibility.
It has high alloy steel plates and pins, caps and solid rollers and plaques, pins and granalized rollers.
Pre -struck to improve performance.
Clip type link included
Gold color
Regina 137zre/016