DID/PBR Chain Kit 520VX3 14/52 Standard - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket Each Boyesen RAD Valve is

Each Boyesen RAD Valve is unique - tailor made to that model

Very light and resistant

Pre-installed OE style bearings included

Lightweight one piece nut and washer design and are CNC machined from 7075-T6 aluminium

CNC Machined to extremely tight tolerances

DID/PBR Chain Kit 520VX3 14/52 Standard - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket Each Boyesen RAD Valve isPBR chain set with steel standard sprocket, and the following sprocket alternatives: Ultra Light aluminum hard anodized sprocket Ultralight rear sprocket Ultralight hard anodized rear sprocket Ultralight, self cleaning, hard anodized sprocket and D. I. D 520VX3 X Ring Chain 520 (see scope of delivery) For outstanding performance and durability: The PBR chain set consists of the robust PBR steel standard sprocket, a high strength PBR sprocket, which is