EK 520SRX X-Ring Chain EK has made the 520SRX X-Ring affordable for everyone X-Rings have greater sealing surface and less friction than O-Ring chains X-Rings keep dirt, water and grit out of chain **Note: Recommended Chain Length is a based on OEM gearing and chain size. May require additional links or cutting if stock gearing has been altered. Click here to view all chain link options
Specifications