Available in Natural (gray) or Gold (+$10)
(Gold on the SRX-2 color is a subdued gold color, not bright gold)
520 pitch chains come with a clip-style master link
525 and 530 pitch chains come with rivet-style master links
The SRX chains feature lightening holes on the side-plates for 3% weight reduction, reduced friction and Quadra X-Ring design which increases chain life from 1.5 to 2 times longer than a standard O-Ring chain.