High-quality, solid roller chain. Non-O-ring .
Note: if your motorcycle came with an Original O-Ring or X-Ring chain, DO NOT replace it with a STANDARD NON O-RING CHAIN, you must replace it with a sealed chain of equal or greater strength.
STANDARD NON O-RING CHAINS ARE NOT SUITABLE FOR HIGH PERFORMANCE MOTORCYCLES
Model No.: 420; 428; 520; 525; 530;