VM series chains have superior strength to combat breakage due to tremendous horsepower and acceleration. A special minimum friction "X" ring is used to increase performance and provide better sealing to keep out dirt and keep in lubricants. Chain has gold outer plates and comes suppied with a rivet or clip style master link.

520VM works great on all 125cc to 750cc off-road/dual sport applications and all 500cc to 800cc street applications.