AFAM CHAINS 520MX6-GG Chain Size 120L Colour GoldDescription:This chain benefits from advanced techniquesfor MX:- chromed pins- forged bushings and rollers- liighter plates- high grade steel for a longer life-spanApart from the look, 3 major improvements have been made:- Increasement of the Push out Force between the pins and the outer plates.- Increasement of the Push out Force between the bushes and the inner plates. These 2 elements will limit in a very important way the phenomena of hard points on your chain and what will allow you to keep a very good flexibility throughout the use.- The most significant improvement is the increase of the fatigue strength, we have increased it by about 20% compared to the A520MX5, this means that your chain will stretch less and less quickly.SKU: A520MX6G120, A520MX6G, A520MX6-G