D.I.D - 520 ERV3 Rivet Chain Metalize Now in two color combinations

Now in two color combinations

For training guidance that takes you and your fitness level into account

Charging/data cable

Parts are not included in pricing

Great For:

D.I.D - 520 ERV3 Rivet Chain Metalize Now in two color combinationsThe DID ERV3 Chain is the go to, high performance 520 racing chain designed to be light weight and provide very low friction. It is designed for racing and for those that demand the highest performance over all else. Chain pins for the ER series of chains are put through a special process that creates a 1. 5x harder surface as compared to conventional heat treating. The ERV3 Chain is a staple of road racing and provides the highest wear resistance,