Shimano Ultegra CN-6600 Bicycle Chain 10 Speed 11.7518.033.000 A multifunctional bottom

A multifunctional bottom

and Tero EQ come already equipped with a kickstand

Brake performance without sacrificing weight or heat dissipation

spacious zippered pockets in the hip wings and much more

Shimano Ultegra CN-6600 Bicycle Chain 10 Speed 11.7518.033.000 A multifunctional bottomThe Shimano CN 660 10 Speed Ultegra Bike Chain now features an asymmetrical (directional) chain. Shifting precision and smoothness has been significantly improved through the use of different inner and outer plate chamfers and dimensions to accommodate the different shifting requirements of moving the chain inward and outward on the drivetrain.