6600 10SPD: 10 SPEED Vendor_Enve mostly in Taiwan and China

mostly in Taiwan and China

Pass-through shackle provides anti-twist protection

D3O CE certified insert for impact protection

The Maxle Stealth offers a light

Shimano's Dyna-Sys supplies consistent

6600 10SPD: 10 SPEED Vendor_Enve mostly in Taiwan and ChinaShimano Ultegra CN 6600 10 Speed Chain Hyperglide 10 Speed chain Ultegra 6600 and 105 5600 chains are recommended for use in conjunction with Ultegra 6703 and 105 5703 triple Optimized chain for HG sprocket which provides a fast and precise rear shifting performance (especially during downshifts) Chromized rivet pins improve wear resistance Zinc alloy plated outer link surface treatment Chain Connection Type: Pressed Pin Color: Silver Gray Defined