XX1 Eagle Copper Chain Goodr 58% faster than RD-R9150

58% faster than RD-R9150

low battery status is indicated by rapidly flashing sidelights

Specially designed to fit tri saddles that often have trouble finding their rear hydration match

High-quality automatic cylinder

USB Mount Receptor allows lights to be securely mounted or removed from bike in seconds with a simple

XX1 Eagle Copper Chain Goodr 58% faster than RD-R9150The strongest system is a chain with no weak links. Eagle chain links have a smooth radius with no sharp edges or chamfers, which yield a significant reduction in noise, friction, and wear. This design also allows for a flatter plate for more consistent chain riveting and greater overall strength. It's also the biggest contributor to the ultra smooth, precise, durable, and quiet performance found in the 10 50T cassette and X SYNC 2 chainrings.