XX1 Eagle Copper Chain Freehub Bodies • 4 Velcro

• 4 Velcro

Important - The Notio needs a power meter and ANT+ speed sensor in order to work

The GX Eagle derailleur gets it done with an updated cage architecture that improves chain management

25mm version offers a tad more spin potential and feel but less durability than the 16 and 15L versions

for tailored lasting comfort

XX1 Eagle Copper Chain Freehub Bodies • 4 VelcroThe 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.