Sram Cassette 1299 Eagle 10 52T Copper 12s

The SRAM XG-1299 cassette is the ultimate" giving riders an unprecedented 520-percent range thanks to the new 10-52 tooth span. Stronger racers are now free to choose larger chainrings for more top-end speed" without sacrificing climbing range. More time is spent higher up in the cassette where the athlete's power transfer is most efficient and wear is minimized. Featuring the industry's strongest X-Dome architecture and proven XD driver body" it's also backwards compatible to give riders" even more" Eagle upgrade options for their current bikes. With multiple Olympic" World Cup and World Championship titles" it also matches up perfectly with XX1 Eagle AXS-enabled componentry. The XG-1299 cassette utilizes the full depth of the new Eagle Color system. The SRAM XG-1299 cassette completes the expression of the world's most accomplished and sought-after bikes.