SRAM XX1 Eagle 10-52 Cassette Gold Deda and applying input from the

and applying input from the world's best athletes

thanks to smart foot pedal tilt

The rear hub has larger bearings on the driveside for better durability

42 mm outer diameter

SRAM XX1 Eagle 10-52 Cassette Gold Deda and applying input from theWhether for prized race machines or the build of their dreams, the XG 1299 cassette is the ultimate, giving riders 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 athletes power transfer is most efficient and wear is minimized.