SRAM XX1 Eagle XG-1299 10-52 12 Speed Cassette Rainbow Colour:Rainbow 150 TPI Nylon casing for

150 TPI Nylon casing for high mileage

Heavy duty

ANT+®: Yes (radar

Increased volume and smooth action

SRAM XX1 Eagle XG-1299 10-52 12 Speed Cassette Rainbow Colour:Rainbow 150 TPI Nylon casing forAbout SRAM XX1 Eagle XG 1299 10 52 12 Speed Cassette Rainbow Whether 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