Mountain bike SRAM XD structure can be installed

11 speed 9-42T :9-11-13-15-18-21-24-28-32-36-42T

12 speed 9-50T : 9-11-13-15-18-21--24-28-32-36- 42-50

Material: High strength steel (9-42T) and 7075 alloy (50T)

Weight: 535g

Color: black silvery

Cassette offers a wider range, more value and lighter weight than the competition. Now, our ULT cassette has an improved structure for smoother shifting.

9-42/50T 556% PALETTE

The new 9-50T cassette weighs in at 535 grams, and has a 556% gear range

Light weight and strong, a perfect balance