The Sram XX1 XG1299 cassette can be described as the crown jewel of their mountain bike drivetrain range. This cassette features all the design advancements Sram have to make for the most perfect shifting performance possible, taking riders to the podium at world cup and Olympic events alike. The X-Dome construction is not only light but features an open design to shed mud and debris easier, ultimately making for longer lasting components. Now available in a 10-52t option for a huge 520% range your legs will thank you as you make lighter work of the steepest MTB climbs your local Australian MTB trail has. To top all of this off you can now add and match some colour to your bike, the XG1299 cassette is available in gold, rainbow, copper and of course black.