2 needle bearings

The roll-up window provides an unobstructed view through your backup camera and makes raising and lowering your tailgate hassle-free

Sram's new timing port closure system features durable seals and an ultra-smooth cylinder bore finish

Optional Gray Photochromic lens with wider light transmittance range is optimal for changing light conditions

Diameter: 30mm average

SRAM XX DH Transmission Cassette - 7 Speed - XD Driver - 46319 - Silver PLP|EMTB Optimised 2 needle bearingsThe XX DH Transmission cassette is designed to deliver small steps for big power. With a full X Sync tooth profile, the 7 Speed DH specific cassette is the best shifting, most robust DH cassette they have ever made. And just like Eagle Transmission, shifting under load isn't just possible, it's better. This allows you to never let up when dropping gears, letting you get to the next split quicker than your competition. And when milliseconds matter, XX