SRAM EX1 XG-899 Cassette - 8 Speed, 11-48t, Black 650 B The adjustable geometry allows fine-tuning

The adjustable geometry allows fine-tuning for terrain and riding style

The integration of the wireless SRAM Red eTap drivetrain enhances the bike's overall performance

and improved puncture protection

The top-load design ensures easy access on compact frames

With high-quality components

SRAM EX1 XG-899 Cassette - 8 Speed, 11-48t, Black 650 B The adjustable geometry allows fine-tuningThe EX1 drive train was designed specifically for the demands of electric assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads. Liberal use of features found on SRAM's high end MTB parts provide high value, quiet operation and ease of service.