Shimano Deore XT CS-M771 10 Speed Cassette | Christy Sports
Shimano Deore XT CS-M771 10 Speed Cassette | Christy Sports, Shimano's new XT-level 10-speed cassette specifically designed to work with a 10 speed drivetrain. Shimano developed Dyna-Sys with the goal of increasing rider efficiency. This means closer ratios, smoother shifts, and a more stable pedal stroke. Shimano Deore XT CS-M771 10 Speed Cassette | Christy Sports