The new X7 triggers represent the expansion and re-alignment of Sram's trigger shifter product line. They've taken the features and benefits of their previous X.9 triggers and brought them to the X.7 level. Stronger materials, higher performance and great value.
Technology: 1:1 Actuation Ratio for precise indexing and control
Speeds: 9sp only
Materials: Alloy, Composite with Alloy lower lever
Compatibility: SRAM 1:1® rear derailleurs