e*thirteen TRS Plus Cassette Upgrade Kit Cassette Chain Shifter Derailleur Conversion Kit - 12 Speed 9-46t BLK

e*thirteen TRS Plus Cassette Upgrade Kit with Cassette Chain Shifter and Derailleur Conversion Kit - 12 Speed 9-46t Black. The e*Thirteen TRS Plus 12-Speed Upgrade Kit lets you upgrade your existing 11-speed SRAM drivetrain to a 12-speed drivetrain without needing new cranks chainrings shifters or derailleurs. All parts and required tools are included including new internals for the SRAM shifter.

Kit is also compatible with Shimano XTR XT and SLX 12-speed drivetrains when used with Shimano 12-speed derailleurs and shifters

Smaller 9-46T cassette gives a better chainline for longer-lasting drivetrains

The assembly utilizes XD™ Driver mounting to enable a 9-46T 12-speed cassette keeping the drivetrain simple yet providing the gear range of a 2X system