The MS25 twist shifter from microSHIFT is designed to be simple and easy to use.

Compatible with Shimano 7-speed mountain and road systems
Indexed left shifter works for double and triple

Double or Triple: Double , Triple
Front Der/Shifter Compatibility: Shimano Mountain
Shifter Style: Twist
Rear Der/Shifter Compatibility: Shimano Mountain
Drivetrain Speeds: 7
Weight: 280g