The BOX Four 8-Speed Shifter takes advantage of the "less is more" drivetrain philosophy and exploits durability, simplicity, and reliability.Multi shift shifter pulls up to 3 gears per shiftMulti shift shifter is not intended for use with eBikesEngineered with BOX's "8 is Enough" drivetrain philosophyExtruded clamp2-piece pull leverResin top shellFast action release leverItem SpecificationsColorBlackDrivetrain Speeds8Rear Der/Shifter CompatibilityBOX 8-SpeedShifter StyleTrigger BOX Four 8-Speed Shifter Shifter, Flat Bar-Right UPC: 639266097396