The microSHIFT Estes Thumb Tap Shifter for the right hand offers smooth and precise shifting with a solid lever throw and crisp engagement. Designed for durability and performance, this 8-speed shifter is compatible with mountain bike rear derailleurs. It features an optical gear indicator window that clearly shows your current gear for easy identification. The shifter has an upgraded mechanism for three times longer service life and requires 11% less shifting force compared to the previous generation. Its updated composite construction provides stiffer and more responsive thumb levers. The shifter is black in color and combines reliable function with straightforward design. Right thumb tap shifter designed for precise and responsive gear changes with a solid lever throw. Compatible with MTB 8-speed rear derailleurs for easy drivetrain upgrades. Optical gear indicator window shows current gear choice for quick, clear identification. Constructed with updated composite materials for stiffer, more responsive thumb levers. Durable mechanism offers three times longer service life and 11% lighter shifting force than previous models.