SwitchGrade Pro Seat Angle Adjuster

From Thunder Mountain Bikes

The SwitchGrade Pro is the pinnacle of saddle positioning technology. CNC-machined lighter-weight and built from years of real-world rider feedback to make climbing easier more comfortable and less painful. The exclusive mechanical indexing system delivers up to eight discrete saddle positions separated by five degrees. Disengage rotate freely release and snap positively into place no hunting no fussing just fast and confident adjustments on the fly. From full lockout to 35 degrees and anywhere in between. Independently adjustable front and rear limit screws let you dial in a personalized tilt range for your riding style and terrain.