Bontrager Line Dropper 31.6mm Actuator Assembly

The Bontrager Line Dropper Actuator Assembly is a genuine replacement part designed specifically for the 31.6mm seatpost model. This component is essential for restoring the smooth, reliable trigger response of your dropper post when the original mechanical interface becomes worn or contaminated.

Regular replacement of the actuator as part of your service interval ensures consistent cable pull and prevents frustrating “sticky” post behavior. This assembly is engineered to factory specifications, ensuring a precise fit and long-term durability for mountain bikers who demand reliable saddle height adjustments.

Quick Facts