A dropper seatpost assembly is disclosed. The assembly includes an upper post and a lower post having a tubular geometry, the lower post telescopically coupled with the upper post to form a length adjustable seatpost. An actuator located within the length adjustable seatpost, the actuator to allow or restrict a telescopic movement of the length adjustable seatpost. The actuator including an actuator interface configured to couple with a control cable that provides input to the actuator. At least one cutout in a sidewall of the lower post, the at least one cutout to provide access to the actuator interface of the actuator.