Key Features:Compact footprintJST-SHR connector typeTwo ball bearings9.1mm servo throwOverview:The AS2000LBB is a ball-bearing version of the AS2000L servo. It's a high performance micro-weight servo used in ultra-micro heli and plane applications and is compatible with the AR6400 series of Spektrum receivers.Ultra-micro aircraft builders will want the 2000LBB for the better control surface centering and robust action aggressive 3D flight demands.Detailed Information:Click Here to see Spektrum's Servo Reference Chart