Models View all Mini Servo HiTEC HS-85BB 28 1139 3 Ball Bearing - 1/8" bore 7 271 0 Ball Bearing - 3/16" bore 4 165 0 Mini Ball Linkage - 2-56 x 3/16" 12 425 1 Clamping Hub - 3/16" bore 12 203 2 Micro Servo HiTEC HS-5065MG 37 963 5