USD124.99

S8411 competition Big upper bearings CNC upper case Super steel gears C to E gear brass B gear Coreless Special Motor Xbus programmable Stall toque 2.6Nm 26.5kgfcm 368oz in Speed 0.12sec 60° 120 degrees 180 degrees changeable Idle current 0.1 amp Stall current 2.4 amp 35mmX19mmX39mm 68g