Blue Bird servo BMS-M57H HV 10.6Kg.cm 0.09s 22.0g 10mm
Operating voltage: 6V to 8.4V DC
Speed: 0.13sec/60° (6.0V) - 0.10sec/60° (7.4V) - 0.09sec/60° (8.4V)
Locking torque: 8.1kg/cm (6.0V) - 9.3kg/cm (7.4V) - 10.6kg/cm (8.4V)
Sprockets: Metal
Bearings: double
Dimensions: 38x11x28 mm
Weight: 22 gr
Number of teeth: 25 (like Futaba)