Im Running the this very happy with it
http://insidelineracing.co.uk/inside...uipment/servos
£41.75
Measurement L/W/H (mm): 40,8x20,2x26,8
Weight: 47g
Regulating time 60° (sec): 0,105 sec at 4,8V and 0,093 sec at 6V
Pulling force (kg): 10 kg at 4,8V and 12 kg at 6V
Operating voltage: 4,8 - 6V
Ball bearings: 2
Motor type: coreless
Servo gears: High quality steel
Servo housing: Partly aluminium
Servo cable length: 30cm
Servo cabel plug: JR/Futaba
Tooth: 25 tooth
Combat - Security: All servo gear units are made of extremely durable quality steel and are therefore much more resistant than titanium alloys.