RSx4S-Response H.C with Selector 4s Servo Arms which can be added in

which can be added in conditions that require more rear traction

vintage touring cars

and EXO Series

high voltage and waterproof

RSx4S-Response H.C with Selector 4s Servo Arms which can be added inThe Servo model selector for 4S is included so you can easily switch between preset models. Features: Coreless motor Reinforced stainless steel final gear Hard alumite aluminum gear Dual ball bearings Hard servo gear shaft Aluminum top case Aluminum heat sink middle case Black cable Gold plated connector Serial Compatible HCS Compatible Specifications: Torque: 17. 6Kg cm Speed: 0. 06sec 60deg(@7. 4V) Torque: 14. 5Kg cm Speed: 0. 07sec 60deg(@6. 0V)