MST RMX 2.0 Ball Differential Set Grease This is the ProTek R/C

This is the ProTek R/C 4S 2100mAh

2 Crawler application

and matches the servo shaft spline (25T) made by Futaba

Wait about 20 mins

)6) YOU MUST not over discharge the Li-Poly battery pack7) READ & UNDERSTAND the instructions carefully before operating this batteryNOTE: When using high energy Li-Polymer Batteries

MST RMX 2.0 Ball Differential Set Grease This is the ProTek R/CThis is the MST RMX 2. 0 Ball Differential Set. This optional ball differential set provides smooth differential action that is adjustable to driving conditions. Ball differentials accel in medium to lower grip surfaces but can be useful in the majority of circumstances. Designed to fit the RMX 2. 0 platform this is an excellent upgrade. Package includes one complete ball differential kit.