MWX Tuned 6G Servo - MX-OS-166These are tuned 1 28 scale servos. After months of testing we were able to come up with an excellent tune. another feature that we had concern with was the "wandering" and constantly having to adjust left and right endpoints. This is no longer an issue with the MWX servos MAKE SURE YOU HAVE ONE OF THESE: (LATE RELEASE R1 KITS ALREADY HAVE THE SMALL MOUNT,CLEARANCE FOR THE SIDEWIRE) R1 One piece servo mount(R1 1SM 013) (mwxperformance. com) R1 One