Single Aluminium Servo Arms:
- UR1801 Single – 23T – Sanwa/Ko/JR (1 pc)
- UR1802 Single – 24T – Hitec (1 pc)
- UR1803 Futaba/Savöx/Power HD/Orion/Ace (1 pc)
Double Aluminium Servo Arms:
- UR1804 Double – 23T – Sanwa/Ko/JR (1 pc)
- UR1805 Double – 24T – Hitec (1 pc)
- UR1806 Double – 25T – Futaba/Savöx/Power HD/Orion/Ace (1 pc)