Introduction: #27401 - Reedy S-Plus 21.5 Competition Spec Class Motor, #27401C - Blackbox 800Z ESC / Sonic S-Plus 21.5 Combo, #27402 - Reedy S-Plus 17.5 Competition Spec Class Motor, #27402C - Blackbox 800Z ESC / Sonic S-Plus 17.5 Combo, #27403 - Reedy S-Plus 13.5 Competition Spec Class Motor, #27403C - Blackbox 800Z ESC / Sonic S-Plus 13.5 Combo, #27404 - Reedy S-Plus 10.5T, torque, #27428 - Reedy S-Plus 21.5, torque, #27429 - Reedy S-Plus 17.5T, torque