Redcat Racing Aluminum Servo Arm L-Shape Gun Metal Aluminum servo arm L-shape gun metal Genuine Redcat Racing Hop Ups, Spare Parts Redcat Racing Part Number 80236m For troubleshooting and warranty information please contact a Redcat Racing Customer Service Specialist at 602-454-6445 or by emailing amazonsupport@redcatracing.com NOTE: Please read the User Manual before use.