1、Reduce Bumps: RC metal swing arm can effectively improve the performance of the remote control car, reduce the vibration caused by the jolty road surfaces, and make the remote control car ride smoothly. 2、Easy to Replace: The aluminum alloy rear upper swing arm is easy to install and remove, and can directly replace the original plastic parts or damaged parts for higher strength. 3、Aluminum Alloy Material: The RC car swing arm is made of aluminum alloy material, which is wear resistant, high strength, more refined in appearance and durable. 4、Beautiful Practical: Metal upgrade parts swing arm has a refined appearance and stable performance, which can make your RC car look more vivid, cool and practical. 5、Scope of application: RC Aluminum Alloy Swing Arm is light in weight and does not increase the burden of RC cars, suitable for 1/16 RC cars such as for SG1603,for SG1604,for UD1601,for UD16024. Item Type: RC Car Swing Arm Material: Aluminum Alloy Applicable:For SG1603, for SG1604,for UD1601, for UD16024 1/16 Remote Control Car 2 x RC Car Swing Arms 2 x Screws