They concentrate the mass for less overall rotational mass than the the stock Jato driveshafts

landing gear and more

8635 - Axle carriers

Fits Nitro Tracker

Team Losi Racing TLR231087 Chassis Brace Set 22X-4 Arrma Parts They concentrate the mass forTeam Losi Racing TLR231087 Chassis Brace Set 22X 4 This genuine Team Losi Racing part is a direct factory replacement, engineered to fit the 22X 4. It gives you a factory correct option when it's time for maintenance, repair, or an upgrade on your model. Sourced directly through official Losi parts channels, this component is manufactured to original specifications so it installs cleanly and performs like the part it replaces. Keep a spare on hand to