Hey RC enthusiasts, if you're tired of stripping plastic spur gears on your ARRMA vehicle, this metal replacement is exactly what you need. This 57-tooth, 0.8 module spur gear is built tough with metal construction that can handle the punishment of serious bashing sessions. The 0.8M tooth profile ensures efficient power transfer from your motor to the wheels, so you get better performance without losing power through gear slippage. It's a direct replacement part that fits perfectly where your old spur gear was, and the metal construction means it's going to last way longer than the stock plastic ones. Whether you're running on rough terrain, doing high-speed passes, or just generally beating on your RC car, this gear can take the abuse. Installation is straightforward if you're familiar with working on your ARRMA vehicle - just swap out the old gear and you're back in action. The durability is seriously impressive - no more worrying about chewing up gears when you're pushing your RC to its limits. It's one of those upgrades that just makes sense if you're tired of constantly replacing worn-out spur gears. Perfect for ARRMA owners who want reliability and performance without the constant maintenance headaches.