This high quality 15T GP5 Main Input Gear (gear profile 5) is the perfect part to carry in your RC tool box.Features:Constructed from hard-wearing steel for long-lasting durability and consistent performance - Straight-cut tooth profile - 15 precision manufactured gear teeth for smooth operation in extreme RC conditions - GP5 configuration to be used with matching GP5 Main Diff GearIncludes:1 x Main Input Gear 15T Straight Cut GP5Requires:To be paired with #ARA311017