Enhance your HPI Savage X Trophy 3.5 & 4.6 (14mm Hex) with this high-quality one-way bearing. Designed to fit for HPI and compatible with nitro & glow fuel, this black-coloured bearing ensures smooth operation and longer lifespan of your RC model vehicle. Its durable construction and precision engineering make it a reliable choice for RC enthusiasts seeking better performance. Upgrade your model vehicle today with this top-of-the-line one-way bearing and experience the difference.