3pcs RC 12 mm Hex Nut One Way Bearing R025 Compatible for VX 16 18 SH 21 Engines Parts for HSP RedCat 1/10 RC Car 1Compatibility: Replacement part no. R025. Designed specifically for VX.18.16.21 12mm engines, this 12mm hex nut one way bearing ensures proper fit and optimal performance. 2Easy Installation and Removal: RC 12mm hex nut one way bearing is designed for easy installation and removal, making maintenance and repairs hassle free. 3RC 12mm Hex Nut One Way Bearing: Suitable for HSP for RedCat 1/10 RC Car. It is a perfect accessory for your RC car. Nice and wonderful spare part. 4Durable: Made with iron materials, this hex nut one way bearing is built to withstand the rigors of engine car performance, ensuring durability and longevity. 5RC Accessories: 12mm hex nut one way bearing is an essential component of the engine, providing reliable power transmission and enhancing the overall performance of your RC car. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.