Feature: 1. General Front and Rear: RC front rear drive cups are universal front and rear, which help to increase the transmission power and improve the performance of RC car 2. Easy to Install: RC steel drive cups are easy to install, whihc can be used without complicated process, to meet your needs 3. Black and Size: RC front rear drive cups are black, with 34mm height and 23mm diameter, suitable for TRAXXAS X MAXX 1/5 RC climbing car 4. Direct Replaceable: RC crawler truck drive cups can be replaced with original plastic replacement parts, helping to improve the performance of your RC car 5. Steel Material: RC front rear drive cups are made of steel material, which is wearable and durable, and has a long service life Specification: Item Type: RC Front Rear Drive Cups Material: Steel Color: Black Height: Approx. 34mm / 1.3 in Diameter: Approx. 23mm / 0.9in Applicable: For TRAXXAS X MAXX 1/5 Remote Control Climbing Car. Package List: 2 x RC Drive Cups2 x Screw