Item Type: Deep Groove Ball Bearings Type: RC Accessories Material: Steel, Rubber Weight: 13g/0.46oz Color: Silver Black Size: Inner Diameter: Approx. 12mm/0.47in Outer Diameter: Approx. 18mm/0.71in Thickness: Approx. 4mm/0.16in Suitable: For Traxxas 1/10 MAXX 2.0 RC Car1Premium Material: Made of premium steel and rubber, the deep groove ball bearings are wear resistant, corrosion resistant, has a long service life. 2Suitable: The double sealed ball bearings are suitable for Traxxas 1/10 MAXX 2. 0 remote control car, add more fun and provide maintenance and protection to the remote control car. 3Lightweight: The steel deep groove ball bearings are lightweight, has stable performance, low friction and fast speed, effectively improve RC car performance. 4Double Sealed: The silver black deep groove ball bearings are double sealed, have good durability and performance, providing stable running for RC car. 5Lifelike: With exquisite appearance and stable performance, the rubber deep groove ball bearings make your remote control car lifelike and practical. 4 x Deep Groove Ball Bearings