This is a pack of ten 13x20x4mm Dual Sealed "Speed" ball bearings. ProTek R/C "Speed" bearings are high quality steel/chrome bearings designed for the R/C racing enthusiast.
These 13x20x4mm bearings are used with the XRAY XB808 family of vehicles and are an excellent choice for any application that uses a 13x20x4mm bearing. These bearings feature a metal shield on one side and rubber seal on the other. Please check the manual that came with your vehicle for the correct size if you are not certain.
This product was added to our catalog on June 16, 2010