The BR series of bearings are a high quality steel/chrome bearing with metal shields. These bearings have been tested and proven by many racers.

5x10x4 Flanged BR Series bearing by Bego Racing is the standard bearing for the Mugen MST-1 Truck. Check your manual for the correct size for you vehicle if you are not certain.

• METRIC: 5mm (Inner) x 10mm (Outer) x 4mm (Width)
• STANDARD: 0.19685" (Inner) x 0.3937" (Outer) x 0.15748" (Width)