The Halo series of bearings are a high quality steel/chrome bearing with rubber seals. These bearings have been tested and proven by hundreds of racers.

5x10x4 Halo bearing by Avid Racing Concepts is the standard bearing for 1/8th nitro clutches. 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)