Traxxas Blue Rubber Sealed Bearings 6x12x4mm RC Ball Bearing - 5117 Seven Nation Airforce (NATO/Partners) this set gives you everything

this set gives you everything needed to overhaul both calipers in one purchase

this is a commonly used size across a wide range of trainer

Polycarbonate or body paint and primer for the shell

Correct tooth count and pitch must be matched to your existing pinion gear before fitting

Traxxas Blue Rubber Sealed Bearings 6x12x4mm RC Ball Bearing - 5117 Seven Nation Airforce (NATO/Partners) this set gives you everythingThe Traxxas TRX5117 ball bearings are 6x12x4mm blue rubber sealed bearings supplied in a pack of two, designed as direct fit spare parts for a wide range of Traxxas RC vehicles. The blue rubber seals keep dirt, dust, and moisture out of the bearing races, helping maintain smooth rotation in demanding running conditions. These are genuine Traxxas spare parts, making them a reliable choice when worn or damaged bearings need replacing. Key Features