Front Caster Blocks & Front knuckle arm & Rear Hubs. Front Caster Blocks-2pcs. We are here to help! LOSI 1/24 Micro-B 2WD Buggy RTR（LOS00007）. LOSI 1/28 Micro-T 2S 2WD RTR Stadium Truck（LOS-1392）. (2) Precise bearing position minimizes the gap so the rear wheel joints can rotate smoothly, making the wheel more stable.
