Use this Estella 348PSM10LWHL lower belt wheel to replace a broken or missing component on your spiral mixer. This lower belt wheel is a direct replacement for the one that came with your Estella SM100, SM130, and SM160 spiral dough mixer. This lower belt wheel will help keep your unit operating safely and efficiently. If you notice a problem with your unit's lower belt wheel, use this replacement to restore the mixer to working order.