Cru Grill Grid - CRU32GG1. CRU32GG1. Grill Racks. Transform your wood-fired oven into a versatile barbecue with the Cru Grill Grid and maximize its potential. A fun and flavorful way to grill that adds another dimension to your wood-fired cooking experience. The ultimate tool for the Cru 32, Champion and Pro Series Ovens or any oven large enough to use it.