1. Combine paprika, cumin, oregano and garlic powder in a bowl. Add sauces, vinegar and golden syrup. Season with salt and pepper.
2. Cut ribs into portions large enough to fit in slow cooker bowl. Layer ribs and sauce mixture in slow cooker bowl, finishing with sauce mixture. Cover with lid. Cook on low for 8 hours.
3. Preheat grill on high. Place ribs on a large foil-lined baking tray. Spoon over some of the sauce from the slow cooker. Grill for 3 to 4 minutes or until ribs start to char and caramelise. Serve ribs with extra barbecue sauce.
Recipe from: Taste.com.au