Mix beer, tomato paste, honey, oil, 1 tsp. pepper and 2 tsp. paprika powder. Wash the roast, dab dry and coat with it. Leave to stand for at least 1 hour.
Salt the roast. Place on the bone on the grill rack. Cover and grill in a hot kettle grill at indirect heat for about 2 hours.
Clean, wash and finely chop the peppers. Dice bacon into small cubes and fry until crispy without fat. Drain on kitchen paper. Sauté peppers in hot bacon fat. Season with salt and pepper. Mix both into the coleslaw.