RiBMo: short for Ride Bicycle More. Most puncture resistant Urban tire offered by Panaracer. All Contact tread design features a fast rolling pointed centerline (smaller contact patch) and gentle center-to-side transition for added cornering predictability . Protex Shield is 300x more puncture resistant than similar technologies . 800D strong cord improves rigidity and pinch flat/side cut resistance. Long wearing, smooth riding Mile Cruncher compound