You give your all and push yourself to ever better performances, sometimes under the toughest conditions. Then you should also be safe in the knowledge that your power meter won't cut out exactly when you need it most. Enjoy up to 200 hours of riding time in any weather with IPX7 waterproofing and 10k temperature compensation. When adverse weather doesn't hold you back, you need a product that can keep up. That's exactly what we made the DZero DUB power meter for. Train harder, ride faster and unlock your ultimate potential. Without battery cover.