Opel Olympia Wiper Blades Available Here. Rain, snow, sleet, or shine, our car wiper blades will keep your windshield clear so you can see the road ahead. With a variety of sizes and shapes to choose from, we have the perfect wiper blades for your car. Our windscreen wiper blades are highly durable and will last you for multiple seasons. Regularly check the condition of your wiper blades and replace them about every six months for perfect visibility while driving. Find Bosch wiper blades and valeo wiper blades online today and you'll be amazed at how much better quality and value they are than halfords wiper blades.