Description
Bosch Aerotwin AR21U – wiper blade is 530 mm long and boasts a frameless design.
Conquer every season head-on—the Bosch Aerotwin AR21U windshield wiper blade features weather-resistant design, ensuring spotless windshield cleaning in any condition.
Bosch Aerotwin AR21U’s innovative construction boasts a high-performance symmetric fin, designed to deliver long-lasting performance in high-speed scenarios.
A symmetric spoiler spans the entire blade, delivering consistent downforce. By directing air symmetrically above and below, it prevents skidding at any speed. This construction also protects against snow and ice, extending blade life. Its universal fit allows use on either side of the windshield, making it an easy upgrade for vehicle owners seeking reliability.
Frameless windshield wiper blade unleashes a modern tensioned beam, precision-engineered to maintain constant glass contact across multi-radius glass. A resilient metal spine pairs with a premium silicone edge, producing a silent, streak-free sweep. Its wind-cheating contour reduces drag, while smart-fit mounting heads suits most makes and models for rapid installation. The frameless build shrugs off snow and ice, eliminates corrosion points, and hugs modern glass shapes for superior visibility. Drawbacks: higher upfront cost, refill inserts are non-serviceable, plastic adapters may embrittle in severe cold, and clamping force declines slightly on very flat windshields. Rinse with pH-neutral soap every three months and replace every 12–24 months (6–12 months in extreme climates). Experience silent clarity – upgrade now.
Bosch Aerotwin – the premium line from the respected global manufacturer Bosch. Wipers in this line feature an advanced frameless construction and are supplied to the assembly lines of many leading vehicle makers. The wiping element is made from a high-tech composite rubber, offering better performance than natural rubber. Spring strips are produced from a special “Evodium” spring steel and preserve their original tension throughout the blade’s service life.
