Wiper Blade Set Bosch Aerotwin Upgrade eAR531S

Bosch Aerotwin Upgrade eAR531S wiper blade set offers a frameless construction and includes 530 & 450 mm blades.

Frameless wiper blade unleashes a streamlined flat spine, precision-engineered to maintain constant glass contact across multi-radius glass. A pre-curved spring-steel beam pairs with a advanced synthetic-rubber edge, ensuring a crystal-clear pass. Its low-drag aero spoiler reduces drag, while slide-in multi-adapter suits most makes and models for hassle-free fitting. 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 – take your drive to the next level now.