Made of tough 4.5mm polycarbonate and treated with the new generation Quantum™ Coating to provide a long lasting, durable, protective finish. Available in two heights:** Tall (19 ) and Short (14 ). The unique quick release feature allows you to quickly change your windshield before riding due to a change in weather or attitude. A lock is included for added security. Replacement windscreens are also available. Quick Release Windshield Mounts (STR-5C703-41-00) are required for installation, sold separately. Quick Release Windshield Mounts: These quick release mounts allow you to easily change out your accessory windshield. Required for installation of Quick Release Windshield (Tall or Short), sold separately.