Features1Perforated Aesthetic: Lightweight Art: The unique perforated screw not only reduces the weight of the washer, giving it a light and airy feel, but also showcases a modern minimalist beauty, adding a touch of futuristic technology to your cycle. 2Enhanced Ventilation, Lower Part Temperature: The perforated screw promotes air circulation, aiding in rapid heat dissipation, reducing part overheating from prolonged rides, and enhancing overall system stability and longevity. 3Ti Alloy Material: Crafted from ti alloy, this washer is not only lightweight and robust, but also highly erosion resistant, maintaining performance and a long lifespan even in harsh conditions. 4Arch Half Moon Design, Secure Fit: Specifically designed in an arch half moon shape for front derailleurs, ensuring a snug fit between the screw and touch appearance, effectively dispersing pressure to prevent excessive localized stress and ensure secure fastening and accurate performance of the derailleur system. 5Beauty and Performance: The unique perforation exemplifies the aesthetics of modern industrial design while integrating practical considerations, allowing your cycle to showcase classy taste and professional style in the details.SpecificationItem Type: Cycle Front Derailleur Screw Washer Set Material: Ti AlloyPackage List1 x Screw1 x Washer1 x Sticker