1、Ti Alloy: Crafted with Ti alloy, our bike rear derailleur wheel screws significantly reduce weight compared to traditional materials, enhancing the bike's lightness and accelerating performance, making for a comfortable riding. 2、Smoother Gear Shifting: The flat head design ensures accurate alignment with the gear shifter, facilitating quick installation and adjustment. This optimizes gear shifting response speed for a smoother, more efficient ride. 3、Better Transmission Efficiency: Our screw's unique structure significantly enhances the pulley's chain guidance ability, reducing chain skipping. Stable transmission efficiency is maintained even on complex road conditions. 4、Long Lasting: The properties of the Ti alloy effectively resist sweat and rain, preventing rusting and prolonging lifespan. This keeps the pulley assembly looking great and functional. 5、Pulley Guide Wheel Fixed Bolts: Each screw undergoes accuracy CNC machining, with delicate clear threads. This ensures a great fit with the pulley and enhances overall stability and biking experience. Item Type: Bike Rear Derailleur Wheel Screws Material: Ti Alloy 2 x Bike Rear Derailleur Wheel Screws 1 x Sticker Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store