The product is a set of 5 Shimano chain pins in grey colour, designed specifically for 10-speed Dura Ace CN-7801 and Ultegra CN-6600 road bikes. These chain pins are essential components that ensure smooth and efficient gear shifting on your bicycle. Made by the reputable brand Shimano, known for its high-quality cycling products, these chain pins are a reliable and durable option for maintaining your road bike's performance.
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