Material: aluminum alloy ； Processing: forging； Replace the derailleur hanger Pinarello firb carbon road bike frame and so on; About 20 grams of weight; Colors: Black； The price of
Material: aluminum alloy ； Processing: forging； Replace the derailleur hanger Pinarello firb carbon road bike frame and so on; About 20 grams of weight; Colors: Silver； The price of
