When it comes to replacing your worn hoods, we always recommend stock OEM replacement parts. It is the only way we can ensure they will fit perfectly. These hoods replace damaged and haggard hoods and make you shifters feel factory-fresh again. Smooth-textured pattern offer great grip and comfort. These replacement hoods are designed for your Dura-Ace ST-9070 Di2 brake/shift levers and are not compatible with other models.