What are the Shimano Dura-Ace ST-R9170 Di2 lever hoods for?

These are the OEM replacement rubber lever hoods for the Shimano Dura-Ace ST-R9170 Di2 STI levers, sold as a pair. Lever hoods wear over time with UV exposure, sweat contact, and daily handling -- replacing them restores the tactile grip, comfortable feel, and clean appearance of the levers without replacing the entire lever body. Using OEM Shimano hoods ensures the correct fit and thickness for the ST-R9170 lever shape. A simple, affordable service item for maintaining Dura-Ace Di2 equipped bikes.

Compatible with Shimano Dura-Ace ST-R9170 Di2 STI levers. Sold as a pair. Verify lever model before ordering -- hood profiles vary between Di2 generations.