Shimano ST-R7170 105 Di2 STI Lever Hoods Description: The Shimano ST-R7170 105 Di2 STI Lever Hoods are an OEM replacement for Shimano ST-R7170 105 Di2 and Shimano ST-RX715/RS717-L GRX Di2 STI hydraulic disc brake/wireless electronic shift levers. Sold in pairs. Features: Genuine Shimano replacement parts Hood set for ST-R7170 105 Di2 and ST-RX715/RS717-L GRX Di2 STI brake/shift levers Specifications: Compatibility: Shimano ST-R7170 105 Di2 (2x12 Speed) | ST-RX715/RS717-L GRX Di2 (1x12 Speed) Color: Black