Shimano Dura-Ace ST-R9170 Di2 STI Lever Hoods Black Pair MFPN=DROPOUT-399 MS version includes: 2 -

MS version includes: 2 - 15307A3 steel bearings

And for the just in case the derailleur body features replaceable outer and inner parallelogram links skid plates and a tool-free threaded cage assembly making it the most rebuildable derailleur we’ve ever built

Brake Lever Actuation Hydraulic Rotor Included No Brake Caliper Type Post Mount Color Black Hydraulic Fluid Type Mineral Oil Brake Lever Use Right Pad Compound Resin Hydraulic Hose Length 1900 Adjustable Reach Yes Weight 320

Integrated strap hooks for low-profile mounting

3 Cyclone Chain Scrubber

Shimano Dura-Ace ST-R9170 Di2 STI Lever Hoods Black Pair MFPN=DROPOUT-399 MS version includes: 2 -Shimano Dura Ace ST R9170 Di2 STI Lever Hoods Black Pair. Shimano replacement lever hoods for Di2 STI Levers.