Shimano Dura-Ace ST-R9170 Di2 STI Lever Hoods Black Pair MFPN=DROPOUT-399 Based on the DB3 brake

Based on the DB3 brake design Level brakes have smaller levers and are lighter

The flywheel design ensures rapid screwdriving

35 Tubeless Folding Black Evolution Super Ground Addix Speed

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

5" 170 mm 15 x 110 mm 44 mm Offset Gray A2

Shimano Dura-Ace ST-R9170 Di2 STI Lever Hoods Black Pair MFPN=DROPOUT-399 Based on the DB3 brakeShimano Dura Ace ST R9170 Di2 STI Lever Hoods Black Pair. Shimano replacement lever hoods for Di2 STI Levers.