Shimano Dura-Ace ST-R9270-LF Di2 Shift/Brake Lever - Left 2x Black MFPN=11A00517 The shoulder knobs feature horizontal

The shoulder knobs feature horizontal upper sipes to maximize cornering traction

99mm Interface DUB Primary Color Black BB Shell Type BB30

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Shimano Dura-Ace ST-R9270-LF Di2 Shift/Brake Lever - Left 2x Black MFPN=11A00517 The shoulder knobs feature horizontalShimano Dura Ace ST R9270 LF Di2 Shift Brake Lever Left 2x Black. Featuring Servo Wave Action brake technology the Shimano Dura Ace ST R9270 brake lever delivers modulation and control like never before. Wireless shifting keeps your bike looking clean while offering the fastest most precise gear changes available. All of this resides in a dual control lever that employs the most advanced materials to offer lightweight and refined ergonomics that