Shimano Dura-Ace ST-R9270-RF Di2 Shift/Brake Lever - Right 12-Speed Black MFPN=BAJ0135 Works with 142 and 148

Works with 142 and 148 x 12mm thru as well as 135mm w/ 10/12 washer

MTB-specific disc rotor provides up to 7% more braking power

Defined Color Black PSI 95 TPI 60 Weight 400 Tire Type Clincher Tire Intended Use Touring-Hybrid Color Black Tire Diameter 27

5 tubular titanium arms with machined 6/4 titanium spindle and Hirth joint

keeping riders focused on the trail ButterCups technology block 20% of high-frequency “trail chatter” to reduce hand and arm fatigue SRAM Model ID: FS-LYRK-UFA-E1

Shimano Dura-Ace ST-R9270-RF Di2 Shift/Brake Lever - Right 12-Speed Black MFPN=BAJ0135 Works with 142 and 148Featuring 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 provide comfort and control for the most demanding conditions. The