NEW Shimano Dura-Ace ST-R9270-RF Di2 Shift/Brake Lever - Right, 12-Speed, Black height_5ft-06in Professional quality chain uses SRAM's

Professional quality chain uses SRAM's strongest pin to side plate joining method

Bar Clamp Diameter (mm): 22

high mileage road tire that is available in multiple color options

Helcor heel panel and rubber toe bumper helps protect the upper from scuffs and scratches

NEW Shimano Dura-Ace ST-R9270-RF Di2 Shift/Brake Lever - Right, 12-Speed, Black height_5ft-06in Professional quality chain uses SRAM'sFeaturing 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