Shimano R9180 Dura-Ace Disc Brake Option:Front Installation Tool Sold Separately

Installation Tool Sold Separately

Shimano and SRAM specific 40T sprockets have been designed

The BL-RS600 levers are fit with the new I-Spec II system

Double X Bridge Shape for super fast/smooth shifting

Our new Flex Shield is designed to offer more flexibility at the bottom bracket area that our standard downtube protectors

Shimano R9180 Dura-Ace Disc Brake Option:Front Installation Tool Sold SeparatelyShimano R9180 Dura Ace Disc Brake The Shimano Dura Ace ST R9180 is a TT Triathlon hydraulic disc brake lever and shifter, compatible with 11 speed Di2 systems. It's paired with the Shimano BR R9170 hydraulic disc brake caliper. J kit fittings included. Dual control lever is compatible with Shimano e tube Lever features the Shimano Electronic Intelligent System which is designed for accurate and effortless electronic shifting Brake lever is equipped