Shimano R9180 Dura-Ace Disc Brake Option:Front Double X Bridge Shape for

Double X Bridge Shape for super fast/smooth shifting

Sealed cartridge bearings

Shimano XTR M9000 Pulley Set

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 Double X Bridge Shape forShimano 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