Shimano Dura-Ace R9200 Chainset - 12 Speed Length_280mm the DebonAir air spring scores

the DebonAir air spring scores with excellent control

SR Suntour XCM 34 27

the hydraulic brake lever relies on technologies that have already proven themselves in the SRAM Guide models

Uncompromising slick profile designed for maximum speed

Grip:  Vulcanized rubber activ grip

Shimano Dura-Ace R9200 Chainset - 12 Speed Length_280mm the DebonAir air spring scoresShimano Dura Ace R9200 Chainset 12 Speed The Shimano Dura Ace FC R9200 Chainset, the heart of the bicycle, ensures that no portion of your pedal stroke is wasted. With hollow arms and chainrings, weight is kept to a minimum but stiffness and shifting precision is maximized. The Dura Ace FC R9200 chainset performs two vital functions: transferring your pedaling effort into the drivetrain and ensuring the fastest, most precise front shifting available.