Shimano 105 RD-5800-SS 11-Speed Rear Derailleur Pulley Set Front Der/Shifter Compatibility-Campy Centaur/Potenza/Chorus/Record/Super Record 2015+ This creates a cooling effect

This creates a cooling effect that regulates head temperature on long rides and steep climbs

}Lezyne Micro Caddy-S Road Seat Bag: Black

}RockShox CSU Pike Solo Air 29"/27

} REAR DERAILLEUR INNER CAGE XX1 EAGLE (52T) LUNAR INCLUDING SCREWS

Brake Lever Actuation Hydraulic Rotor Included No Brake Caliper Type Flat Mount Color Gray/Yellow Hydraulic Fluid Type Mineral Oil Brake Lever Use Left or Right Hydraulic Hose Length 2200 Adjustable Reach Yes Adjustable Contact Point No

Shimano 105 RD-5800-SS 11-Speed Rear Derailleur Pulley Set Front Der/Shifter Compatibility-Campy Centaur/Potenza/Chorus/Record/Super Record 2015+ This creates a cooling effectShimano 105 RD 5800 SS 11 Speed Rear Derailleur Pulley Set. Shimano Rear Derailleur Pulley Assemblies TECH SPECS Fits Brand Shimano Drivetrain Speeds 11