Shimano 105 RD-5800-GS 11-Speed Rear Derailleur Pulley Set MFPN=4023 Increased ventilation and decreased surface

Increased ventilation and decreased surface contact area for improved cooling

It has more sipes to enhance the warming up and grip at lower temperatures

}TRP DH-R EVO HD-M846 Disc Brake and Lever - Rear Hydraulic Post Mount Silver

Color Gold BB/Frame Interface English Number of Chainrings No Rings Included Crankset Style 2-Piece BB Style Euro Crank Length (mm) 160 Weight 706 Drive Side Compatibility Right Hand Drive BB Included Yes Crank Arm Material Aluminum Chainring BCD 104 Chainrings Included No Spindle Material Aluminum Defined Color Gold Bore 24

Low profile custom tuned EVA midsole for improved pedal grip and feel

Shimano 105 RD-5800-GS 11-Speed Rear Derailleur Pulley Set MFPN=4023 Increased ventilation and decreased surfaceShimano 105 RD 5800 GS 11 Speed Rear Derailleur Pulley Set. Shimano Rear Derailleur Pulley Assemblies TECH SPECS Fits Brand Shimano Drivetrain Speeds 11