The Ultegra RD-6800 Rear Derailleur is designed for use with the Ultegra 6800-series components and it's compatible with Shimano 11-speed systems only. Available in SS (short cage, 28T max cog, 33T capacity) and GS (medium cage, 32T max cog, 41T capacity) lengths. Claimed weight: 195 grams (SS model)

The Shimano Ultegra RD-6800 Rear Derailleur features a  redesigned spring mechanism giving the RD-6800 an equal, positive sensation regardless of the direction of your shift, or the size of the sprocket that you're shifting to.

• Engineering plastic pulley plate

• Wide link design increases rigidity, reducing deflection for precise shifting and a long service life

• 11-Speed compatible

• New spring mechanism for lighter, shorter and more equal shifting operation

• Bearing equipped tension pulley

The Shimano Ultegra RD-6800 Rear Derailleur will accept up to a 28T (SS) and 32T (GS) rear sprocket.

Average weight: 195g (SS), 207g (GS).