Shimano RD-R8050 Ultegra Di2 Rear Derailleur

REAR DERAILLEUR, RD-R8050, ULTEGRA Di2, SS 11-SPEED, TOP NORMAL SHADOW DESIGN, DIRECT ATTACHMENT(DIRECT MOUNT COMPATIBLE)

• New low-profile design
• SHIMANO SHADOW RD
• RD-SS covers: 11-25T to 11-30T
• Sleek integrated appearance
• Wide compatibility
• RD-GS covers: 11-28T to 11-34T
• Maintain race concentration with more intuitive shift control
• Race endurance
• Optimized slant angle
• Max front tooth difference of 16
• 242g (SS), 249g (GS)