Shimano Ultegra Di2 RD-R8050 Rear Derailleur

Updated with a Shimano Shadow RD design, the Shimano Ultegra 8000 rear derailleur offers a sleek appearance and optimized shifting performance. The RD-8050 Di2 versions offer the digital precision of Shimano electronic shifting and synchronized shifting.

Features:

• Shimano shadow RD construction
• Low profile rear derailleur design, less likely to be damaged in crash
• Shimano Synchronised Shift and system communication with front derailleur
• SS: compatible with 11-25 to 11-30 cassttes
• GS: compatible with 11-28 to 11-34 cassettes

Specifications:

• GS Cage:
  • Cage: GS
  • Max Front Difference: 16T
  • Maximum Cog: 34T
  • Minimum Cog: 11T
  • Primary Color: Grey
  • RD Capacity: 39T
  • RD Spring Type: Shadow
  • RD Weight: 249 g
  • Speed: 11
• SS Cage:
  • Cage: SS
  • Max Front Difference: 16T
  • Maximum Cog: 30T
  • Minimum Cog: 11T
  • Primary Color: Grey
  • RD Capacity: 35T
  • RD Spring Type: Shadow
  • RD Weight: 242 g
  • Speed: 11