Shimano Ultegra RD-R8050-GS Di2 11-Speed Electronic Rear Derailleur BBinfinite Enve Dealer Brand/Model: Shimano GRX RD-RX817

Brand/Model: Shimano GRX RD-RX817

32 grams of ultralight engineering with the nylon band for all-day comfort

Head tube 105mm

Brand/Model: Shimano Hyperglide 12-23t

Shimano Ultegra RD-R8050-GS Di2 11-Speed Electronic Rear Derailleur BBinfinite Enve Dealer Brand/Model: Shimano GRX RD-RX817Brand Model: Shimano Ultegra RD R8050 GS Weight: 251 grams Speed Compatibility: 11 Speed Shift Type: Electronic Cage Length Max Cog Size: 34t Condition: Typical scratching and scuffs are present throughout the derailleur. The pulley wheels have been upgraded with BBinfinite pulley wheels. Bearings are smooth and spin well. Also, please reference the listing photos to evaluate the current wear and condition of the item. At CyclingUpgrades, we fulfill