Shimano GRX RD-RX827 SGS/Long Di2 Rear Derailleur virtual/collective your drivetrain stays secure

your drivetrain stays secure

At the core of the system is a dual-stage filtration process that effectively improves both safety and taste

This versatility also makes them suitable for other activities such as Nordic skiing

adjustable geometry

it's perfect for committed cyclists

Shimano GRX RD-RX827 SGS/Long Di2 Rear Derailleur virtual/collective your drivetrain stays secureThe Shimano GRX RD RX827 SGS Long Di2 Rear Derailleur is designed for riders who push gravel performance into demanding terrain where precision, durability, and reliability matter most. Built as part of Shimanos next generation wireless Di2 ecosystem, it delivers fast, accurate electronic shifting that remains consistent even in loose, wet, or highly technical conditions. Whether climbing steep fire roads or charging fast descents, this derailleur is