Shimano GRX Di2 RD-RX825 Rear Derailleur 12 Speed carted While it does not require

While it does not require special tools for install

but the packaging too

and thru-axles front and rear add stiffness to the frame and wheels even under heavy cornering loads

Rated to 28 Bar/400 PSI it features a durable alloy barrel

Wide-mouth opening is easy to fill with ice and water and a breeze to clear

Shimano GRX Di2 RD-RX825 Rear Derailleur 12 Speed carted While it does not requireGravel is the great equalizer. No matter who you are, where you come from or where you want to go. Gravel celebrates individuality. It welds together in a shared passion. It lays the foundation for friendships and creates memories for the ages. Whether you ride one kilometer or a hundred. Whether with professional equipment or without. With a 10 speed, 11 speed or 12 speed gear system. Whether on paved roads, forest roads, back roads or no roads at