Shimano GRX RD-RX825 Di2 Rear Derailleur - 12-Speed Long Cage With Clutch For 2x BLK CheckoutSpec= BoXXer Select C2 The generous cut gives you

The generous cut gives you plenty of room to move and makes it a cinch to layer over your favorite riding or relaxing gear

Short and wide rib design for added comfort with no side to side play

It features SRAMs X-Dome architecture for ultimate strength and weight savings

approximate weight 250g

}Shimano Deore RD-M5100-SGS Rear Derailleur - 11-Speed Long Cage Black

Shimano GRX RD-RX825 Di2 Rear Derailleur - 12-Speed Long Cage With Clutch For 2x BLK CheckoutSpec= BoXXer Select C2 The generous cut gives youShimano GRX RD RX825 Di2 Rear Derailleur 12 Speed Long Cage With Clutch For 2x Black. Shimanos GRX RX825 Di2 12 speed rear derailleur features a built in wireless connectivity unit and charging port ensuring fast and reliable shifting for mixed terrain riding and easy recharging. Integrated Shadow RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built in ON OFF switch wheel removal is easy too. The RD