Shimano GRX RX825 Di2 Groupset (Black) (2 x 12 Speed) (Disc Brake) (New 2024)

Shimano GRX RX825 Di2 Groupset (Black) (2 x 12 Speed) (Disc Brake)
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Shimano GRX RX825 Di2 Groupset Description:

GRX Di2 brings Shimano's 12-speed Di2 technology to gravel. This 2x groupset is optimized for offroad performance with a Shadow RD+ derailleur clutch, capable gearing range, and ergonomic shifter hoods – designed to work seamlessly with flared handlebars. The Dual Control Brake/Shift Levers include 3 buttons each for a flexible and customizable shifting experience. With the incredible capacity of Shimano's Di2 battery, you can expect to get up to 1000km on a single charge. Needless to say, GRX Di2 is up for whatever adventure you throw at it.

Note: GRX Crankset sold separately


  • 2 x 12 GRX "Undroppable" groupset provides ample gearing for all-day adventure
  • Shifter hoods optimized for flared handlebars and rugged terrain
  • Servo Wave brakes offer better modulation and 10% wider pad clearance
  • Clutch derailleur keeps the chain in place over rough terrain
  • 2x setup offers more intermediate gear ratios for optimal cadence 
  • 12-speed cassette fits on standard 11 and 12 speed HG freehub bodies
  • Groupset includes everything you need – except for the crankset and bottom bracket (which are size-specific)


  • Speed: 2 x 12 Speed
  • Shift Mechanism: Electronic (Wireless)
  • Brake Type: Hydraulic Disc
  • Brake Mount: Flat Mount
  • Cassette Drive Type: Shimano HG (11/12 Speed Road)
  • Cassette Teeth: 11-36T
  • Rotors: 160mm (Front & Rear)
  • Rotor Mount: Centerlock
  • Color: Black

Groupset Includes:

  • (1) ST-RX825 Right Shifter and Rear Brake Caliper (w/ Hose)
  • (1) ST-RX825 Left Shifter and Front Brake Caliper (w/ Hose and 160mm Rotor Adapter)
  • (1) RD-RX825 Rear Derailleur
  • (1) FD-RX825 Front Derailleur
  • (1) CS-HG710 Cassette (11-36T) (Shimano HG 11/12)
  • (1) CN-M8100 Chain
  • (2) RT-CL800 Disc Brake Rotors (160mm) (Centerlock) (Lockrings Included)
  • (1) BT-DN300 Battery
  • (1) EW-EC300 Charging Cable
  • (1) EW-SD300 E-Tube Wire (700mm) (Connects front derailleur and battery)
  • (1) EW-SD300 E-Tube Wire (1200mm) (Connects rear derailleur and battery)
  • (1) Disc Brake Adapter for 160mm Rear Rotor

Groupset Does Not Include:

Package Includes:

This product was added to our catalog on May 23, 2024