Shimano GRX Di2 FD-RX825 Front Derailleur

The SHIMANO GRX RX825 Di2 front derailleur offers fast, precise chainring shifts even under heavy loads. Designed for a wider gear range (17D), this derailleur uses a +2.5 mm chainline to provide greater tyre clearance. The FD-RX825 model is compatible with fully and semi-synchronised shifting modes and the new FRONT SHIFT NEXT function, allowing greater customisation to suit individual needs.

Features

• Greater tyre clearance
• +2.5 mm chainline compared with a conventional road front derailleur
• Wider crankset range
• Crankset range 17D

Technical Specifications

• Series: GRX
• Chainrings: 2
• Sprockets: 12
• Compatible chain: HG 12-speed
• Action: Down swing ✔
• Mounting: Braze-on ✔
• Chainline: 47 mm
• Chainstay angle: 63-66°
• Maximum chainring tooth count: 48D
• Total capacity: 17D
• Bushings: 2
• Firmware updated via E-TUBE PROJECT ✔
• SD50 port: No
• SD300 port: 1 pcs
• SD50 connector: No
• SD300 connector: No
• Actual weight: 140 g

The product may be shipped in an aftermarket box or OEM packaging depending on supply.

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.