Shimano GRX FD-RX400 2x10-Speed Front Derailleur

The Shimano GRX FD-RX400 front derailleur is designed for gravel and cyclocross riders with a 2x10-speed double crankset. It shifts precisely between two chainrings up to 46 teeth, with a braze-on mount.

• Designed for gravel and cyclocross: works with a 2x10 double crankset and a HG 10-speed chain
• Handles large chainrings: the outer chainring can have up to 46 teeth
• Lightweight at just 96 g, helping keep your bike's weight down
• Leaves room for mud: compatible with tyres up to 42 mm
• How to choose: if your frame has no braze-on mount, you need the SM-AD91 adapter

Technical specifications

• Model: FD-RX400 (MPN IFDRX400F, SKU FD5708)
• Weight: 96 g
• Chainline: +2.5 mm compared with a conventional road front derailleur
• Capacity: 16 teeth
• Maximum outer chainring: 46 teeth
• Shifter compatibility: ST-RX400, ST-RS405, SL-4700, ST-4720, ST-4725
• Chain: 10-speed HG
• Crankset: Double, 2x10
• Mounting: Braze-on as standard; SM-AD91 seat tube adapter if there is no braze-on mount
• Tyres: Up to 42 mm

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.