The Shimano GRX FD-RX400 front derailleur is designed for gravel and cyclocross bikes with a 2x10-speed drivetrain. It attaches to the frame with a braze-on mount and pulls the chain from below (downpull).
- For 2x10-speed drivetrains, compatible with 10-speed HG-X chains
- Designed for gravel and cyclocross, where shifting chainrings on unpaved terrain is required
- Lightweight: weighs just 96 g
- Handles chainrings up to 46T, with a 16T capacity
- For frames with a braze-on mount and a 61-66° chainstay angle
Technical specifications
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Model: FD-RX400
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Mounting: Braze-on
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Shifting type: Downpull (down swing)
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Speeds: 2 front, compatible with 10 rear
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Chain line: 46 mm
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Capacity: 16T
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Maximum chainring: 46T
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Weight: 96 g
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Compatible chain: 10-speed HG-X
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Chainstay angle: 61-66°
