Front Derailleur. 2x10-speed. The SHIMANO GRX RX400 front derailleur offer lighter front shifting operation and easier setup thanks to the new link construction and integrated cable tensioner. It features a 2.5mm outboard chain line design to allow wider tire clearance for mixed-terrain riding.
- Lighter front shifting
- Chainline +2.5 mm vs. conventional road FD
- Compatible with up to 42 mm tires
- Precise and easy front derailleur adjustment
- New link (toggle) construction
- Integrated cable tension adjustment
- Average weight: 96 g
- Chain line: 47 mm
- Chain stay angle: 61-66 degree
- Compatible chain: HG-X 10-speed
- Top gear teeth: 46T
- Total capacity: 16T
- Front speeds: 2
- Rear speeds: 10
