Front

Shimano’s GRX RX825 Di2 2x 12-Speed front derailleur delivers quick and precise front shifting even under heavy loads. Designed for a wider, 17t gear range, it utilizes a +2.5mm chainline for improved tire clearance. The FD-RX825 is compatible with Full, Semi-Synchronized shift modes as well as the new FRONT SHIFT NEXT function for greater rider customization. - Wider tire clearance made possible by the +2.5mm chainline vs. conventional road front derailleurs - Wider range front gear by utilizing a 17t front range - FRONT SHIFT NEXT function for greater rider customization - Conveniently compatible with Full, Semi-Synchronized shift modes

The Shimano GRX RX400 front derailleur offers 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. - Ergonomic power curve - Integrated cable tension adjustment - Natural stroke feeling - Chainline +2.5 mm vs. conventional road FD - Compatible with up to 42 mm tires - More cable routing options - Lighter front shifting - Wider tire clearance - Precise and easy front derailleur adjustment

The Shimano GRX RX-810-F front derailleur offers 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. The RX-810-F also accommodates a 17T front chainring range for wider gearing options. - Ergonomic power curve - Integrated cable tension adjustment - Natural stroke feeling - Chainline +2.5 mm vs. conventional road FD - 17T front range - More cable routing options - Lighter front shifting - Wider tire clearance - Wider range front gearing - Precise and easy front derailleur adjustment

Sleek, balanced and consistent. Shimano's Tiagra 4700 series front derailleur provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Model Number: FD-4700 - Series: Tiagra - Cassette Compatibility: 10-speed - Top Gear Teeth: 53T - Maximum Capacity: 16T - Chain Stay Angle: 61-66 - Chain Line: 43.5 - Band Mount: 28.6 / 31.8 (w/AdapterS) 34.9

Combining Shimano's Di2 platform and the road incarnation of Hyperglide+, the Ultegra FD-R8150 front derailleur shifts between chainrings with the fast and seamless action. - Small, sleek and lightweight front derailleur - Frontal area is smaller than previous designs to reduce aerodynamic drag - Top gear teeth capacity: 50-54t - 61-66 degree chainstay angle - Includes 1 SD300 port