Shimano Tiagra FD-R4000-BS Front Derailleur - 12-Speed, Double, 31.8mm Band Clamp w/28.6mm Adapter, Down-Swing, Down-Pull, 52t Max

The Shimano Tiagra FD-R4000 2x front derailleur for 11-speed drivetrain delivers lighter front shifting with smooth, natural shift action. Featuring Shimano's toggle link construction with an optimized cage design, it creates the on-demand shift performance modern road riders demand.

• Toggle link construction delivers lighter front shifting with a smooth, natural shift action
• The toggle link's 7 link bushings feature small, precision-machined bearings that provide smoother shifting action, improved shift precision, enhanced durability, and reduced wear on link materials
• Max 52t outer chainring and 16t total chain link capacity
• Designed for 43.5mm chainline
• 61-66 degree chainstay angle
• Compatible with LinkGlide and HG 11-speed chains
• 31.8mm band clamp and included adapter for 28.6mm seat tubes

• Double or Triple: Double
• Drivetrain Speeds: 11
• Front Derailleur Clamp: 31.8 (1-1/4")
• Front Derailleur Clamp: 28.6 (1-1/8")
• Front Derailleur Cable Pull: Bottom Pull
• Front Der/Shifter Compatibility: Shimano Road
• Max Ring (teeth): 52
• Front Derailleur Style: Traditional
• Derailleur Capacity: 16