CENTOS 11 FD-R58F (2X11 SP) BRAZED-ON - Front derailleur. - Road bikes. - Model No.: FD-R58-F. - Chain ring: Double. - Cassette Compatibility: 11 Speed. - Top Gear Teeth: 50-56T. - Capacity: 16T. - Route Type: Down Pull. - Chain stay Angle: 61-66. - Mount Type: F: Brazed-on. - Chain Line: 43.5mm. - Outer Link: Anodized Cold Forged Aluminum. - Inner Link: Anodized Cold Forged Aluminum. - Chain Guide: Chrome Plated Steel. - Weight: 95g. - Color Option: Stone Black. - Compatibility: Shimano Dura-Ace R9100, 9000; Ultegra R8000, 6800; 105 5800 compatible.