Spend more time enjoying the freedom of trekking with this CUES FD-U6010 derailleur's seamless shifting and pedaling. Its versatile design is compatible with both 11/10-speed, giving riders the freedom to choose the setup that matches the way they ride. ONLY Compatible with LINKGLIDE shifting system.Features-Clamp for 34.9mm post (Comes with adapters for use with 28.6mm and 31.8mm posts-Smooth operation and precise front shifting on and off the road-Works with 48.8mm chainlines-63-68 degree chainstay angle-ONLY Compatible with LINKGLIDE shifting system.Item Specifications-Double or Triple:Double-Drivetrain Speeds:10-Drivetrain Speeds:11-Crank-FD Type:Mountain Double-Derailleur Capacity:16-Front Derailleur Clamp:34.9 (1-3/8")-Front Derailleur Clamp:31.8 (1-1/4")-Front Derailleur Clamp:28.6 (1-1/8")-Front Derailleur Cable Pull:Dual-Front Der/Shifter Compatibility: Mountain-Max Ring (teeth):40-Max Ring (teeth):46-Front Derailleur Style:Topswing