Check the listing for details. Shimano 105 5800 Double Front Derailleur 31.8 Clamp. Color: Silver, Condition: Used. Listed at 18.00 USD. The Shimano 105 FD-5800 is a 2x11-speed front derailleur featuring a long link arm design for lighter shifting effort and improved compatibility with modern 11-speed road drivetrains. It uses a Wide Link design for increased rigidity and reduced deflection, available in braze-on or clamp-on (31.8mm) options. Key Features & Specifications Compatibility: 2x11-speed Shimano road drivetrains. Design: Long link arm, Wide Link design. Cable Routing: Under-tape/hidden, designed for 2x11 speed road shifters. Mounting: Clamp-on 31.8 Chainring: Designed for double chainrings. Weight: ~90g (approximate based on unboxing). Used and in working conditions. Sold as is. No returns. Came off a Specialized Sequoia Steel after switching it to 1x.