Giant Defy/Avail Aluxx D-Fuse Seatpost Clamp w/ Rack Mount (Black) (D-Shaped) (2015+)

Giant Defy/Avail Aluxx D-Fuse Seatpost Clamp w/ Rack Mount Description: This is a D-shaped bolt-on seatpost clamp with an integrated rack mount designed to fit the Giant Defy and Avail Aluxx models from 2015 +. Features: Specifically for use with the D-Fuse seat post design Double pinch bolt distributes the clamping force to protect seat post and add durability when attaching a rack Compatible with Defy and Avail Aluxx aluminum frame models