Seatposts

- Giant proprietary D-Fuse seatpost - Composite construction with Alloy clamp - Zero offset configuration - 380mm length

- Giant Variant carbon seatpost - Fits 2016+ TCR Advanced models (non-ISP)

- Replacement seatpost for all 2009-2014 non ISP TCR, Defy, and Avail Composite, Advanced and Advanced SL bikes - 25 or -5mm offset without any additional parts

- Alloy seatpost with alloy bracket - Length: 400mm - 20mm offset

Bontrager's Speed Concept Seatpost lets you get your aero fit dialed. Different offsets allow you to customize your riding position for superior ergonomics and aerodynamics, and the clamp is compatible with both standard and oversize saddle rails. This seatpost is compatible with 2014 Trek Speed Concept 9 Series bikes.