Defy Limits
The D-Fuse seatpost features a D-shaped composite shaft that absorbs road shocks and vibration. With up to 12mm of flex, this engineered compliance produces a smooth ride quality to help minimize fatigue.
D-Fuse Technology
Controlled Compliance
D-Fuse components work together as a system to absorb shocks and vibrations, improving performance and comfort on rough roads, gravel or dirt.
Highlights
Giant first introduced its breakthrough D-Fuse technology in 2014. Initially developed as a seatpost for pro-level cyclocross bikes, it was designed to absorb shocks and vibrations and deliver a smoother ride and more control on variable terrain. The heart of this pioneering concept is its distinctive “D-shaped” tubing with a round front and flattened rear section. Following its success in cyclocross, including multiple world championship titles, D-Fuse was expanded to endurance road and gravel bikes and later to the front half of the bicycle. The handlebars work together with the seatpost to add compliance at two key contact points without the unwanted complexity or weight associated with pivots or inserts.
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