Easton EC90 Zero Setback 400mm Carbon Seatpost. The Easton EC90 Zero Setback is the lightest seatpost in their line, thanks to its full carbon fiber construction including the upper and lower clamping plates. This seatpost is, of course, incredibly strong, too. By incorporating RAD Relief Area Design and TaperWall technology, the EC90 Zero has been intelligently designed to distribute stress along the length of the post. And for those who prefer zero degrees of setback in the seatpost, this is exactly what you need.
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