Shimano PRO XCR 30.9 X 400mm Seatpost - Carbon Go to amazon.com Related posts Top 5 best seatpost shimano 2022 FeatureReinforced UD Carbon Monocoque constructionInnovative 2-bolt AL-7075 T6 Wedge Clamping SystemIn-molded alloy insert helps reinforce the seatpost for greater durability15mm offset for increased adjustability