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Amazon.com : DJC Bike Suspension Seatpost Shock Absorber Damper Post 27.2 30.9 31.6 mm, Lightweight Aluminum Body(Black Head,27.2mm) : Sports & Outdoors
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Amazon.com : REDSHIFT ShockStop Suspension Seatpost for Bicycles, Shock-Absorber Bike Seat Post for Road, Gravel, Hybrid, and E-Bikes, 27.2mm x 280mm : Sports & Outdoors
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Amazon.com : AARON - Spring Suspension seatpost - Aluminum Bike seat Post for E-Bike, MTB, - 1.1", 27.2 - 30,9 - 31,6 mm Diameter, 13.8" (350mm) Length : Sports & Outdoors
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