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GD posts CANNOT be cut! This 4" drop version, needs a minimum of 7.25" of exposed post (measured between the seat rails, and where the post goes into the frame) A durable, mechanical spring design. No air, oil, or seals to leak Extremely smooth and fast operation, and easily serviced...

GD posts CANNOT be cut! This 5" drop version, needs a minimum of 8.25" of exposed post (measured between the seat rails, and where the post goes into the frame) A durable, mechanical spring design. No air, oil, or seals to leak Extremely smooth and fast operation, and easily serviced...