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  • TranzX JD-YSP39 34.9mm Dropper Seatpost

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TranzX JD-YSP39 34.9mm Dropper Seatpost

Model W1040852

Comp. Value

Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

$209.99 Comp. Value Sale price

Since 1992, TranzX has been a leader in the industry – recognized for excellent design, practicality of application and superior quality.

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  • Note: We do not offer delivery to PO boxes, hotels, and freight forwarding addresses. Bikes cannot be delivered to FPO/APO addresses due to size restrictions on deliveries.
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Pricing details

Retailer price

Retailer pricing applies when you purchase goods online that the shop has in stock today. Order is subject to retailer acceptance.

Comp. Value

Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

In-store pickup
Direct-to-home shipping

Genuine Replacement Parts

The TranzX adjustable seatpost equips air pressure actuation–freely and easily adapting your seat position according to the terrain you meet. The MICRO adjustment offers quick and easy seat positioning, with reliable and robust technology.

Product details

  1. Remote actuated dropper post with Stealth internal routing and a clean look
  2. 34.9mm clamp size, 2-bolt head, available in 3 lengths