BackcountryNew · Checked Nov 4, 2026, 5:33 AM
$209.00In stockVisit store
Seatposts
PNW Components Coast Suspension Dropper Seatpost Black, 31.6mm, 120mm
MPN CSDP316120ES
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
Retailer offers
Where to Buy
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Competitive CyclistNew · Checked Nov 4, 2026, 4:31 AM
$209.00In stockVisit storeJenson USANew · Checked Nov 4, 2026, 3:23 AM
$209.00In stockVisit storeAmazonExact Match Verified
Technical data
Specifications
- Seatpost diameter
- 31.6 mm
- Seatpost length
- 400 mm
- Seatpost offset
- 0 mm
Catalog trust
Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Sep 9, 2026
- Compatibility review
- Reviewed Sep 9, 2026
Approved technical sources
- Reviewed cockpit fact at Official exact-option selector and Measurements table
- pnwcomponents.com/products/coast-suspension-dropper-post-externalManufacturerSource checked Sep 9, 2026Evidence reviewed Sep 9, 2026
- Reviewed cockpit fact at backcountry catalog row 42392
- backcountry.tnu8.net/c/7664279/1942899/5311ManufacturerSource checked Sep 5, 2026Evidence reviewed Sep 9, 2026
- Reviewed cockpit fact at Exact product technical specifications
- backcountry.com/pnw-components-coast-suspension-dropper-seatpostRetailerSource checked Sep 9, 2026Evidence reviewed Sep 9, 2026