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PNW ComponentsCoast Suspension Dropper Seatpost

$179.00 - $199.00

Item # PNW0012

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  • Black, 27.2mm x 100mm Drop, 40mm Travel ($199.00)
  • Black, 30.9mm x 120mm Drop, 40mm Travel ($179.00)
  • Black, 31.6mm x 120mm Drop, 40mm Travel ($179.00)
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Item # PNW0012

Coast Suspension Dropper Seatpost

From getting behind the saddle on descents to easier dismounts, being able to adjust seat height with a dropper post changed the way we ride for the better. PNW brings us a dropper post fit for any bike with the Coast Suspension Dropper. It is the perfect match for your gravel bike, touring rig, or even commuter with 100 or 120mm of travel and 40mm of suspension.

PNW has a variety of dropper posts for our gravel and hardtail bikes, but what sets the Coast apart is 40mm of air-tuneable suspension. This suspension absorbs the small bumps we encounter on both gravel roads and pavement, allowing us to stay seated and pedal through the chop more efficiently. Smoothing out the ride also means we’re less fatigued at the end of the day, and feel much more inclined to pack up the next morning to keep on riding. You can customize the pressure to make sure the suspension works best for your riding style, without the hassle of changing elastomers as in other suspension seatpost options.

100 and 120mm of travel is a sweet spot for gravel and light-duty trail riding, allowing us to get behind our saddle when needed to lower our center of gravity for descending. We also like the dropper’s more utilitarian use as to put us in a more comfortable position either waiting for a friend at the top of a climb or for a traffic light to turn green.

A remote lever is available separately, so you can choose which lever works best for your ride: be it a drop bar or flat bar bike. PNW makes an array of levers and the post can be routed internally or externally to fit most any bike.

  • Suspension dropper seatpost to smooth the ride on your any-road bike
  • 40mm air-tunable suspension allows you to customize ride feel
  • 100mm or 120mm of travel is a sweet spot for gravel droppers
  • Compatible with both drop and flat bar levers, sold separately
  • Able to route cable internally or externally

Tech Specs
Diameter27.2mm, 30.9mm, 31.6mm
Length[27.2mm] 380mm, [30.9mm, 31.6mm] 400mm
Travel[suspension] 40mm, [dropper] (27.2mm) 100mm, (30.9mm, 31.6mm) 120mm
Recommended Usegravel, trail, cyclocross
Manufacturer Warrantylifetime

Actual Weight

Black, 27.2mm x 100mm Drop, 40mm Travel
Black, 30.9mm x 120mm Drop, 40mm Travel
Black, 31.6mm x 120mm Drop, 40mm Travel

Actual weights are measured in-house by the Competitive Cyclist team.

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What do you think about this product?


>Rating: 5

This works perfect!

I've used it several times
True to size
Size Bought
30.9 120 mm Drop
5` 7"
210 lbs

I recently purchased this because 1. I HATE stopping to adjust my seat post right before a decent or climb. 2. I have lower back issues so the suspension really softens the blows from hard impact due to having a Hard Tail. I love it and am going to buy another one for my wife.


Does this come with a dropper lever?