---
product_id: 152370168
title: "PNW Components Coast Suspension Dropper Post – Internal Routing MTB Seatpost with Air Suspension – 100mm (27.2mm Diameter) and 120mm (30.9mm & 31.6mm diameters)"
brand: "pnw components"
price: "€ 445.13"
currency: EUR
in_stock: true
reviews_count: 11
category: "Pnw Components"
url: https://www.desertcart.gr/products/152370168-pnw-components-coast-suspension-dropper-post-internal-routing-mtb-seatpost
store_origin: GR
region: Greece
---

# 40mm adjustable air suspension 100mm or 120mm drop options Lifetime warranty for durability PNW Components Coast Suspension Dropper Post – Internal Routing MTB Seatpost with Air Suspension – 100mm (27.2mm Diameter) and 120mm (30.9mm & 31.6mm diameters)

**Brand:** pnw components
**Price:** € 445.13
**Availability:** ✅ In Stock

## Summary

> 🚵‍♂️ Elevate your ride with the PNW Coast – where comfort meets control!

## Quick Answers

- **What is this?** PNW Components Coast Suspension Dropper Post – Internal Routing MTB Seatpost with Air Suspension – 100mm (27.2mm Diameter) and 120mm (30.9mm & 31.6mm diameters) by pnw components
- **How much does it cost?** € 445.13 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/152370168-pnw-components-coast-suspension-dropper-post-internal-routing-mtb-seatpost)

## Best For

- pnw components enthusiasts

## Why This Product

- Trusted pnw components brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from premium aluminum and backed by a lifetime warranty, this dropper post is your long-term trail companion.
- • **Pro-Level Stability:** Engineered to provide a solid pedaling platform while smoothing out rough terrain, so you stay in control on every descent.
- • **Seamless Integration:** Internal cable routing keeps your bike sleek and aerodynamic, enhancing both style and performance.
- • **Tailored Drop Options:** Choose between 100mm (27.2mm diameter) or 120mm (30.9 & 31.6mm diameters) to perfectly fit your MTB setup.
- • **Smooth Ride, Every Time:** 40mm of adjustable air suspension cushions your ride, absorbing shocks and bumps effortlessly.

## Overview

The PNW Components Coast Suspension Dropper Post offers 40mm of adjustable air suspension and drop lengths of 100mm or 120mm depending on diameter. Designed for mountain bikes, it features internal cable routing for a clean look and enhanced performance. Made from durable aluminum and supported by a lifetime warranty, it smooths out bumps and improves stability, making it ideal for riders seeking comfort and control on varied terrain.

## Description

desertcart.com : PNW Components Coast Suspension Dropper Post with Air Suspension (31.6mm, External Cable Routing) : Sports & Outdoors

Review: Works wonders for mounting and dismounting after a hip replacement. - After back surgery and a hip replacement, this was recommended to me to make it easier to mount and dismount my gravel bike. Also, the little bit of shock absorption (adjustable) eases the pressure on my back.
Review: Does was it says - This is legit. If you have a gravel/hardtail and are going to run a dropper, this is the only one to consider. It's not the best dropper or comfort seat post, but it does both and saves you if you get surprised. There is a con to this dropper as a dropper but it feeds into the pro. The con is that it has a lot of stiction (reluctance to move from the top of the movement - it takes more force to get it moving than it take to move it otherwise). The pro of this is that it gives you a great pedaling platform- it's solid most of the time. This also means that it takes more of an effort to put the saddle down than other posts, so you need to plan ahead. If you get surprised the suspension will save you from being punted, but if you're stuck with it up when things get rowdy. If you don't need the dropper, get a flexy seat post or something like a thudbuster. The angle the post is good if you're taking big hits at speed, but not for smoothing out the road. Since the dropper won't work if the post is flexy, it is stiff in directions little road bumps hit and body motions come from (backward and straight down). This is smooth out a one off pot hole or speed bump since you slow down when you hit that bump, but not a rough road because you're at a constant speed. You'd be better off with a good seat post clamp, some lines drawn on the post, and a few wraps of tape to use as a stopper for occasional use. Other notes: -I saw people complain that the saddle moves a bit. What I saw was that the saddle clamp rail channels are slightly wider than my saddle. If you don't spread your saddle rails out a touch, it won't clamp down right, giving you that sloppiness folks write about. If you have this problem, try re-seating the saddle. -This thing doesn't include cables or a lever, so add $20 and $40+ for each. You also need a shock pump $30 (or borrow one, I haven't needed to add more air). -Internally routed cables are a pain here because you need to move the entire housing with post. To insert the post into the frame, you have the housing tight against the dropper, so you need to move the entire housing around the BB bend, through the downtube, through the outlet to the bars. You need as much housing exposed on the bar side as you need to insert/remove then dropper, which can be alot. Maybe consider an external cable unit.

## Features

- 40mm of adjustable air suspension
- 100mm (27.2) or 120mm (30.9 & 31.6) of drop depending on diameter
- Great for smoothing out the bumps in the road, also helps for stability when coming to a stop
- Does NOT come with cables and housing. Lever kit sold separately, we recommend the Loam Lever.
- Lifetime Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07T2MJL4S |
| Best Sellers Rank | #101,979 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #91 in Bike Seat Posts |
| Bike Type | Road Bike |
| Brand | PNW Components |
| Brand Name | PNW Components |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 215 Reviews |
| Global Trade Identification Number | 00850005672258 |
| Item Diameter | 31.6 Millimeters |
| Item Dimensions W x H | 4"W x 23"H |
| Manufacturer | PNW Components |
| Manufacturer Part Number | Coast_Dropper_P |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | CSDP316120ES |
| Product Dimensions | 4"W x 23"H |
| UPC | 850005672258 |
| Unit Count | 1.0 Count |
| Warranty Description | Lifetime Warranty |

## Product Details

- **Color:** Black
- **Material:** Aluminum
- **Brand:** PNW Components
- **Bike Type:** Road Bike
- **Product Dimensions:** 4"W x 23"H

## Images

![PNW Components Coast Suspension Dropper Post – Internal Routing MTB Seatpost with Air Suspension – 100mm (27.2mm Diameter) and 120mm (30.9mm & 31.6mm diameters) - Image 1](https://m.media-amazon.com/images/I/51rB8ZpwxGL.jpg)
![PNW Components Coast Suspension Dropper Post – Internal Routing MTB Seatpost with Air Suspension – 100mm (27.2mm Diameter) and 120mm (30.9mm & 31.6mm diameters) - Image 2](https://m.media-amazon.com/images/I/61zG3L45knL.jpg)
![PNW Components Coast Suspension Dropper Post – Internal Routing MTB Seatpost with Air Suspension – 100mm (27.2mm Diameter) and 120mm (30.9mm & 31.6mm diameters) - Image 3](https://m.media-amazon.com/images/I/61hkCs-Ku3L.jpg)
![PNW Components Coast Suspension Dropper Post – Internal Routing MTB Seatpost with Air Suspension – 100mm (27.2mm Diameter) and 120mm (30.9mm & 31.6mm diameters) - Image 4](https://m.media-amazon.com/images/I/51kWY2kjThL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works wonders for mounting and dismounting after a hip replacement.
*by D***B on July 6, 2026*

After back surgery and a hip replacement, this was recommended to me to make it easier to mount and dismount my gravel bike. Also, the little bit of shock absorption (adjustable) eases the pressure on my back.

### ⭐⭐⭐⭐⭐ Does was it says
*by J***. on September 9, 2022*

This is legit. If you have a gravel/hardtail and are going to run a dropper, this is the only one to consider. It's not the best dropper or comfort seat post, but it does both and saves you if you get surprised. There is a con to this dropper as a dropper but it feeds into the pro. The con is that it has a lot of stiction (reluctance to move from the top of the movement - it takes more force to get it moving than it take to move it otherwise). The pro of this is that it gives you a great pedaling platform- it's solid most of the time. This also means that it takes more of an effort to put the saddle down than other posts, so you need to plan ahead. If you get surprised the suspension will save you from being punted, but if you're stuck with it up when things get rowdy. If you don't need the dropper, get a flexy seat post or something like a thudbuster. The angle the post is good if you're taking big hits at speed, but not for smoothing out the road. Since the dropper won't work if the post is flexy, it is stiff in directions little road bumps hit and body motions come from (backward and straight down). This is smooth out a one off pot hole or speed bump since you slow down when you hit that bump, but not a rough road because you're at a constant speed. You'd be better off with a good seat post clamp, some lines drawn on the post, and a few wraps of tape to use as a stopper for occasional use. Other notes: -I saw people complain that the saddle moves a bit. What I saw was that the saddle clamp rail channels are slightly wider than my saddle. If you don't spread your saddle rails out a touch, it won't clamp down right, giving you that sloppiness folks write about. If you have this problem, try re-seating the saddle. -This thing doesn't include cables or a lever, so add $20 and $40+ for each. You also need a shock pump $30 (or borrow one, I haven't needed to add more air). -Internally routed cables are a pain here because you need to move the entire housing with post. To insert the post into the frame, you have the housing tight against the dropper, so you need to move the entire housing around the BB bend, through the downtube, through the outlet to the bars. You need as much housing exposed on the bar side as you need to insert/remove then dropper, which can be alot. Maybe consider an external cable unit.

### ⭐⭐⭐⭐⭐ Fantastic combo Dropper and Suspension seat post
*by G***H on September 16, 2024*

This was the only combination Dropper Suspension and Seat Post that I could find. The reviews indicated that it was a very high-quality unit but since it had both features combined, would not provide as much suspension as other seat suspension systems. The common claim I read was it would take the harshness out of the hardest of bumps. I found the unit very easy to install. The cable and trigger system seemed complicated but were not once you got into it. The dropper system works very well but I found the suspension system much better than expected. It provides noticeable absorption over all bumps and make the ride more comfortable w/o sacrificing road feel and handling. A great unit!

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-07-22*