---
product_id: 517900809
title: "EXA Form Hydraulic Dropper Seat Post 27.2mm/30.9mm/31.6mm Cordless 100mm/120mm/125mm/150mm, Travel Drip Bar for MTB/E-Bike/Road Bike"
brand: "coomeng"
price: "S$224"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/517900809-exa-form-hydraulic-dropper-seat-post-27-2mm-30-9mm
store_origin: SG
region: Singapore
---

# Easy Installation 3 Diameters Available Infinitely Adjustable EXA Form Hydraulic Dropper Seat Post 27.2mm/30.9mm/31.6mm Cordless 100mm/120mm/125mm/150mm, Travel Drip Bar for MTB/E-Bike/Road Bike

**Brand:** coomeng
**Price:** S$224
**Availability:** ✅ In Stock

## Summary

> 🚴‍♀️ Elevate Your Ride with Effortless Style!

## Quick Answers

- **What is this?** EXA Form Hydraulic Dropper Seat Post 27.2mm/30.9mm/31.6mm Cordless 100mm/120mm/125mm/150mm, Travel Drip Bar for MTB/E-Bike/Road Bike by coomeng
- **How much does it cost?** S$224 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/517900809-exa-form-hydraulic-dropper-seat-post-27-2mm-30-9mm)

## Best For

- coomeng enthusiasts

## Why This Product

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

## Key Features

- • **Hassle-Free Setup:** No cables, no fuss—just insert and lock!
- • **Lightweight Durability:** Crafted from 7075 alloy for strength without the bulk.
- • **Seamless Compatibility:** Choose from 27.2mm, 30.9mm, or 31.6mm for the perfect fit!
- • **Versatile Travel Options:** Available in 100mm, 120mm, 125mm, and 150mm travel for every ride.
- • **Effortless Height Adjustment:** Pull the lever and find your ideal seat height in seconds.

## Overview

The EXA Form Upgraded Speed Up Dropper Seatpost offers a cable-less design for easy installation and infinite height adjustment, available in three diameters and multiple travel options, making it the perfect upgrade for any MTB, E-Bike, or Road Bike enthusiast.

## Description

EXA Form Hydraulic Dropper Seat Post 27.2mm/30.9mm/31.6mm Cordless 100mm/120mm/125mm/150mm, Travel Drip Bar for MTB/E-Bike/Road Bike

## Features

- 3 Diameters Are Available: 27.2mm, 30.9mm, 31.6mm are all available for sale, it is very important to choose the correct diameter of seatpost according to the inner diameter of your bike frame. If you are not sure how to choose, please feel free to contact us for help.
- Easy Installation: no cables or housing, just gently insert the purchased seat tube into the frame, and then lock it. IMPORTANT: Insertion is required to the minimum insertion depth scale.
- Simple Operation: Just pull the lever and sit to adjust seat height.
- Infinitely Adjustable: Seat height can be set anywhere in travel range.
- Durable and Lightweight: Hydraulic dropper integrated inside 7075 alloy tube.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Bike type | Road Bike |
| Color | Diameter: 30.9mm |
| Size | Length 383mm X Travel 100mm |
| Material type | Aluminium |
| Batteries included? | No |
| Brand | CooMeng |
| Department | Unisex |
| Manufacturer | CooMeng |
| Item model number | Diameter: 30.9mm |
| Package Dimensions | 44.09 x 9.4 x 6.6 cm; 730 Grams |
| ASIN | B0B9KCY1RV |

## Product Details

- **Color:** Diameter: 30.9mm
- **Item Weight:** 0.73 Kilograms
- **Material:** Aluminum
- **Brand:** CooMeng
- **Product Dimensions:** 3.94"W x 15.08"H

## Images

![EXA Form Hydraulic Dropper Seat Post 27.2mm/30.9mm/31.6mm Cordless 100mm/120mm/125mm/150mm, Travel Drip Bar for MTB/E-Bike/Road Bike - Image 1](https://m.media-amazon.com/images/I/51tdztlWYmL.jpg)
![EXA Form Hydraulic Dropper Seat Post 27.2mm/30.9mm/31.6mm Cordless 100mm/120mm/125mm/150mm, Travel Drip Bar for MTB/E-Bike/Road Bike - Image 2](https://m.media-amazon.com/images/I/71w5tFm6P1L.jpg)
![EXA Form Hydraulic Dropper Seat Post 27.2mm/30.9mm/31.6mm Cordless 100mm/120mm/125mm/150mm, Travel Drip Bar for MTB/E-Bike/Road Bike - Image 3](https://m.media-amazon.com/images/I/61SoaoLUmyL.jpg)
![EXA Form Hydraulic Dropper Seat Post 27.2mm/30.9mm/31.6mm Cordless 100mm/120mm/125mm/150mm, Travel Drip Bar for MTB/E-Bike/Road Bike - Image 4](https://m.media-amazon.com/images/I/61NYGGebcsL.jpg)
![EXA Form Hydraulic Dropper Seat Post 27.2mm/30.9mm/31.6mm Cordless 100mm/120mm/125mm/150mm, Travel Drip Bar for MTB/E-Bike/Road Bike - Image 5](https://m.media-amazon.com/images/I/718abeQ3xVL.jpg)

## Available Options

This product comes in different **Size Name, Model** options.

## Frequently Bought Together

- EXA Form Upgraded Speed Up 27.2mm/30.9mm/31.6mm Cable-Less Hydraulic Dropper Seatpost, 100mm/120mm/125mm/150mm Travel Dropper Post for MTB/E-Bike/Road Bike
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**Shop now:** [https://www.desertcart.sg/products/517900809-exa-form-hydraulic-dropper-seat-post-27-2mm-30-9mm](https://www.desertcart.sg/products/517900809-exa-form-hydraulic-dropper-seat-post-27-2mm-30-9mm)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-23*