---
product_id: 509159633
title: "JFOYH EXA Form 900i 30.9mm/31.6mm Dropper Seatpost 100mm/125mm/150mm Travel Remote Cable Control Dropper Post for Internal Routing Bike Frame(345mm/395mm/445mm Length)"
brand: "jfoyh"
price: "$534"
currency: NZD
in_stock: true
reviews_count: 1
category: "Jfoyh"
url: https://www.desertcart.nz/products/509159633-jfoyh-exa-form-900i-30-9mm-31-6mm-dropper-seatpost
store_origin: NZ
region: New Zealand
---

# Remote cable control for on-the-fly height adjust 2 diameter options (30.9mm/31.6mm) 3 length & stroke combos (345-445mm / 100-150mm) JFOYH EXA Form 900i 30.9mm/31.6mm Dropper Seatpost 100mm/125mm/150mm Travel Remote Cable Control Dropper Post for Internal Routing Bike Frame(345mm/395mm/445mm Length)

**Brand:** jfoyh
**Price:** $534
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate your ride instantly—drop in style, rise in performance!

## Quick Answers

- **What is this?** JFOYH EXA Form 900i 30.9mm/31.6mm Dropper Seatpost 100mm/125mm/150mm Travel Remote Cable Control Dropper Post for Internal Routing Bike Frame(345mm/395mm/445mm Length) by jfoyh
- **How much does it cost?** $534 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/509159633-jfoyh-exa-form-900i-30-9mm-31-6mm-dropper-seatpost)

## Best For

- jfoyh enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight Yet Rugged:** Crafted from premium 7075 aluminum alloy for durability without the bulk—ride longer, ride stronger.
- • **Sleek Internal Routing:** Keep your bike’s aesthetics clean with hidden cable design—ride in style and sophistication.
- • **Tailored Travel Options:** Select from three stroke lengths (100mm, 120mm, 150mm) to match your terrain and riding style perfectly.
- • **Effortless Height Control:** Adjust your seat height mid-ride with the included remote lever—no stops, no compromises.
- • **Precision Fit, Zero Hassle:** Choose the exact diameter for seamless installation and peak performance.

## Overview

The EXA Form 900i is a high-performance dropper seatpost designed for modern mountain bikes with internal cable routing. Available in two diameters (30.9mm and 31.6mm) and three length/stroke combinations, it offers remote hydraulic control for seamless seat height adjustments on the fly. Constructed from durable yet lightweight 7075 aluminum alloy, it balances strength and weight for serious riders seeking both style and function.

## Description

Remote Control Hydraulic Dropper Seatpost (internal routing)Parameter InformationDiameter: 30.9mm/31.6mmLength: 345mm/395mm/445mmStroke: 100mm/120mm/150mm

Review: Ok but some parts are substandard - After fitting the seatpost and attaching the lever the bolt holding the clamp for the handlebars sheared off after the second use during testing.

## Features

- 📢Choosing The Correct Diameter is Crucial: It is essential to select the right diameter (30.9mm or 31.6mm) based on the inner diameter of your bicycle frame's seat tube. Choosing the wrong diameter can result in an inability to install. REMEMBER, selecting the correct diameter is crucial to ensure a proper fit.
- 📢Internal Cable Routing and Easy Installation: This dropper post is designed for frames with internal cable routing, providing a clean and organized appearance. The installation process is simple, and you can refer to instructional videos for guidance.
- 📢Convenient Remote-controlled Height Adjustment: With the included remote lever, you can easily adjust the seat height while riding, eliminating the need to stop and manually adjust the seat position.
- 📢Durable and Lightweight Construction: The seat post is made of 7075 alloy tube, which offers durability while remaining lightweight. The weight varies depending on the length, with the shortest version weighing approximately 480g and the longest version weighing around 670g.
- 📢Different length and stroke options available: The seat post comes in three length options (345mm, 395mm, and 445mm) and corresponding stroke options (100mm, 120mm, and 150mm, respectively). Choose the combination that suits your preferences and riding style.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09YH576CH |
| Best Sellers Rank | 244,681 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 351 in Cycling Seat Posts |
| Bike Type | Multi-Use |
| Brand | JFOYH |
| Brand Name | JFOYH |
| Colour | Diameter: 31.6mm |
| Customer Reviews | 4.1 out of 5 stars 252 Reviews |
| Item Dimensions W x H | 32W x 445H millimetres |
| Item Type Name | Internal Routing |
| Item Weight | 0.87 Kilograms |
| Item weight | 0.87 Kilograms |
| Manufacturer | JFOYH BIKE |
| Material | Aluminium |
| Material Type | Aluminium |
| Product dimensions | 32W x 445H millimetres |
| UPC | 774144172137 |

## Product Details

- **Brand:** JFOYH
- **Colour:** Diameter: 31.6mm
- **Item weight:** 0.87 Kilograms
- **Material:** Aluminium
- **Product dimensions:** 32W x 445H millimetres

## Images

![JFOYH EXA Form 900i 30.9mm/31.6mm Dropper Seatpost 100mm/125mm/150mm Travel Remote Cable Control Dropper Post for Internal Routing Bike Frame(345mm/395mm/445mm Length) - Image 1](https://m.media-amazon.com/images/I/61D4iUwD08L.jpg)

## Available Options

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

## Questions & Answers

**Q: What type of lever is included in the package? 1X lever? 2X lever?**
A: It's coming with standard 1x lever.

**Q: Is it coming with cable in housing?**
A: Yes, it's coming with cable in housing, ahout 1500mm.

**Q: How to install this dropper post?**
A: The installation process is simple, we have also shot an installation tutorial for you, please watch our product related videos.

**Q: Is 900i dropper post only for internal routing frame?**
A: Yes, 900i only for internal routinbg frame.

**Q: How Much Rotational Play Is Normal?**
A: 1-3mm of rotation is normal. Without a bit of wiggle room between the stanchion and the mid cap bushing, the dirt and grime that makes its way into your dropper could do some serious damage.

## Customer Reviews

### ⭐⭐ Ok but some parts are substandard
*by N***R on 28 July 2025*

After fitting the seatpost and attaching the lever the bolt holding the clamp for the handlebars sheared off after the second use during testing.

## Frequently Bought Together

- EXA Form 900i 30.9mm/31.6mm Dropper Post with Remote Lever and Cable Kit MTB/Ebike Internal Routing Dropper Seatpost for Mountain Bike(100mm/125mm/150mm Travel)
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**Shop now:** [https://www.desertcart.nz/products/509159633-jfoyh-exa-form-900i-30-9mm-31-6mm-dropper-seatpost](https://www.desertcart.nz/products/509159633-jfoyh-exa-form-900i-30-9mm-31-6mm-dropper-seatpost)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-28*