---
product_id: 487085972
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: "36 zł"
currency: PLN
in_stock: false
url: https://www.desertcart.pl/products/487085972-jfoyh-exa-form-900i-30-9mm-31-6mm-dropper-seatpost
store_origin: PL
region: Poland
---

# 3 size options for perfect fit Hydraulic dropper in lightweight 7075 alloy Remote cable control for on-the-fly adjustment 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:** 36 zł
**Availability:** ❌ Out of Stock

## Summary

> 🚴‍♂️ Elevate your ride instantly—because every second counts on the trail!

## 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?** 36 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/487085972-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 Durability:** Crafted from premium 7075 alloy, balancing strength and featherlight performance for serious riders.
- • **Clean, Internal Routing:** Designed exclusively for internal cable routing frames, ensuring a sleek, clutter-free bike aesthetic.
- • **Customizable Control Wire:** 1.6m remote cable can be trimmed to your ideal length for a personalized setup.
- • **Seamless Height Adjustment:** Hydraulic remote lever lets you change seat height mid-ride without stopping—stay in the flow.
- • **Tailored Fit, Maximum Comfort:** Choose from 30.9mm or 31.6mm diameters and three lengths to match your bike frame perfectly.

## Overview

The JFOYH EXA Form 900i is a precision-engineered hydraulic dropper seatpost available in 30.9mm and 31.6mm diameters with three length and travel options (100mm, 120mm, 150mm). Made from lightweight yet durable 7075 alloy, it features an internal cable routing design and a remote lever control with a customizable 1.6m cable, enabling seamless seat height adjustments without interrupting your ride.

## Description

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

## Features

- 🚴‍♂️Installation Diameter: 30.9mm/31.6mm are all available. It is very important to choose according to the inner diameter of the seat tube of your bicycle frame.
- 🚴‍♂️Length*Stroke: 345mm*100mm/395mm*120mm/445mm*150mm.
- 🚴‍♂️Remote Control: No need to stop to adjust the height of your seat, you can control the height as you like by pressing the lever during cycling. 1.6 meters long control wire, which can be cut as needed.
- 🚴‍♂️Durable and Lightweight: Hydraulic dropper integrated inside 7075 alloy tube, 345mm-about 480g, 395mm-about 620g, 445mm-about 670g.
- 🚴‍♂️Internal Cable Routing and Simple Installation: only suitable for internal cable routing frame, the installation process is very simple, please refer to the video for details.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | JFOYH |
| UPC | 774144172014 |
| Bike Type | Multi-Use |
| Color | Diameter: 30.9mm |
| Size | Length x Travel: 395mm x 120mm |
| Material Type | Metal |
| Batteries Included? | No |
| Item model number | Diameter: 30.9mm |
| Product Dimensions | 2.54 x 2.54 x 39.88 cm; 739 g |
| ASIN | B09YH56B6T |

## Product Details

- **Colour:** Diameter: 30.9mm
- **Item weight:** 0.74 Kilograms
- **Material:** Metal
- **Brand:** JFOYH
- **Product dimensions:** 25W x 399H millimeters

## 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)
![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 2](https://m.media-amazon.com/images/I/61BDX2UGmUL.jpg)
![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 3](https://m.media-amazon.com/images/I/71o8VNeN2PL.jpg)
![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 4](https://m.media-amazon.com/images/I/519w3738ekL.jpg)
![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 5](https://m.media-amazon.com/images/I/71t4fv8JvsL.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.

## 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)
- JKSPORTS ShimanoOEM BR MT200 Hydraulic Disc Brake Set Front 800mm and Rear 1400mm BR-BL-MT200 Hydraulic Disc Brake Set Front and Rear
- Andeshunk Mountain Bike Crankset Hollow Integrated Crank axle Modified Single disc Crank 32T 34 36T

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pl/products/487085972-jfoyh-exa-form-900i-30-9mm-31-6mm-dropper-seatpost](https://www.desertcart.pl/products/487085972-jfoyh-exa-form-900i-30-9mm-31-6mm-dropper-seatpost)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-22*