---
product_id: 474150521
title: "EXA Form 900i 30.9mm/31.6mm Internal Routing Dropper Post with Lever and Cable Kit MTB/Ebike Internal Bike Seatpost 100/120/150mm Travel -345/395/445mm Length"
brand: "jfoyh"
price: "33241 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/474150521-exa-form-900i-30-9mm-31-6mm-internal-routing-dropper
store_origin: IS
region: Iceland
---

# Multiple length & travel options (345/395/445mm & 100/120/150mm) 7075 aluminum alloy for lightweight durability Smooth remote lever for instant height adjustment EXA Form 900i 30.9mm/31.6mm Internal Routing Dropper Post with Lever and Cable Kit MTB/Ebike Internal Bike Seatpost 100/120/150mm Travel -345/395/445mm Length

**Brand:** jfoyh
**Price:** 33241 kr
**Availability:** ✅ In Stock

## Summary

> 🚵‍♂️ Elevate your ride with precision and style – drop in, stand out!

## Quick Answers

- **What is this?** EXA Form 900i 30.9mm/31.6mm Internal Routing Dropper Post with Lever and Cable Kit MTB/Ebike Internal Bike Seatpost 100/120/150mm Travel -345/395/445mm Length by jfoyh
- **How much does it cost?** 33241 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/474150521-exa-form-900i-30-9mm-31-6mm-internal-routing-dropper)

## 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

- • **Premium Alloy Build:** Crafted from aerospace-grade 7075 aluminum alloy for unbeatable strength-to-weight ratio and long-lasting reliability.
- • **Tailored Diameter Options:** Choose between 30.9mm and 31.6mm to ensure a perfect, secure fit for your seat tube.
- • **Customizable Travel & Length:** Select from multiple travel distances and lengths to perfectly match your riding style and bike geometry.
- • **Effortless On-the-Fly Adjustments:** Remote lever lets you instantly adapt your seat height mid-ride without missing a beat.
- • **Precision Fit for Internal Routing Frames:** Designed exclusively for sleek internal cable routing to keep your bike’s aesthetics and performance flawless.

## Overview

The EXA Form 900i dropper post is a high-performance, internally routed seatpost designed for serious MTB and e-bike riders. Featuring aerospace-grade 7075 aluminum alloy construction, it offers a lightweight yet durable solution with multiple size and travel options. Its smooth remote lever enables quick seat height adjustments on the fly, ensuring optimal riding posture and control. Perfect for riders who demand both function and sleek integration with their internal routing frames.

## Description

The 900-i boasts features typically only found on higher end droppers such as aluminum alloy construction, sealed cartridge, forged head parts, 1-piece mast and of course, It functions as a smooth, reliable dropper post.

## Features

- For Internal Routing Frames Only – This dropper post is specifically designed for bikes with internal cable routing. Please confirm your frame supports internal routing before purchasing.
- Select the Correct Diameter – Available in 30.9mm and 31.6mm. It’s crucial to measure your bike’s seat tube inner diameter and choose the matching size. An incorrect size will not fit.
- Smooth Remote-Control Height Adjustment – Includes a remote lever for quick and precise seat height changes while riding, so you can adapt instantly without stopping.
- Lightweight & Durable Alloy Construction – Crafted from 7075 aluminum alloy for strength and reliability. Weight ranges from approx. 480g (shortest) to 670g (longest) depending on the length.
- Multiple Length & Travel Options – Choose from 345mm/395mm/445mm lengths with 100mm/120mm/150mm travel options to match your bike and riding style.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | JFOYH BIKE |
| UPC | 774144172076 |
| Item Package Dimensions L x W x H | 17.44 x 3.31 x 2.56 inches |
| Package Weight | 0.73 Kilograms |
| Item Dimensions  LxWxH | 1.2 x 1.2 x 17.5 inches |
| Brand Name | JFOYH |
| Warranty Description | 12-month Limited Wrranty |
| Model Name | 900i |
| Part Number | BIKE DROPPER SEATPOST |
| Included Components | Dropper Post Body, Lever Kit |
| Size | Φ31.6mm Dia x 100mm Tra x 345mm Len |

## Product Details

- **Color:** Black
- **Item Weight:** 0.73 Kilograms
- **Material:** Aluminum
- **Brand:** JFOYH
- **Product Dimensions:** 1.2"W x 17.5"H

## Images

![EXA Form 900i 30.9mm/31.6mm Internal Routing Dropper Post with Lever and Cable Kit MTB/Ebike Internal Bike Seatpost 100/120/150mm Travel -345/395/445mm Length - Image 1](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)

## Available Options

This product comes in different **Size** 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)
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**Shop now:** [https://www.desertcart.is/products/474150521-exa-form-900i-30-9mm-31-6mm-internal-routing-dropper](https://www.desertcart.is/products/474150521-exa-form-900i-30-9mm-31-6mm-internal-routing-dropper)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-26*