---
product_id: 461592946
title: "EXA Form 900i 31.6mm Dropper Post with Remote Lever and Cable Kit MTB/Ebike Internal Routing Dropper Seatpost for Mountain Bike(125mm Travel)-395mm Length"
brand: "jfoyh"
price: "฿1103"
currency: THB
in_stock: false
reviews_count: 8
url: https://www.desertcart.co.th/products/461592946-exa-form-900i-31-6mm-dropper-post-with-remote-lever
store_origin: TH
region: Thailand
---

# 31.6mm diameter precision fit Internal cable routing for sleek install 120mm smooth travel stroke EXA Form 900i 31.6mm Dropper Post with Remote Lever and Cable Kit MTB/Ebike Internal Routing Dropper Seatpost for Mountain Bike(125mm Travel)-395mm Length

**Brand:** jfoyh
**Price:** ฿1103
**Availability:** ❌ Out of Stock

## Summary

> 🚵‍♂️ Elevate your ride, drop the limits.

## Quick Answers

- **What is this?** EXA Form 900i 31.6mm Dropper Post with Remote Lever and Cable Kit MTB/Ebike Internal Routing Dropper Seatpost for Mountain Bike(125mm Travel)-395mm Length by jfoyh
- **How much does it cost?** ฿1103 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/461592946-exa-form-900i-31-6mm-dropper-post-with-remote-lever)

## 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

- • **Tailored Fit Options:** Choose from multiple lengths and travel distances to perfectly match your riding style and frame.
- • **Durable 7075 Alloy Build:** Lightweight yet rock-solid construction engineered to withstand rugged trails and daily commutes.
- • **Seamless Internal Routing:** Keep your bike’s aesthetics clean with hidden cable design—no clutter, all style.
- • **Lifetime Warranty Confidence:** Ride worry-free knowing your dropper post is backed by a lifetime warranty against defects.
- • **Remote-Controlled Height Adjustment:** Shift your seat height on the fly without missing a beat or stopping your ride.

## Overview

The EXA Form 900i is a premium 31.6mm diameter dropper seatpost designed exclusively for internal routing mountain and e-bike frames. Featuring a 120mm travel stroke and remote lever for effortless height adjustment, it combines lightweight 7075 alloy durability with customizable length options. Perfect for riders seeking a sleek, high-performance upgrade backed by a lifetime warranty.

## Description

Product description Why you need a EXA Form 900i dropper post kit? 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The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. (window.desertcartUIPageJS ? desertcartUIPageJS : P).load.js('https://m.media-desertcart.com/images/I/61rq0L4t2wL.js?AUIClients/VSEPlayer'); (window.desertcartUIPageJS ? desertcartUIPageJS : P).load.js('https://m.media-desertcart.com/images/I/3175HHgX+OL._RC|01x4giTy+uL.js,01r9LpT6pbL.js,41NWBkfooBL.js,11QfrzttlqL.js,91VXiFQ1TCL.js,01ELLYeIOkL.js_.js?AUIClients/Brila'); (function(f) {var _np=(window.P._namespace("vse-ns-initVSEPlayerOnLoad"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) { P.when('VSEPlayer').execute(function(vsePlayer){vsePlayer.initPlayer('aplus-2861-player-ps');}); //Please use below event to register FeedbackForm P.when('A', 'VSEComponentAssets').execute('vse-ns-player-initialization', function(A, asset) { A.trigger('vse:ns:player:aplus-2861:init', 'aplus-2861-player-ps'); }); })); Install the remote lever in the desired location Step 1, Install the Westy Remote Lever The package includes an Integrated Barrel Adjuster, which can be used optionally to adjust the tension. Sequence during installation: Remote Lever - (Ferrule - Integrated Barrel Adjuster [optional]) - Ferrule - Cable Housing This step is very critical, and it needs to be operated strictly according to the video, otherwise the installation may fail. Do not permanently affix your housing in place Measuring and Cutting the Length of The Cable With the housing and noodle in place at the remote lever, route the housing through your bicycle frame per your bicycle frame manufacturers specifications. To determine the correct length for your housing, pull the housing to remove excess slack with the handlebars turned 90-degree from the forward position. Be sure the housing is long enough to wrap around the head tube as shown to not impede with steering. Step 3, About the Seatpost Orientation Please read the installation manual or video carefully before installation. Step 4, About Minimum Insert This is critical and must be installed to the minimum insertion distance as required. Step5, About Saddle Installation Finally, adjust the saddle height and angle as desired and tighten the saddle rail clamp bolts to the recommended torque specification. We also have dropper post with external routing or cable-less! EXA Form 900i Dropper SOTARA COMP Dropper EXA Form Speed Up Dropper Remote Lever Diameter Adapter What type of lever is included in the package? 1X lever? 2X lever? It's coming with standard 1x lever. What type of lever is included in the package? 1X lever? 2X lever? It's coming with standard 1x lever. Is it coming with cable in housing? Yes, it's coming with cable in housing, ahout 1500mm. Is it coming with cable in housing? Yes, it's coming with cable in housing, ahout 1500mm. How to install this dropper post? The installation process is simple, we have also shot an installation tutorial for you, please watch our product related videos. How to install this dropper post? The installation process is simple, we have also shot an installation tutorial for you, please watch our product related videos. Is 900i dropper post only for internal routing frame? Yes, 900i only for internal routinbg frame. Is 900i dropper post only for internal routing frame? Yes, 900i only for internal routinbg frame. How Much Rotational Play Is Normal? 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. How Much Rotational Play Is Normal? 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. You May Also Need A 4-Pistons Hydraulic Disc Brake Set. ZOOM HB876 Disc Brake Set JFOYH ZT2001 Brake Set PRO E4 Disc Brake Set E-bike Disc Brake Set Disc Brake Caliper 4 Pistons Disc Brake Set Hydraulic Disc Brake Set

Review: Great post for the budget minded. Highly recommend. - This dropper functions as described. Six month test has gone well as I ride mainly blue trails with the occasional black 2-3 times a week. Only thing to note is I have to slightly stand and relieve tension from post in order for it to drop easier, ie: slightly stand, engage thumb trigger, sit on post to drop. Great post for the budget minded. Highly recommend. Hope this helps. Happy shopping.
Review: Excelente - Excelente

## Features

- ONLY for internal routing bike frame!
- 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 | B09YH47JC7 |
| Best Sellers Rank | #555,135 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #562 in Bike Seat Posts |
| Bike Type | Multi-Use |
| Brand | JFOYH |
| Brand Name | JFOYH |
| Color | Diameter: 31.6mm |
| Customer Reviews | 4.0 out of 5 stars 36 Reviews |
| Included Components | 1600mm Long Remote Control Cable, 31.6mm Diameter Seatpost Mainbody, Remote Control Lever Assembly, User Manual |
| Item Dimensions W x H | 1.24"W x 15.55"H |
| Item Type Name | Internal Routing |
| Manufacturer | JFOYH BIKE |
| Manufacturer Part Number | BIKE DROPPER SEATPOST |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | Diameter: 31.6mm |
| Product Dimensions | 1.24"W x 15.55"H |
| UPC | 774144172106 |
| Warranty Description | Lifetime warranty, excluding man-made damage and natural wear and tear. |

## Product Details

- **Brand:** JFOYH
- **Color:** Diameter: 31.6mm
- **Item Weight:** 0.79 Kilograms
- **Material:** Aluminum
- **Product Dimensions:** 1.24"W x 15.55"H

## Images

![EXA Form 900i 31.6mm Dropper Post with Remote Lever and Cable Kit MTB/Ebike Internal Routing Dropper Seatpost for Mountain Bike(125mm Travel)-395mm Length - Image 1](https://m.media-amazon.com/images/I/61D4iUwD08L.jpg)
![EXA Form 900i 31.6mm Dropper Post with Remote Lever and Cable Kit MTB/Ebike Internal Routing Dropper Seatpost for Mountain Bike(125mm Travel)-395mm Length - Image 2](https://m.media-amazon.com/images/I/614xQX7NfmL.jpg)
![EXA Form 900i 31.6mm Dropper Post with Remote Lever and Cable Kit MTB/Ebike Internal Routing Dropper Seatpost for Mountain Bike(125mm Travel)-395mm Length - Image 3](https://m.media-amazon.com/images/I/519w3738ekL.jpg)
![EXA Form 900i 31.6mm Dropper Post with Remote Lever and Cable Kit MTB/Ebike Internal Routing Dropper Seatpost for Mountain Bike(125mm Travel)-395mm Length - Image 4](https://m.media-amazon.com/images/I/71t4fv8JvsL.jpg)
![EXA Form 900i 31.6mm Dropper Post with Remote Lever and Cable Kit MTB/Ebike Internal Routing Dropper Seatpost for Mountain Bike(125mm Travel)-395mm Length - Image 5](https://m.media-amazon.com/images/I/61aiiMqvKKL.jpg)

## 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

### ⭐⭐⭐⭐⭐ Great post for the budget minded. Highly recommend.
*by B***3 on March 29, 2025*

This dropper functions as described. Six month test has gone well as I ride mainly blue trails with the occasional black 2-3 times a week. Only thing to note is I have to slightly stand and relieve tension from post in order for it to drop easier, ie: slightly stand, engage thumb trigger, sit on post to drop. Great post for the budget minded. Highly recommend. Hope this helps. Happy shopping.

### ⭐⭐⭐⭐⭐ Excelente
*by N***R on August 9, 2025*

Excelente

### ⭐ Manual lies.
*by A***R on July 10, 2025*

The manual says that the pressure is adjustable. This is a complete lie, where it shows a valve stem in the manual there isnt one there, Its completely sealed. Considering returning it.

## 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)
- Andeshunk Mountain Bike Crankset Hollow Integrated Crank axle Modified Single disc Crank 32T 34 36T

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-09-22*