---
product_id: 637981039
title: "Tremor X 29D 21 Gear Mountain Bicycle for Adult | Grey | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens"
brand: "firefox"
price: "583585CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/637981039-tremor-x-29d-21-gear-mountain-bicycle-for-adult-grey
store_origin: SN
region: Senegal
---

# 21-speed Shimano gears for precise control 60mm front suspension for shock absorption 29-inch wheels for smooth trail conquering Tremor X 29D 21 Gear Mountain Bicycle for Adult | Grey | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens

**Brand:** firefox
**Price:** 583585CFA
**Availability:** ✅ In Stock

## Summary

> 🚵‍♂️ Own the trail, own the moment.

## Quick Answers

- **What is this?** Tremor X 29D 21 Gear Mountain Bicycle for Adult | Grey | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens by firefox
- **How much does it cost?** 583585CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/637981039-tremor-x-29d-21-gear-mountain-bicycle-for-adult-grey)

## Best For

- firefox enthusiasts

## Why This Product

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

## Key Features

- • **Stop on a Dime:** Reliable disc brakes ensure confident, quick stops in all conditions.
- • **Shift Like a Pro:** 21-speed Shimano gears deliver seamless transitions for ultimate speed and control.
- • **Smooth Every Bump:** 60mm front suspension absorbs shocks, reducing fatigue and boosting comfort on rough trails.
- • **Ride Beyond Limits:** 29-inch wheels and rugged steel frame tackle any terrain with ease.
- • **Almost Ready to Roll:** 98% pre-assembled for fast setup—get riding faster and join the adventure community.

## Overview

The FIREFOX Tremor X 29D is a versatile 21-gear mountain bike designed for adults between 5'5" and 5'11". Featuring a durable 18-inch alloy steel frame, 29-inch wheels, front suspension with 60mm travel, and disc brakes, it offers a smooth, controlled ride on diverse terrains. With 98% pre-assembly, it’s ready to elevate your daily commute or weekend adventure.

## Description

Tremor X 29D 21 Gear Mountain Bicycle for Adult | Grey | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens

## Features

- WHY FIREFOX TREMOR X: Take the road less traveled, or just enjoy the ride - Tremor X is built for riders who crave flexibility, performance, and fun. With its rugged design and reliable features, this all-terrain bike is perfect for casual rides, weekend adventures, or daily commutes
- Shock Absorbing 60mm Suspension: Soak up the bumps, own the ride. Enjoy a smoother ride, better control, increased comfort, reduced fatigue, and enhanced stability on any terrain
- Gear Up, Ride Free with 21 Speed Shimano Gears: Seamlessly shift through gears, conquer any terrain, and ride with precision and control. Enjoy effortless pedaling, increased speed, and an enhanced riding experience
- Grip It and Rip It with Comfortable Handlebar Grip: Ride in comfort and style, even on long distances. Enjoy reduced fatigue, improved control, and a more enjoyable riding experience

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Bike Type | Mountain Bike |
| Age Range (Description) | Adult |
| Brand | FIREFOX |
| Number of Speeds | 21 |
| Colour | Grey |
| Wheel Size | 29 Inches |
| Frame Material | Alloy Steel |
| Suspension Type | Front |
| Included Components | Tool Kit |
| Size | 29T |
| Brake Style | Disc |
| Specific Uses For Product | Trail |
| Style | Modern |
| Model Name | Tremor X |
| Power Source | Pedal power |
| Assembly Required | Yes |
| Bicycle Gear Shifter Type | Down Tube |
| Bicycle Drivetrain Type | Derailleur |
| Manufacturer | Firefox Bikes Pvt Ltd, #2A-1001,10th floor, Two horizon center, Sec-43,DLF phase 5, Gurugram-122002, Firefox Bikes Pvt Ltd, #2A-1001,10th floor, Two horizon center, Sec-43,DLF phase 5, Gurugram-122002 |
| Frame Size | 18 Inches |
| Department | Unisex-Adult |
| Manufacturer | Firefox Bikes Pvt Ltd, #2A-1001,10th floor, Two horizon center, Sec-43,DLF phase 5, Gurugram-122002 |
| ASIN | B0D7DK23TH |

## Product Details

- **Bike Type:** Mountain Bike
- **Age Range (Description):** Adult
- **Brand:** FIREFOX
- **Number of Speeds:** 21
- **Colour:** Grey

## Images

![Tremor X 29D 21 Gear Mountain Bicycle for Adult | Grey | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens - Image 1](https://m.media-amazon.com/images/I/61gvBp4CN2L.jpg)
![Tremor X 29D 21 Gear Mountain Bicycle for Adult | Grey | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens - Image 2](https://m.media-amazon.com/images/I/61sQMOwGY5L.jpg)
![Tremor X 29D 21 Gear Mountain Bicycle for Adult | Grey | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens - Image 3](https://m.media-amazon.com/images/I/61wECQX8fPL.jpg)
![Tremor X 29D 21 Gear Mountain Bicycle for Adult | Grey | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens - Image 4](https://m.media-amazon.com/images/I/61LepBF9GeL.jpg)
![Tremor X 29D 21 Gear Mountain Bicycle for Adult | Grey | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens - Image 5](https://m.media-amazon.com/images/I/61C39pucOFL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.sn/products/637981039-tremor-x-29d-21-gear-mountain-bicycle-for-adult-grey](https://www.desertcart.sn/products/637981039-tremor-x-29d-21-gear-mountain-bicycle-for-adult-grey)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-01-23*