---
product_id: 637981232
title: "Tremor X 27.5D 21 Gear Mountain Bicycle for Adult | Blue | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens"
brand: "firefox"
price: "€ 586.58"
currency: EUR
in_stock: true
reviews_count: 8
category: "Firefox"
url: https://www.desertcart.fi/products/637981232-tremor-x-27-5d-21-gear-mountain-bicycle-for-adult
store_origin: FI
region: Finland
---

# 60mm front suspension for smooth control 21-speed Shimano precision gears 98% pre-assembled for instant ride Tremor X 27.5D 21 Gear Mountain Bicycle for Adult | Blue | Front Suspension | Disc Brake | Steel Frame:18inch | Ideal Rider Height:5'5-5'11 | 98% Pre-Assembled | Ideal for Mens

**Brand:** firefox
**Price:** € 586.58
**Availability:** ✅ In Stock

## Summary

> 🚵‍♂️ Own the trail, own the moment — Firefox Tremor X rides where others hesitate!

## Quick Answers

- **What is this?** Tremor X 27.5D 21 Gear Mountain Bicycle for Adult | Blue | 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?** € 586.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/637981232-tremor-x-27-5d-21-gear-mountain-bicycle-for-adult)

## 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 with Reliable Disc Brakes:** Enhanced safety and confidence in all weather conditions.
- • **Ride Ready in Minutes with 98% Pre-Assembly:** Spend less time setting up and more time owning the ride.
- • **Built Tough with a High-Strength Steel Frame:** Durability meets style for the modern adventurer.
- • **Smooth Out the Rough with 60mm Front Suspension:** Absorb shocks, reduce fatigue, and stay stable on rugged paths.
- • **Conquer Every Terrain with 21-Speed Shimano Gears:** Effortless shifting for ultimate control and speed on any trail.

## Overview

The FIREFOX Tremor X 27.5D is a rugged, high-performance mountain bike designed for adult riders between 5'5" and 5'11". Featuring a durable 18-inch alloy steel frame, 21-speed Shimano gears, and a 60mm front suspension, it delivers smooth rides across diverse terrains. With disc brakes for reliable stopping power and 98% pre-assembled setup, this bike combines convenience, control, and style for thrill-seekers and daily commuters alike.

## Description

Firefox Tremor X is more than just a bike - it's a statement. Built for thrill-seekers and trendsetters, this all-terrain bike delivers unstoppable performance and style. With its high-strength steel frame, 60mm suspension, and disc brakes, Tremor X is ready to take on any terrain and deliver an unforgettable ride

Review: Firefox Tremor is Amazing - I’ve been riding the Firefox Tremor for a while now, and it’s been a great experience. The build quality is solid, rides are smooth, and the design looks really sharp. Overall, a great bike if you’re looking for something reliable and stylish!
Review: Not delivered to my location... Product is good - Not delivered to my location.... Product is good Packing is good

## 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 |
|---------------|-------|
| ASIN | B0D7HTL67T |
| Age Range (Description) | Adult |
| Assembly Required | Yes |
| Best Sellers Rank | #20,252 in Sports, Fitness & Outdoors ( See Top 100 in Sports, Fitness & Outdoors ) #114 in Mountain Bikes |
| Bicycle Drivetrain Type | Multi-speed |
| Bicycle Gear Shifter Type | Drop Bar |
| Bike Type | Mountain Bike |
| Brake Style | Disc |
| Brand | FIREFOX |
| Colour | Blue |
| Country of Origin | India |
| Department | Unisex-Adult |
| Derailleur Configuration | Front and Rear |
| Frame Material | Alloy Steel |
| Frame Size | 18 Centimeters |
| Frame Type | Hard Tail |
| Generic Name | Remove All The Values |
| Included Components | Tool Kit |
| Item Dimensions LxWxH | 177 x 66 x 101 Centimeters |
| Item Weight | 17 kg 600 g |
| 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 |
| Maximum Weight Recommendation | 100 Kilograms |
| Minimum User Height | 165 Centimetres |
| Model Name | Tremor X |
| Net Quantity | 1.0 Count |
| Number of Speeds | 21 |
| Packer | Firefox Bikes Pvt Ltd, #2A-1001,10th floor, Two horizon center, Sec-43,DLF phase 5, Gurugram-122002 |
| Power Source | Pedal power |
| Size | 27.5T |
| Style | Modern |
| Suspension Type | Front |
| Warranty Type | Limited |
| Wheel Material | Alloy Steel |
| Wheel Size | 70 Centimetres |

## Product Details

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

## Images

![Tremor X 27.5D 21 Gear Mountain Bicycle for Adult | Blue | 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/612+HakJvlL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Firefox Tremor is Amazing
*by V***A on 14 October 2025*

I’ve been riding the Firefox Tremor for a while now, and it’s been a great experience. The build quality is solid, rides are smooth, and the design looks really sharp. Overall, a great bike if you’re looking for something reliable and stylish!

### ⭐⭐⭐⭐ Not delivered to my location... Product is good
*by S***H on 19 January 2026*

Not delivered to my location.... Product is good Packing is good

### ⭐⭐⭐⭐⭐ Awesome great fabulous
*by R***I on 6 September 2025*

Awesome great superb comfort this is the awesome product in this price thank you team amazon and Firerox to send this product to my pin thank you soo much this product is fabulous i have no words to describe about this product

## Frequently Bought Together

- FIREFOX Tremor X 27.5 D Mountain Cycle (21 Gear, Blue) | Ideal for Mens | 98% Assembled Cycle
- GADGET DEALS Durable Quality Cycle Bell for Bicycle Ultra-Loud Cycle Horn Trending Kids Cycle Bell

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**Shop now:** [https://www.desertcart.fi/products/637981232-tremor-x-27-5d-21-gear-mountain-bicycle-for-adult](https://www.desertcart.fi/products/637981232-tremor-x-27-5d-21-gear-mountain-bicycle-for-adult)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-26*