---
product_id: 409860415
title: "Firefox Bikes Unisex Viper 26T 21 Aluminum-Alloy Speed MTB Mountain & Commuting Bike Cycle (15 inch, Matt Grey)"
brand: "firefox"
price: "83215 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/409860415-firefox-bikes-unisex-viper-26t-21-aluminum-alloy-speed-mtb
store_origin: HU
region: Hungary
---

# 21-speed Shimano drivetrain Aluminum alloy frame, lightweight & durable Front double crown Zoom suspension fork Firefox Bikes Unisex Viper 26T 21 Aluminum-Alloy Speed MTB Mountain & Commuting Bike Cycle (15 inch, Matt Grey)

**Brand:** firefox
**Price:** 83215 Ft
**Availability:** ✅ In Stock

## Summary

> 🚴‍♀️ Own the streets and trails with the Viper – where speed meets style!

## Quick Answers

- **What is this?** Firefox Bikes Unisex Viper 26T 21 Aluminum-Alloy Speed MTB Mountain & Commuting Bike Cycle (15 inch, Matt Grey) by firefox
- **How much does it cost?** 83215 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/409860415-firefox-bikes-unisex-viper-26t-21-aluminum-alloy-speed-mtb)

## 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

- • **Ready to Roll:** Semi-assembled delivery with included tool kit means you’re just minutes away from joining the cycling elite.
- • **Built to Endure:** Robust aluminum alloy frame paired with double-wall rims ensures strength without the weight—ride confidently every day.
- • **Smooth Shifting Mastery:** 21-speed Shimano EZFire shifters for seamless gear transitions, conquering city streets and trails alike.
- • **Comfort Meets Convenience:** Quick-release seat post for effortless saddle adjustments tailored to your perfect ride posture.
- • **Powerful Stopping Control:** Disc brakes front and rear deliver reliable, all-weather stopping power for your urban and off-road adventures.

## Overview

The Firefox Bikes Unisex Viper 26T is a versatile 21-speed mountain bike featuring a lightweight aluminum alloy frame, front double crown Zoom suspension fork, and reliable disc brakes. Designed for riders 5.5 to 5.8 feet tall, it blends rugged durability with urban commuting ease, delivered semi-assembled with essential tools for quick setup.

## Description

Firefox Bikes Unisex Viper 26T 21 Aluminum-Alloy Speed MTB Mountain & Commuting Bike Cycle (15 inch, Matt Grey)

## Features

- Viper is a Alloy MTB that offers the functionality of casual city cycling. This stylish bike is a great choice for daily commute.
- Alloy Hardtail MTB bike with Double Crown Zoom Suspension Fork, Shimano Tourney RD & FD, Shimano EZFire Shifters
- The bike is equiped with Disc-Brake for Power Braking, Double wall rims for extra strength, Seat QR for easy saddle adjustment
- Key Features: The cycle is delivered in Semi-Assembled condition (85% assembled). | Tire Size: 26 inches| Frame Size: 14 inches
- Ideal For:12+Yrs| Min Rider Height:5.5 feet | Max Rider Height:5.8 feet | Front Brake:Disc-Brake| Rear Brake:Disc-Brake | Frame Material:Alloy|Side Stand:Yes I Reflector:YES I Suspension:Front

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Age Range | 12+ |
| Bike Type | FIREFOX BIKES PRIVATE LIMITED-Gurgaon-203131, Mountain Bike |
| Brake Type | Disc |
| Color | aluminum |
| Size | Others |
| Style | Speed Mountain Bike |
| Frame Material | Aluminum |
| Frame Size | 15 Inches |
| handle-type | Mountain Bar |
| Length | 54.7 inches |
| Material Type | Aluminium |
| Number of Speeds | 21 |
| Power Source | Pedal power |
| Features | Adjustable Seat |
| Usage | 1, count |
| Speed Rating | 21 Speed |
| Sport | cycling |
| Suspension | Front |
| Wheel Size | 27.5 Inches |
| Included Components | In-box Content : 1 Firefox Bikes Viper Pedal, Tool Kit (Allen Key & Muti Spanner). I For first free service,connect with Customer Support |
| Brand | FIREFOX |
| Department | Unisex-Adult |
| Manufacturer | FIREFOX BIKES PRIVATE LIMITED-Gurgaon-203131 |
| Item model number | Viper 26T 21 |
| Product Dimensions | 138.9 x 18 x 75.9 cm; 17 kg |
| ASIN | B08BTLGPQM |

## Product Details

- **Bike type:** FIREFOX BIKES PRIVATE LIMITED-Gurgaon-203131, Mountain Bike
- **Age range (description):** 12+
- **Brand:** FIREFOX
- **Number of speeds:** 21
- **Colour:** aluminum

## Images

![Firefox Bikes Unisex Viper 26T 21 Aluminum-Alloy Speed MTB Mountain & Commuting Bike Cycle (15 inch, Matt Grey) - Image 1](https://m.media-amazon.com/images/I/81TBY4fKJZL.jpg)
![Firefox Bikes Unisex Viper 26T 21 Aluminum-Alloy Speed MTB Mountain & Commuting Bike Cycle (15 inch, Matt Grey) - Image 2](https://m.media-amazon.com/images/I/81d7fW0-EoL.jpg)
![Firefox Bikes Unisex Viper 26T 21 Aluminum-Alloy Speed MTB Mountain & Commuting Bike Cycle (15 inch, Matt Grey) - Image 3](https://m.media-amazon.com/images/I/71X6NWfY0xL.jpg)
![Firefox Bikes Unisex Viper 26T 21 Aluminum-Alloy Speed MTB Mountain & Commuting Bike Cycle (15 inch, Matt Grey) - Image 4](https://m.media-amazon.com/images/I/713iEtGiZUL.jpg)

## Frequently Bought Together

- Firefox Bikes Unisex Viper 26T 21 Aluminum-Alloy Speed MTB Mountain & Commuting Bike Cycle (15 inch, Matt Grey)
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**Shop now:** [https://www.desertcart.hu/products/409860415-firefox-bikes-unisex-viper-26t-21-aluminum-alloy-speed-mtb](https://www.desertcart.hu/products/409860415-firefox-bikes-unisex-viper-26t-21-aluminum-alloy-speed-mtb)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-22*