---
product_id: 414211001
title: "Firefox Bikes Grunge-D , 27.5T Mtb Front Mountain Cycle I Frame Size: 17 Inches (Black) I First Free Service Available, Ideal For : Unisex Adult"
brand: "firefox"
price: "S$315"
currency: SGD
in_stock: false
reviews_count: 7
url: https://www.desertcart.sg/products/414211001-firefox-bikes-grunge-d-27-5t-mtb-front-mountain-cycle
store_origin: SG
region: Singapore
---

# 85% assembled Steel frame 27.5" wheels Firefox Bikes Grunge-D , 27.5T Mtb Front Mountain Cycle I Frame Size: 17 Inches (Black) I First Free Service Available, Ideal For : Unisex Adult

**Brand:** firefox
**Price:** S$315
**Availability:** ❌ Out of Stock

## Summary

> 🚵‍♀️ Ride the Grunge, Own the Trail!

## Quick Answers

- **What is this?** Firefox Bikes Grunge-D , 27.5T Mtb Front Mountain Cycle I Frame Size: 17 Inches (Black) I First Free Service Available, Ideal For : Unisex Adult by firefox
- **How much does it cost?** S$315 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/414211001-firefox-bikes-grunge-d-27-5t-mtb-front-mountain-cycle)

## 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

- • **Built for All:** Perfect for riders 5.5' to 5.10', this bike is designed for everyone.
- • **Easy Adjustments:** Quick-release seat for effortless height adjustments on the go.
- • **First Service Free:** Enjoy your ride worry-free with a complimentary first service!
- • **Safety Meets Style:** Mechanical disc brakes ensure powerful stopping, keeping you safe and stylish.
- • **Unleash Your Adventure:** Conquer trails with a robust 60mm front suspension for a smooth ride.

## Overview

The Firefox Bikes Grunge-D is a versatile mountain bike designed for unisex adults, featuring a sturdy steel frame, 27.5-inch wheels, and a 60mm front suspension. With mechanical disc brakes for reliable stopping power and a quick-release seat for easy adjustments, this bike is perfect for both trail and road adventures. Delivered 85% assembled, it includes a tool kit for easy setup and a complimentary first service to keep your ride in top shape.

## Description

Shop wide range of collection of bicycle from the house of Firefox Bikes on

## Features

- In-box Content : 1 Firefox Bikes Grunge, Pedal, Tool Kit (Allen Key & Spanner)
- The Firefox Grunge D is built on a MTB specific Steel frame which is Sturdy and durable. The frame offers good stability
- Steel hardtail MTB frame with Steel Front suspension of 60mm travel |The bike is equipped with Mechanical disc -Brake for Power Braking, Double wall rims for extra strength, Seat QR for easy saddle adjustment | Tire Size :27.5 inches| Frame Size : 17 inches | Ideal For :13+ Years| Min Rider Height : 5.5 feet | Max Rider Height : 5.10 feet | Front Brake : D-Brake| Rear Brake : D-Brake | Frame Material : Steel|Side Stand: Yes I Reflector: YES I Suspension :Front I Refer Installation video in Images as User Manual
- The cycle is delivered in Semi-Assembled condition (85% assembled). Refer to installation video in images to assemble to bike yourself or Add Cycle assembly for home installation while checkout. To know your nearest Firefox Dealer visit Firefox website
- First Free Service: Visit Firefox website to book your first free service online. The first free service includes bike tune up, Chain de grease & lubrication, Brake wire degrease and lubrication ,Air pressure checkup

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Bike Type | Mountain Bike |
| Age Range (Description) | Adult |
| Brand | FIREFOX |
| Number of Speeds | 1 |
| Colour | Black |
| Wheel Size | 27.5 Inches |
| Frame Material | Alloy Steel |
| Suspension Type | Front |
| Special Feature | Lightweight |
| Included Components | In-box Content : 1 Firefox Bikes Grunge, Pedal, Tool Kit (Allen Key & Muti Spanner). |
| Size | 27.5 |
| Brake Style | Disc |
| Specific Uses For Product | Trail, Road, Gravel |
| Item Weight | 18000 Grams |
| Style | 2021 Model |
| Model Name | Grunge D 27.5 |
| Model Year | 2021 |
| Frame material | Alloy Steel |
| Frame Size | 17 Inches |
| Handle Type | Mountain Bar |
| Length | 55.9 Inches |
| Material Type | Blend |
| Number of Items | 1 |
| Features | Lightweight |
| Manufacturer | Firefox Bikes Pvt Ltd |

## Images

![Firefox Bikes Grunge-D , 27.5T Mtb Front Mountain Cycle I Frame Size: 17 Inches (Black) I First Free Service Available, Ideal For : Unisex Adult - Image 1](https://m.media-amazon.com/images/I/71ZR3TMPJgL.jpg)
![Firefox Bikes Grunge-D , 27.5T Mtb Front Mountain Cycle I Frame Size: 17 Inches (Black) I First Free Service Available, Ideal For : Unisex Adult - Image 2](https://m.media-amazon.com/images/I/71smHUktEIL.jpg)
![Firefox Bikes Grunge-D , 27.5T Mtb Front Mountain Cycle I Frame Size: 17 Inches (Black) I First Free Service Available, Ideal For : Unisex Adult - Image 3](https://m.media-amazon.com/images/I/71ou6qo1FZL.jpg)
![Firefox Bikes Grunge-D , 27.5T Mtb Front Mountain Cycle I Frame Size: 17 Inches (Black) I First Free Service Available, Ideal For : Unisex Adult - Image 4](https://m.media-amazon.com/images/I/71cGaeqC5xL.jpg)
![Firefox Bikes Grunge-D , 27.5T Mtb Front Mountain Cycle I Frame Size: 17 Inches (Black) I First Free Service Available, Ideal For : Unisex Adult - Image 5](https://m.media-amazon.com/images/I/71Zai5UKx4L.jpg)

## Questions & Answers

**Q: Is it with gear or without gear ?**
A: This is without gear.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good
  

*by D***K on Reviewed in India on 9 May 2024*

Good buy. Great product. Easy to install

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    ONE SPARE OF FRONT WHEEL WAS NOT IN PACKAGE
  

*by A***E on Reviewed in India on 28 February 2024*

One spare named front wheel quick release sqewder was not in package so the technician not able to do the fitment job

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good product , serves my purpose.
  

*by J***D on Reviewed in India on 10 November 2023*

I have a battery bike but it needs good tyres, so got this bike to see how good the tyres and disc brakes work. Besides I have used a firefox cycle earlier.

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**Shop now:** [https://www.desertcart.sg/products/414211001-firefox-bikes-grunge-d-27-5t-mtb-front-mountain-cycle](https://www.desertcart.sg/products/414211001-firefox-bikes-grunge-d-27-5t-mtb-front-mountain-cycle)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-01*