---
product_id: 551108212
title: "20 Inch Adult Folding Bikes, High Carbon Steel T Folding Bike with 7-Speed Gears, Dual Disc Brakes, and Front and Rear Fenders, Adjustable Height, Commuter Bicycle"
brand: "gnjinx"
price: "₱20084"
currency: PHP
in_stock: false
reviews_count: 1
url: https://www.desertcart.ph/products/551108212-20-inch-adult-folding-bikes-high-carbon-steel-t-folding
store_origin: PH
region: Philippines
---

# adjustable height 7-speed gears dual disc brakes 20 Inch Adult Folding Bikes, High Carbon Steel T Folding Bike with 7-Speed Gears, Dual Disc Brakes, and Front and Rear Fenders, Adjustable Height, Commuter Bicycle

**Brand:** gnjinx
**Price:** ₱20084
**Availability:** ❌ Out of Stock

## Summary

> 🚴‍♂️ Ride the Future: Where Comfort Meets Convenience!

## Quick Answers

- **What is this?** 20 Inch Adult Folding Bikes, High Carbon Steel T Folding Bike with 7-Speed Gears, Dual Disc Brakes, and Front and Rear Fenders, Adjustable Height, Commuter Bicycle by gnjinx
- **How much does it cost?** ₱20084 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/551108212-20-inch-adult-folding-bikes-high-carbon-steel-t-folding)

## Best For

- gnjinx enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Dual disc brakes ensure reliable stopping power.
- • **Tailored Fit:** Adjustable height for riders of all sizes.
- • **Comfort on the Go:** Breathable PU foam seat for fatigue-free rides.
- • **Smooth Transitions:** Effortlessly switch between 7 gears for any terrain.
- • **Compact Convenience:** Folds easily for storage in tight spaces.

## Overview

The GNJINX 20 Inch Adult Folding Bike combines high carbon steel durability with a versatile 7-speed gear system, ensuring a smooth and comfortable ride. Its foldable design makes it perfect for urban commuting, while dual disc brakes provide safety and control. With adjustable height features, this bike caters to riders of all sizes, making it an ideal choice for the modern professional.

## Description

ApplicationIt is suitable for traveling, exercising, commuting, and crossing the country on gravel roads, highways, and sand roads. It is suitable for people who weigh no more than 176 lbs and are taller than 59 inches to ride.How to Fold1. Lower the seat lever.2. Fold the handlebar lever.3. Open the quick release buckle.4. Fold the body.Specification Frame Material: High Carbon SteelSeat Material: PU, PU FoamMaterial of Handlebar Rod&Seat Rod: IronHandlebar Material: High Carbon SteelHandlebar Cover Material: RubberColor: White, BlackFrame Features: Straight RodSurface Treatment: Three Layers of Electrostatic SprayingNumber of Speeds: 7Special Feature: FoldableAge Range (Description): Adult, TeenagerLoad-bearing Capacity: 80kg/176lbsRecommended User Height: Above 150cm/59inchSuspension Type: Dual Disc BrakesTotal Length: 150cm/59inchSeat Distance From the Ground: 65-83cm/25.6-32.7inchHandlebar Distance From the Ground: 95-108cm/37.4-42.5inchTire Diameter: 50.8cm/20inHandlebar Grip Distance: 16cm/6.3inchRear Shelf Size: 34x14cm/13.4x5.5inchSeat Size: 24x20cm/9.4x7.9inchPedal Size: 10x7cm/4x2.8inchLength (After Folding): 83cm/32.7inchWide (After Folding): 34cm/13.4inchPackage Size: 87x40x65cm/34.3x15.7x25.6inchGross Weight: 17.45kg/38.5lbsNet Weight: 14.15kg/31.2lbsPackage Included1x20-inch Folding BikeOther Tools for Installation

## Features

- 【Smooth Ride】The 7-gear transmission allows you to select the right speed according to the road conditions and your physical strength by turning the handle, making the ride more effortless. 7 levels of flywheel positioning teeth enable flexible gear changes and are less likely to drop the chain.
- 【Comfortable Ride】he frame is made of high carbon steel with three layers of electrostatic spraying process, The low-span body makes it easy to get on the bike. The PU foam cushion is breathable and soft to relieve riding fatigue and provide a comfortable riding experience.
- 【Foldable Design】The quick-release buckle allows you to achieve easy folding and storage without taking up too much space. You can easily store it in the trunk, apartment, or subway for a free ride anywhere.
- 【Safe Riding】Front and rear disc brakes provide stable speed control on downhill grades, promoting consistent and responsive braking action for your safety. The reflective strip of the pedal and rear reflective light allow you to ride with peace of mind even in the dark.
- 【Adjustable Height】Adjustable seat height (25.6-32.7inch) and elevable handlebars (37.4-42.5inch) easily accommodate people of different heights or different riding habits.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Bike Type | Road Bike, Folding Bike, Commuting Bike |
| Age Range (Description) | Adult |
| Brand | GNJINX |
| Number of Speeds | 7 |
| Color | Style2 |
| Wheel Size | 20 Inches |
| Frame Material | Carbon Steel |
| Suspension Type | Rear, Front |
| Special Feature | Foldable |
| Included Components | Bicycle Pump |
| Size | 20Inch |
| Brake Style | Disc |
| Specific Uses For Product | Road, Gravel, Highway |
| Item Weight | 14.15 Kilograms |
| Style | Commuter |
| Power Source | manual winding |
| Seat Material Type | Polyurethane (PU) |
| Maximum Weight Recommendation | 176 Pounds |
| Bicycle Gear Shifter Type | Trigger |
| Is Autographed | No |
| Seatpost Travel Distance Maximum | 7.1 Inches |
| Skill Level | Beginner |
| Manufacturer | GNJINX |
| Brand Name | GNJINX |
| Material | PU, PU Foam |

## Images

![20 Inch Adult Folding Bikes, High Carbon Steel T Folding Bike with 7-Speed Gears, Dual Disc Brakes, and Front and Rear Fenders, Adjustable Height, Commuter Bicycle - Image 1](https://m.media-amazon.com/images/I/7162bCiNWCL.jpg)
![20 Inch Adult Folding Bikes, High Carbon Steel T Folding Bike with 7-Speed Gears, Dual Disc Brakes, and Front and Rear Fenders, Adjustable Height, Commuter Bicycle - Image 2](https://m.media-amazon.com/images/I/71TXmlf8i8L.jpg)
![20 Inch Adult Folding Bikes, High Carbon Steel T Folding Bike with 7-Speed Gears, Dual Disc Brakes, and Front and Rear Fenders, Adjustable Height, Commuter Bicycle - Image 3](https://m.media-amazon.com/images/I/71owcSyAY4L.jpg)
![20 Inch Adult Folding Bikes, High Carbon Steel T Folding Bike with 7-Speed Gears, Dual Disc Brakes, and Front and Rear Fenders, Adjustable Height, Commuter Bicycle - Image 4](https://m.media-amazon.com/images/I/813M0Q5iS8L.jpg)
![20 Inch Adult Folding Bikes, High Carbon Steel T Folding Bike with 7-Speed Gears, Dual Disc Brakes, and Front and Rear Fenders, Adjustable Height, Commuter Bicycle - Image 5](https://m.media-amazon.com/images/I/7157w2B6xOL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Perfect Commuter Bike!
  

*by C***N on Reviewed in the United States on July 30, 2024*

The 7-speed gears make navigating hills a breeze, and the dual disc brakes provide reliable stopping power.This bike is perfect for city commuting and quick errands. Highly recommend to anyone looking for a reliable and convenient folding bike!

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**Shop now:** [https://www.desertcart.ph/products/551108212-20-inch-adult-folding-bikes-high-carbon-steel-t-folding](https://www.desertcart.ph/products/551108212-20-inch-adult-folding-bikes-high-carbon-steel-t-folding)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-01-22*