---
product_id: 640890559
title: "Kids Bike Lightweight Magnesium Alloy, 14 16 18 Inch Children's Bicycle for Boys Girls Ages 3-9"
brand: "royalbaby"
price: "$1134.93"
currency: USD
in_stock: true
reviews_count: 13
category: "Royal Baby"
url: https://www.desertcart.us/products/640890559-kids-bike-lightweight-magnesium-alloy-14-16-18-inch-childrens
store_origin: US
region: United States of America
---

# Dual band brakes - superior stopping power Magnesium alloy frame - ultralight & durable 95% pre-assembled - effortless setup Kids Bike Lightweight Magnesium Alloy, 14 16 18 Inch Children's Bicycle for Boys Girls Ages 3-9

**Brand:** royalbaby
**Price:** $1134.93
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride Light, Ride Right — The Ultimate Kids’ Bike Upgrade!

## Quick Answers

- **What is this?** Kids Bike Lightweight Magnesium Alloy, 14 16 18 Inch Children's Bicycle for Boys Girls Ages 3-9 by royalbaby
- **How much does it cost?** $1134.93 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/640890559-kids-bike-lightweight-magnesium-alloy-14-16-18-inch-childrens)

## Best For

- royalbaby enthusiasts

## Why This Product

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

## Key Features

- • **Ready, Set, Ride!:** 95% pre-assembled with included tools and clear instructions—get your little rider rolling in no time.
- • **Growth-Ready Design:** Tool-free quick-adjust seat grows with your child, ensuring a perfect fit from toddler to tween.
- • **Safety First, Always:** Dual dependable band brakes foster early safe stopping habits and precise control for confident rides.
- • **Featherweight Powerhouse:** Magnesium alloy frame blends carbon fiber flexibility with aluminum lightness for unmatched strength and shock absorption.
- • **Globally Trusted Quality:** CPSC-compliant and loved by millions across 80+ countries, backed by lifetime frame warranty and stellar customer support.

## Overview

The RoyalBaby Kids Bike features a cutting-edge magnesium alloy frame that is both ultralight and durable, making it easier for children aged 3-9 to steer, balance, and build confidence. With 95% pre-assembly, dual band brakes for enhanced safety, and a tool-free adjustable seat, this bike grows with your child while meeting rigorous CPSC safety standards. Trusted worldwide and backed by a lifetime warranty, it’s the premium choice for young adventurers ready to go beyond the standard.

## Description

Product description Made for Adventure How to Select the Perfect Size For optimal safety and comfort, matching the bike to your child's height and inseam (crotch to floor measurement) is crucial. Please refer to the chart below How to Select the Perfect Size For optimal safety and comfort, matching the bike to your child's height and inseam (crotch to floor measurement) is crucial. Please refer to the chart below Ultralight & Strong Magnesium Frame Easier for kids to steer, lift, and balance, boosting confidence and speeding up learning. More durable and rust-resistant than ordinary bikes. Ultralight & Strong Magnesium Frame Easier for kids to steer, lift, and balance, boosting confidence and speeding up learning. More durable and rust-resistant than ordinary bikes. Quick-Adjust Seat Tool-free height adjustment grows with your child for a perfect fit and years of use. Quick-Adjust Seat Tool-free height adjustment grows with your child for a perfect fit and years of use. Dual Hand Brakes Promotes safe stopping habits and develops better control from the very first ride. Dual Hand Brakes Promotes safe stopping habits and develops better control from the very first ride. MORE CHOICES FROM ROYALBABY ASTRO Stargirl Freestyle Classic Freestyle Dual Handbrakes EZ Stargirl (Donut) EZ Terra Kids Helmet

Review: Quality and Safety - This bike is beautiful, the build and paint are high quality and the 14" fits the perfect size gap for our 3 year old. He feels comfortable and we feel he is safe, we love the disk breaks and how responsive they are to his little hands. Great buy.
Review: Worth it! - Great bike! Very good quality.

## Features

- 🏆 𝗚𝗼 𝗕𝗲𝘆𝗼𝗻𝗱 𝘁𝗵𝗲 𝗦𝘁?𝗻𝗱𝗮𝗿𝗱. Our RoyalMg series aims to push the boundaries to the next level. The Magnesium alloy frame is a combination of the flexible shape of carbon fiber and a weight reduction of aluminum, along with our reputable original parts, that's how we define our flagship series. While having the same structural strength and durability compared to a steel bike, RoyalMg technology optimized the weight and shock absorption.
- 🏆 𝗦𝘁𝘂𝗻𝗻𝗶𝗻𝗴𝗹𝘆 𝗖𝗼𝗻𝘀𝘁𝗿𝘂𝗰𝘁𝗶𝗼𝗻. Mg-Al alloy is the ultimate material for a high-end bike. The frame is built by integrated casting without solder joint any more. It ensures the long-term use of the bike as it is so easy to ride and highly adjustable. From a toddler to a teen, they can handle this bike easily. It will grow with your kids.
- 🏆 𝗣𝗿𝗲𝗺𝗶𝘂𝗺 𝗦𝗽𝗲𝗰𝘀. Being a RoyalBaby flagship bike, the SPACE series has all the premium parts a little rider will ever want on his bike. A Lightweight Mg-Aluminium alloy frame, sealed bearing, dual dependable band brakes, wide tires, all in one incredible bike.
- 🏆 𝗘𝗳𝗳𝗼𝗿𝘁𝗹𝗲𝘀𝘀 𝗔𝘀𝘀𝗲𝗺𝗯𝗹𝘆. Comes 95% professionally pre-assembled, with an elaborated instruction manual and complementary tools needed in the box.
- 🏆 𝗔𝗹𝘄𝗮𝘆𝘀 𝗥𝗲𝗹𝗶𝗮𝗯𝗹𝗲. RoyalBaby bike complies with the CPSC standards, and is trusted by millions of families in more than 80 countries globally. Got any questions? Our customer service is 100% satisfaction guaranteed.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D7ZZ3SSL |
| Additional Features | 95% Pre-Assembled, Dual band Brake, Freewheel, Lightweight, RoyalBaby Exclusive Premium Parts |
| Age Range (Description) | 5 - 9 Years |
| Age Range Description | 5 - 9 Years |
| Best Sellers Rank | #43,811 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #79 in Kids' Bicycles |
| Bicycle Drivetrain Type | Single Speed |
| Bicycle Gear Shifter Type | Twist Grip |
| Bike Type | Kids Bike |
| Brake Style | Band |
| Brand | RoyalBaby |
| Brand Name | RoyalBaby |
| Color | Red |
| Customer Reviews | 4.6 out of 5 stars 388 Reviews |
| Frame Material Type | Magnesium |
| Included Components | Bell, Bicycle, Kickstand, Reflectors, Tool Kit |
| Is Assembly Required | Yes |
| Item Type Name | Kids Bike |
| Item Weight | 23 Pounds |
| Manufacturer | RoyalBaby Cycle |
| Maximum Weight Recommendation | 150 Pounds |
| Minimum User Height | 46 Inches |
| Model Name | Magnesium |
| Model Number | RB18-35RH |
| Model Year | 2024 |
| Number Of Speeds | 1 |
| Number of Handles | 1 |
| Number of Speeds | 1 |
| Power Source | Pedal power |
| Seat Material | Polyurethane (PU) |
| Size | 18 Inch |
| Specific Uses For Product | Trail |
| Style Name | 18 Inch |
| Suspension Type | Rigid |
| Warranty Description | Lifetime warranty for frame and fork. Free replacement for easy-wearing parts within 6 months. |
| Warranty Type | Limited |
| Wheel Material | Alloy Steel |
| Wheel Size | 18 Inches |

## Product Details

- **Bike Type:** Kids Bike
- **Age Range (Description):** 5 - 9 Years
- **Brand:** RoyalBaby
- **Number of Speeds:** 1
- **Color:** Red
- **Wheel Size:** 18 Inches
- **Frame Material:** Magnesium
- **Suspension Type:** Rigid
- **Special Feature:** 95% Pre-Assembled, Dual band Brake, Freewheel, Lightweight, RoyalBaby Exclusive Premium Parts
- **Included Components:** Bell, Bicycle, Kickstand, Reflectors, Tool Kit

## Images

![Kids Bike Lightweight Magnesium Alloy, 14 16 18 Inch Children's Bicycle for Boys Girls Ages 3-9 - Image 1](https://m.media-amazon.com/images/I/71UVQQ-CnbL.jpg)

## Available Options

This product comes in different **Pattern, Color, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality and Safety
*by K***. on February 8, 2026*

This bike is beautiful, the build and paint are high quality and the 14" fits the perfect size gap for our 3 year old. He feels comfortable and we feel he is safe, we love the disk breaks and how responsive they are to his little hands. Great buy.

### ⭐⭐⭐⭐⭐ Worth it!
*by M***Y on May 8, 2026*

Great bike! Very good quality.

### ⭐⭐⭐⭐⭐ Smooth ride and my kid loves it
*by S***. on November 21, 2025*

I am really impressed with this bike. It was very easy to assemble and the adjustments were simple to make. The frame is lightweight and comfortable for my child to handle. The red color looks great in person and my kid loves everything about it. The hand brakes work smoothly and the little bell is a fun touch that my child keeps using. The ride itself is very smooth and feels well made. Overall, this has been a great purchase. My kid is excited to ride it every day and I have no complaints at all. 5 stars. If you want, I can also polish the title to match this exact tone.

## Frequently Bought Together

- Royalbaby Astro Kids Bike Lightweight Alloy Children Sport Bicycle 14/16/18 Inch Wheel for Boys Girls Ages 3+ Years
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-24*