---
product_id: 645849199
title: "Astro Kids Bike 14-18 Inch Magnesium Alloy Bicycle | Lightweight, for Age 4-9 Years, Dual Handbrakes"
brand: "royalbaby"
price: "$1147.96"
currency: USD
in_stock: true
category: "Royal Baby"
url: https://www.desertcart.us/products/645849199-astro-kids-bike-14-18-inch-magnesium-alloy-bicycle-lightweight
store_origin: US
region: United States of America
---

# Dual band brakes - reliable stopping power Magnesium alloy frame - ultra lightweight & durable 95% pre-assembled - effortless setup Astro Kids Bike 14-18 Inch Magnesium Alloy Bicycle | Lightweight, for Age 4-9 Years, Dual Handbrakes

**Brand:** royalbaby
**Price:** $1147.96
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride Royal, Ride Ready: The Future-Proof Kids’ Bike That Everyone’s Talking About!

## Quick Answers

- **What is this?** Astro Kids Bike 14-18 Inch Magnesium Alloy Bicycle | Lightweight, for Age 4-9 Years, Dual Handbrakes by royalbaby
- **How much does it cost?** $1147.96 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/645849199-astro-kids-bike-14-18-inch-magnesium-alloy-bicycle-lightweight)

## 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 to Roll:** 95% pre-assembled with included tools and clear instructions—get your kid biking faster, hassle-free.
- • **Grows with Your Kid:** Adjustable design fits ages 4-7, supporting your child’s cycling journey from toddler balance to confident cruising.
- • **Safety First, Always:** Dual dependable band brakes and CPSC compliance ensure confident control and peace of mind on every ride.
- • **Featherlight Strength:** Magnesium alloy frame blends carbon fiber flexibility with aluminum’s lightness for unmatched ride ease and durability.
- • **Premium Ride Experience:** Wide tires, sealed bearings, and exclusive RoyalBaby parts deliver smooth, stable rides that stand out in the neighborhood.

## Overview

The RoyalBaby Astro Kids Bike features a cutting-edge magnesium alloy frame that’s lightweight yet durable, designed to grow with children aged 4 to 7. With 95% pre-assembly, dual band brakes, and premium components like sealed bearings and wide tires, it offers a safe, smooth, and stylish ride. Trusted globally and backed by a lifetime frame warranty, this bike is engineered for effortless fun and lasting performance.

## Description

Why we recommend kids to develop cycling skills Riding a bicycle offers numerous advantages for children's physical, mental, and social development. - Physically, it strengthens muscles, improves coordination, and boosts cardiovascular health, laying a foundation for an active lifestyle. - Mentally, cycling fosters independence and confidence as children learn to navigate their environment, solve problems, and overcome challenges. It also serves as a joyful outlet for stress relief and creativity. - Socially, biking with friends or family encourages teamwork, communication, and shared adventures. Additionally, cycling promotes environmental awareness by introducing eco-friendly habits early on. Whether exploring neighborhoods or enjoying outdoor play, this simple activity nurtures resilience, curiosity, and a lifelong love for movement! Some activities that kids can participate in with bikes - Neighborhood Errands: Short trips to local parks, friends' houses, or nearby stores (with adult supervision). - Backyard Fun: Practicing skills like balancing, turning, or stopping in a safe home environment. - Park Adventures: Exploring trails, playgrounds, or open fields in urban or suburban parks. - Family Bike Trips/ Outings: Joining parents on bike rides for grocery shopping or café visits in bike-friendly areas, or weekend rides to beaches, forests, or campgrounds. - Bike Trails: Riding on dedicated cycling paths, nature trails, or boardwalks. - Group Rides: Participating in community "bike parades" or holiday-themed rides (e.g., Halloween costume rides). - Sports Preparation: Building stamina and reflexes for future sports like BMX, mountain biking, or cycling competitions. Safety Notes: Always ensure helmets, knee/elbow pads, and visibility gear (lights/reflectors) are used. Supervise young children and tailor bike size/type to their age and skill level (e.g., balance bikes for toddlers, geared bikes for teens). By covering these scenarios, bicycles become tools for fun, growth, and connection!

## 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 | B0D7ZYKPDG |
| Additional Features | 95% Pre-Assembled, Dual band Brake, Freewheel, Lightweight, RoyalBaby Exclusive Premium Parts |
| Age Range Description | 4 - 7 Years |
| Best Sellers Rank | #144,450 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #169 in Kids' Bicycles |
| Bicycle Drivetrain Type | chain drive |
| Bike Type | Kids Bike |
| Brake Style | Band |
| Brand Name | RoyalBaby |
| Color | Red |
| Customer Reviews | 4.5 4.5 out of 5 stars (208) |
| Frame Material Type | Magnesium |
| Included Components | Bell, Bicycle, Kickstand, Reflectors, Tool Kit |
| Item Type Name | Kids Bike |
| Item Weight | 21 pounds |
| Manufacturer | RoyalBaby Cycle |
| Maximum Weight Recommendation | 150 pounds |
| Minimum User Height | 44 inches |
| Model Name | Magnesium |
| Model Number | RB16-35RH |
| Model Year | 2024 |
| Number Of Speeds | 1 |
| Number of Handles | 1 |
| Power Source | Pedal power |
| Seat Material | Polyurethane (PU) |
| Size | 16 Inch |
| Specific Uses For Product | Recreational |
| Style Name | 16 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 | 16 inches |

## Product Details

- **Age Range (Description):** 4 - 7 Years
- **Bike Type:** Kids Bike
- **Brand:** RoyalBaby
- **Color:** Red
- **Frame Material:** Magnesium
- **Included Components:** Bell, Bicycle, Kickstand, Reflectors, Tool Kit
- **Number of Speeds:** 1
- **Special Feature:** 95% Pre-Assembled, Dual band Brake, Freewheel, Lightweight, RoyalBaby Exclusive Premium Parts
- **Suspension Type:** Rigid
- **Wheel Size:** 16 inches

## Images

![Astro Kids Bike 14-18 Inch Magnesium Alloy Bicycle | Lightweight, for Age 4-9 Years, Dual Handbrakes - Image 1](https://m.media-amazon.com/images/I/71OUGUlGZdL.jpg)

## Available Options

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

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-15*