---
product_id: 681764881
title: "2Pcs 12 Volt RS550 40000RPM Motor for Kids Electric Ride On Car Upgrade,High Speed Ride On Motor Gearbox Accessories for 12V Electric Motor Bike Replacement Parts"
brand: "polynx"
price: "$58.06"
currency: USD
in_stock: true
reviews_count: 5
category: "Polynx"
url: https://www.desertcart.us/products/681764881-2pcs-12-volt-rs550-40000rpm-motor-for-kids-electric-ride
store_origin: US
region: United States of America
---

# 12V high voltage power 40,000 RPM ultra-fast speed 7 gear specs for perfect fit 2Pcs 12 Volt RS550 40000RPM Motor for Kids Electric Ride On Car Upgrade,High Speed Ride On Motor Gearbox Accessories for 12V Electric Motor Bike Replacement Parts

**Brand:** polynx
**Price:** $58.06
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your ride, outrun the ordinary!

## Quick Answers

- **What is this?** 2Pcs 12 Volt RS550 40000RPM Motor for Kids Electric Ride On Car Upgrade,High Speed Ride On Motor Gearbox Accessories for 12V Electric Motor Bike Replacement Parts by polynx
- **How much does it cost?** $58.06 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/681764881-2pcs-12-volt-rs550-40000rpm-motor-for-kids-electric-ride)

## Best For

- polynx enthusiasts

## Why This Product

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

## Key Features

- • **Premium Metal Copper Coil:** Durable, heat-resistant design keeps your motor cool and efficient.
- • **Optimized for 12V Ride-Ons:** Specifically engineered to maximize performance on kids’ electric vehicles.
- • **Universal Gear Compatibility:** 7 different gear teeth sizes ensure seamless upgrades without guesswork.
- • **Turbocharged 40,000 RPM Speed:** Unleash lightning-fast rides with motors built for adrenaline.
- • **Dual Motor Pack with Accessories:** Two motors plus 5 gear options and cables for a complete power upgrade.

## Overview

This 2-piece set of 12V RS550 motors delivers a blistering 40,000 RPM speed, engineered with premium metal copper coils and an integrated cooling fan to prevent overheating. Featuring 7 gear tooth options, it guarantees compatibility with a wide range of kids’ electric ride-on cars. Designed for high power output, these motors come with cables and accessories for a straightforward upgrade, perfect for millennial parents seeking a high-performance, reliable replacement part that transforms their child’s ride into a speed machine.

## Description

Product description Product description Rated Voltage: 12V Speed: 40000RPM Material: Metal Net Weight: 446g Note: 1.This is a high-speed motor. The power is relatively large and the current is very high. Before you change, please ensure that your car can withstand, otherwise it is easy to burn. 2. 5 kinds of motor gears of different specifications are presented, please choose the same gear as the original motor gear. 3. There are 2 motors and 5 different gears in one box. 4.Free 2 cables for your convenience. 5.When you decide which tooth to use, you can use a hammer to attach the tooth to the motor, just as the picture describes. Safety Warning Please use the 12V battery correctly

Review: 2 Tage nach Gebrauch schon lagerschaden bitte um Rückmeldung
Review: Fonctionne parfaitement facile de montage

## Features

- 2 Pcs 12V RS550 40000RPM Electric Motor Drive Engine For Power Wheel Motor Upgrade
- High Speed Motor Gearbox Accessories for Power Wheels Children Ride On Car Replacement Parts
- Contains 7 different specifications of teeth, can be widely used in various types of motor gearboxes, do not worry about the different gears and can not be installed.（Including 8 teeth, 9 teeth, 10 teeth, 12 teeth, 16 teeth）
- Please compare the teeth on the original motor and select the same size teeth to install on the motor
- Using metal copper coil, the quality is better. With cooling fan, effectively reduce heat.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DJVZR4LZ |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 151,776 in Toys & Games ( See Top 100 in Toys & Games ) 47 in Kids' Ride-On Toy Replacement Parts |
| Customer Reviews | 3.2 3.2 out of 5 stars (7) |
| Date First Available | 11 Oct. 2024 |
| Horsepower | 45 Watts |
| Included components | motor |
| Item Weight | 520 g |
| Item model number | RS550 |
| Manufacturer | POLYNX |
| Material | Metal |
| Part number | RS550 |
| Product Dimensions | 8.51 x 3.81 x 3.81 cm; 520 g |
| Speed | 40000 RPM |
| Voltage | 12 Volts |

## Product Details

- **Brand:** POLYNX
- **Horsepower:** 45 Watts
- **Material:** Metal
- **Speed:** 40000 RPM
- **Voltage:** 12 Volts

## Images

![2Pcs 12 Volt RS550 40000RPM Motor for Kids Electric Ride On Car Upgrade,High Speed Ride On Motor Gearbox Accessories for 12V Electric Motor Bike Replacement Parts - Image 1](https://m.media-amazon.com/images/I/61oO8yTcRrL.jpg)
![2Pcs 12 Volt RS550 40000RPM Motor for Kids Electric Ride On Car Upgrade,High Speed Ride On Motor Gearbox Accessories for 12V Electric Motor Bike Replacement Parts - Image 2](https://m.media-amazon.com/images/I/61pF8aAJmqL.jpg)
![2Pcs 12 Volt RS550 40000RPM Motor for Kids Electric Ride On Car Upgrade,High Speed Ride On Motor Gearbox Accessories for 12V Electric Motor Bike Replacement Parts - Image 3](https://m.media-amazon.com/images/I/51qrR1bsT0L.jpg)
![2Pcs 12 Volt RS550 40000RPM Motor for Kids Electric Ride On Car Upgrade,High Speed Ride On Motor Gearbox Accessories for 12V Electric Motor Bike Replacement Parts - Image 4](https://m.media-amazon.com/images/I/51gAnPd4VsL.jpg)
![2Pcs 12 Volt RS550 40000RPM Motor for Kids Electric Ride On Car Upgrade,High Speed Ride On Motor Gearbox Accessories for 12V Electric Motor Bike Replacement Parts - Image 5](https://m.media-amazon.com/images/I/61OzkbdoGyL.jpg)

## Customer Reviews

### ⭐ Review
*by T***A on 6 March 2026*

2 Tage nach Gebrauch schon lagerschaden bitte um Rückmeldung

### ⭐⭐⭐⭐⭐ Review
*by C***N on 8 January 2026*

Fonctionne parfaitement facile de montage

### ⭐ Review
*by K***E on 8 February 2026*

Pas du tout adapté pour quad ou buggy électrique. Aucune puissance.pas assez puissant il faut au moins 135 watt on en est loin avec ce moteur

## Frequently Bought Together

- 2Pcs 12 Volt RS550 40000RPM Motor for Kids Electric Ride On Car Upgrade,High Speed Motor Gearbox Accessories for 12V Electric Motor Bike Replacement Parts
- RioRand 7-70V PWM DC Motor Speed Controller Switch 30A
- 24 Volt Children Electric Car DIY Modified Wires and Switch Kit,with Remote Control, Self-Made 24V Baby Electric Ride On Car Accessories

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/681764881-2pcs-12-volt-rs550-40000rpm-motor-for-kids-electric-ride](https://www.desertcart.us/products/681764881-2pcs-12-volt-rs550-40000rpm-motor-for-kids-electric-ride)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-17*