--- product_id: 96845839 title: "RS390 18000RPM Kids Ride-Ons Gearbox with DC Motor, 390 6V Motor with Gear Box for Accessories Children Electric Ride On Car and Motorcycle Replacement Parts" brand: "weelye" price: "¥5805" currency: JPY in_stock: true reviews_count: 10 url: https://www.desertcart.jp/products/96845839-rs390-18000rpm-kids-ride-ons-gearbox-with-dc-motor-390 store_origin: JP region: Japan --- # 6V power optimized for kids' ride-ons Quick-change wire connectors, no soldering 18000 RPM high-speed motor RS390 18000RPM Kids Ride-Ons Gearbox with DC Motor, 390 6V Motor with Gear Box for Accessories Children Electric Ride On Car and Motorcycle Replacement Parts **Brand:** weelye **Price:** ¥5805 **Availability:** ✅ In Stock ## Summary > ⚡ Power up playtime with the RS390 — where speed meets effortless upgrade! ## Quick Answers - **What is this?** RS390 18000RPM Kids Ride-Ons Gearbox with DC Motor, 390 6V Motor with Gear Box for Accessories Children Electric Ride On Car and Motorcycle Replacement Parts by weelye - **How much does it cost?** ¥5805 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/96845839-rs390-18000rpm-kids-ride-ons-gearbox-with-dc-motor-390) ## Best For - weelye enthusiasts ## Why This Product - Trusted weelye brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Installation:** No soldering needed—swap parts in seconds and get back to fun. - • **Turbocharged 18000 RPM Motor:** Unleash lightning-fast rides with precision power. - • **Lightweight Yet Robust Design:** Supports up to 50 lbs without slowing down the thrill. - • **Durable High-Strength Plastic Gearbox:** Engineered to withstand the wildest adventures. - • **Perfect Fit for Kids’ Electric Ride-Ons:** Seamless compatibility ensures smooth performance every time. ## Overview The RS390 18000RPM 6V DC motor with gearbox is a high-performance replacement part designed specifically for children’s electric ride-on cars and motorcycles. Featuring a durable plastic gearbox and quick-change wire connectors, it offers fast, solder-free installation and reliable power delivery. Compatible with a range of kids’ ride-on toys, it supports up to 50 pounds and ensures smooth, high-speed operation for ages 1 to 12 years. ## Description Specifications: - Brand: WEELYE - Model Number: 390 6V 18000RPM - Voltage: 6V - Manufacturer: WEELYE Moto. ## Features - 6V390-18000 drive engine consists of a high-strength plastic plate and a high-quality motor - Please note whether the plum on the gearbox matches your child's electric car. - Product is Applied to Specific Children Riding Toys Please Make Sure the Purchased Part Has Same Appearance as the Original One - Quick-change wire connectors that require no soldering to install and allow fast install/removal of gearcases! - Please check if your car is working properly. (Whether the battery is damaged, the battery cable is connected.) ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07GDFFXN8 | | Best Sellers Rank | #154,271 in Toys & Games (See Top 100 in Toys & Games) #329 in Kids' Ride-On Replacement Parts | | Brand Name | weelye | | Customer Reviews | 4.3 4.3 out of 5 stars (140) 4.3 out of 5 stars | | Item Dimensions | 6.89 x 3 x 4.33 inches | | Item Weight | 9.9 ounces | | Manufacturer | Weelye | | Manufacturer Part Number | WEIXU | | Manufacturer Recommended Age | 12 months - 12 years | | Material Type | Plastic | | Model Number | WEIXU | | Number Of Items | 1 | | Number Of Packs | 1 | | Set Name | RS390 18000RPM | | Size | Large | | Sub Brand | ride on car | | Theme | Vehicles | | Unit Count | 1 Count | | Weight Capacity Maximum | 50 pounds | ## Images ![RS390 18000RPM Kids Ride-Ons Gearbox with DC Motor, 390 6V Motor with Gear Box for Accessories Children Electric Ride On Car and Motorcycle Replacement Parts - Image 1](https://m.media-amazon.com/images/I/51NXctYNNCL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ It did what I needed it too! *by on Reviewed in the United States August 21, 2025* Works great! Fits perfectly! ### ⭐⭐⭐⭐⭐ Que funciona bien *by on Reviewed in the United States May 9, 2026* Bien ### ⭐⭐⭐⭐⭐ Freaking awesome.. Watch the video *by on Reviewed in the United States June 9, 2022* This was a 6v one wheel pull ride on.. I put 2 of these on it as just one tends to not give you a straight launch.. in the video I have a 20v Dewalt battery on it.. the conversion on the axle isn’t to hard if you’re handy.. and it will carry my 7 year old just as fast and pop awesome wheelies.. --- ## 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.jp/products/96845839-rs390-18000rpm-kids-ride-ons-gearbox-with-dc-motor-390](https://www.desertcart.jp/products/96845839-rs390-18000rpm-kids-ride-ons-gearbox-with-dc-motor-390) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-28*