--- product_id: 548107639 title: "INJORA 40.3:1 Stainless Steel Transmission Gear Set for TRX4M" brand: "injora" price: "FREE" currency: JPY in_stock: false category: "Injora" url: https://www.desertcart.jp/products/548107639-injora-40-3-1-stainless-steel-transmission-gear-set-trx4m store_origin: JP region: Japan --- # CNC machined stainless steel 40.3:1 ultra-low gear ratio Rust & wear resistant durability INJORA 40.3:1 Stainless Steel Transmission Gear Set for TRX4M **Brand:** injora **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > ⚙️ Elevate your RC game with unstoppable torque and precision engineering! ## Quick Answers - **What is this?** INJORA 40.3:1 Stainless Steel Transmission Gear Set for TRX4M by injora - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/548107639-injora-40-3-1-stainless-steel-transmission-gear-set-trx4m) ## Best For - injora enthusiasts ## Why This Product - Trusted injora brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision CNC Machined:** Experience flawless gear meshing and enhanced strength thanks to premium CNC machining. - • **Rock-Climbing Powerhouse:** Unleash unstoppable torque with the ultra-low 40.3:1 reduction ratio, perfect for conquering the toughest trails. - • **Complete Gear Set Included:** All transmission gears plus an 11-tooth motor pinion—everything you need for a seamless TRX4M upgrade. - • **Effortless Upgrade for TRX4M:** Designed specifically for Defender, Bronco, K10 High Trail, and F150 1/18 crawlers—no assembly hassle, just pure performance. - • **Rust-Resistant Stainless Steel:** Built to last with corrosion-resistant materials that keep your transmission running smooth season after season. ## Overview The INJORA 40.3:1 Stainless Steel Transmission Gear Set is a premium upgrade for TRX4M 1/18 scale crawler vehicles, featuring CNC machined stainless steel gears for superior strength and rust resistance. With an ultra-low 40.3:1 gear ratio, it delivers maximum torque and rock-climbing capability. This complete set includes all necessary transmission gears and an 11-tooth motor pinion, designed for easy installation and long-lasting performance. ## Description Buy INJORA 40.3:1 Stainless Steel Transmission Gear Set for TRX4M online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. ## Features - CNC machined, durable and greater strength, long service life. - Stainless steel materials, with excellent rust resistant,enhance wear resistance. - Includes all transmission gears and a 11-tooth motor pinion. - Ultra-low 40.3:1 reduction ratio for maximum rock-climbing power and unstoppable torque. - Low range transmission gear set for TRX4M Defender, Bronco, K10 High Trail, F150 1/18 crawler car upgrade. - Note: Don't forget to grease the gears!!! - AGE RECOMMENDATION: Not for children under 14 years. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C1CTWH9X | | Age Range Description | Unisex Adult | | Best Sellers Rank | #181,807 in Toys ( See Top 100 in Toys ) #37 in RC Vehicle Transmission Gears | | Brand Name | INJORA | | Color | Silver | | Customer Reviews | 4.8 4.8 out of 5 stars (694) | | Educational Objective | Develop problem-solving skills through convenient assembly and operation of mechanical systems. | | Included Components | Gear | | Indoor Outdoor Usage | Outdoor | | Is Assembly Required | No | | Item Dimensions | 10 x 7 x 2 centimeters | | Item Type Name | RC Gear | | Manufacturer | INJORA | | Manufacturer Part Number | 4M-36 | | Manufacturer recommended age | 14 - 14 years | | Material Type | Stainless Steel | | Model Number | 4M-36 | | Number of Packs | 1 | | Number of Players | 1 | | Operation Mode | Automatic | | Power Source | Battery | | Set Name | 1 Set | | Size | 40.3:1 | | Subject Character | RC Gear | | Supported Battery Types | No batteries required | | Theme | RC | ## Images ![INJORA 40.3:1 Stainless Steel Transmission Gear Set for TRX4M - Image 1](https://m.media-amazon.com/images/I/51kWABhvhtL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - INJORA 15g Stainless Steel 40.3:1 Low Range Transmission Gear Set for TRX4M 1/18 RC Crawler Car Upgrade - INJORA Steel Sealed Bearing Kit for TRX4M 1/18 RC Crawler Upgrade Parts, 22PCS - INJORA Drive Shaft Steel Black Front Rear Center Shaft with D Shaped Hole for TRX4M Defender Bronco 1/18 RC Crawler Upgrade, 22g/Set --- ## 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/548107639-injora-40-3-1-stainless-steel-transmission-gear-set-trx4m](https://www.desertcart.jp/products/548107639-injora-40-3-1-stainless-steel-transmission-gear-set-trx4m) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-23*