1. Sarrera eta Overview
This manual provides detailed instructions for the installation, operation, and maintenance of your INJORA Extended 4mm CNC Aluminum Front Axle. This high-quality upgrade component is specifically designed for 1/18 scale TRX4M Defender, Bronco, and K10 High Trail RC crawlers, enhancing their stability and climbing performance.
The axle features precision CNC machining and a durable black anodized finish, ensuring both performance and longevity for your RC vehicle.
2. Produktuaren ezaugarriak
- Kalitate handiko eraikuntza: CNC machined aluminum with a black anodized finish for excellent durability and precision.
- Extended Design: +4mm extension on each side, resulting in an 8mm increase in total width for improved stability and enhanced climbing capabilities.
- Osagai integratuak: Includes hardened CVD shafts, 12/24T steel gears, and 5mm (+1mm) brass hexes with wheel nuts.
- Aurrez muntatuta: Designed for simpler installation, arriving pre-assembled with all necessary hardware.
- Bateragarritasuna: Specifically engineered for TRX4M Defender, Bronco, and K10 High Trail 1/18 RC Crawlers.
3. Paketearen edukia
Mesedez, egiaztatu elementu guztiak daudela eta egoera onean daudela paketea irekitzean:
- One (1) INJORA Extended 4mm CNC Aluminum Front Axle (Pre-assembled)
- Hardened CVD shafts (pre-installed)
- 12/24T steel gears (pre-installed)
- 5mm (+1mm) brass hexes
- Gurpileko azkoinak
- Assorted mounting hardware (screws, washers, etc.)
4. Konfigurazioa eta instalazioa
4.1 Segurtasun-neurriak
- Always disconnect the battery from your RC vehicle before performing any maintenance or installation.
- Use appropriate tools to avoid damaging components.
- Mantendu pieza txikiak haurrengandik urrun.
4.2 Beharrezko tresnak (ez daude barne)
- Phillips buruko bihurkin txikia
- Hex wrenches (various sizes, typically 1.5mm, 2.0mm)
- Aliketak (aukerakoa)
4.3 Instalazio-urratsak
- Ibilgailua prestatu: Place your TRX4M RC crawler on a stable surface. Disconnect the battery.
- Remove Original Axle: Carefully unbolt and remove the existing front axle assembly from your TRX4M chassis. Disconnect the steering links, drive shaft, and any other attached components.
- Unpack New Axle: Remove the INJORA Extended 4mm CNC Aluminum Front Axle from its packaging.
- Mount New Axle: Position the new axle onto the TRX4M chassis. Secure it using the provided mounting hardware. Ensure all screws are tightened appropriately, but do not overtighten.
- Konektatu osagaiak: Reconnect the drive shaft to the new axle. Attach your compatible steering links to the axle's steering knuckles.
- Bateragarritasunari buruzko ohar garrantzitsua: Due to the extended design of this axle, it is ez bateragarriak with the original TRX4M steering links and dogbone shafts. Ensure you are using compatible aftermarket steering links and drive shafts.
- Instalatu Gurpilak: Attach your wheels using the provided brass hexes and wheel nuts.
- Azken egiaztapena: Verify that all connections are secure and that the steering and suspension move freely without binding.

1. irudia: Amaituview of the INJORA Extended 4mm CNC Aluminum Front Axle.

Image 2: The extended front axle installed on a 1/18 scale TRX4M RC crawler, showcasing bere integrazioa.
5. Funtzionamendu-argibideak
Once the INJORA Extended 4mm CNC Aluminum Front Axle is correctly installed, operate your TRX4M RC crawler as you normally would. The extended width provided by this axle will contribute to improved stability, especially during side-hilling and aggressive climbing maneuvers. You may notice enhanced control and a more planted feel during operation.
6. Mantentzea
Regular maintenance will ensure the longevity and optimal performance of your INJORA axle:
- Ikuskapena: Periodically inspect the axle for any signs of wear, damage, or loose components. Check the CVD shafts, gears, and bearings.
- Garbiketa: Keep the axle assembly clean from dirt, dust, and debris, especially after off-road use. A soft brush and compressed air can be effective.
- Loturaren egiaztapena: Regularly check all screws and fasteners for tightness. Vibrations during operation can cause them to loosen over time.
- Lubrifikazioa: Apply a small amount of appropriate RC-specific grease to the gears and moving parts as needed to reduce friction and wear.

Image 3: Close-up of the axle showing the bearing and hex, critical areas for inspection and lubrication.

4 irudia: Xehetasun zehatza view of the CVD joint, which should be regularly checked for smooth operation and wear.
7. Arazoak
| Gaia | Kausa posiblea | Irtenbidea |
|---|---|---|
| Axle not fitting correctly or binding | Incompatible steering links or drive shafts; incorrect installation. | Ensure you are using aftermarket steering links and drive shafts compatible with extended axles. Recheck all mounting points and ensure no components are obstructing movement. |
| Excessive play or noise from axle | Loose fasteners; worn gears or bearings; lack of lubrication. | Tighten all screws and fasteners. Inspect gears and bearings for wear and replace if necessary. Apply appropriate RC lubricant to gears and moving parts. |
| Reduced performance or sluggish movement | Debris in axle housing; worn components. | Clean the axle assembly thoroughly. Inspect for worn parts and replace as needed. |
8. Zehaztapenak
- Modelo zenbakia: 4M-61FR-1
- Materiala: CNC mekanizatutako aluminioa
- Kolorea: Anodizatu beltza
- Axle Extension: +4mm per side (8mm total width increase)
- Dakarten osagaiak: Hardened CVD shafts, 12/24T steel gears (12/24T), 5mm (+1mm) brass hexes, wheel nuts
- Bateragarritasuna: TRX4M Defender, Bronco, K10 High Trail 1/18 RC Crawler
- Produktuaren neurriak (L x W x H): 13 x 8 x 4 cm
- Produktuaren pisua: 45 gramo

5. irudia: Goian view of the extended front axle, highlighting its overall structure and design.

6. irudia: Aurrealdea view of the extended front axle, showing the differential housing and mounting points.
9. Bermea eta Laguntza
For information regarding product warranty, returns, or technical assistance, please refer to the INJORA official website or contact the retailer from whom you purchased this product. Please have your product model number (4M-61FR-1) and proof of purchase ready when contacting support.