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Description
gear stock MEUS Racing TRX4M Steel Overdrive Underdrive Transmission Gear Set for 1/18 TRX4M Bronco DefenderMeus Racing Steel Overdrive Underdrive Transmission Gear Set Upgrade Parts for TRX 4M TRX4M Bronco Defender 1 18 RC Crawler Car. Key Features: 1. Made of high quality steel to increase wear resistance and extend service life; 2. Precision CNC machined steel structure, stable and durable; 3. Perfectly match the original gearbox, easy to install; 4. Motor Gear: 11T 5. Suitable for 1 18 RC Crawler Car TRX 4M RC crawler. 6. The overdrive and underdrive
Meus Racing Steel Overdrive Underdrive Transmission Gear Set Upgrade Parts for TRX-4M TRX4M Bronco Defender 1/18 RC Crawler Car.
Key Features:
- 1. Made of high-quality steel to increase wear resistance and extend service life;
- 2. Precision CNC-machined steel structure, stable and durable;
- 3. Perfectly match the original gearbox, easy to install;
- 4. Motor Gear: 11T
- 5. Suitable for 1/18 RC Crawler Car TRX-4M RC crawler.
- 6. The overdrive and underdrive gears are suitable for the stock gearbox.
5 reduction ratios for you to choose from:
- 16.61:1 Gear Set: As a stock, do not change speed;
- 9.69:1 Overdrive Gear Set: Increase speed approx 71%;
- 13.17:1 Overdrive Gear Set: Increase speed approx 26%;
- 25.87:1 Underdrive Gear Set: Decrease speed approx 36%;
- 40.3:1 Underdrive Gear Set: Decrease speed approx 59%.
Specifications:
- 16.61:1 gear: 40T/18T, 37T/18T, 40T, 11T
- 9.69:1 (Overdrive 71%) gears: 37T/22T, 36T/21T, 37T, 11T
- 13.17:1 (Overdrive 26%) gears: 37T/18T, 40T/21T, 37T, 11T
- 25.87:1 (Underdrive 36%) gears: 45T/18T, 37T/13T, 40T, 11T
- 40.3:1 (Underdrive 59%) gears: 45T/13T, 37T/13T, 45T, 11T
Package includes:
- 1set × Transmission gears for TRX4M;
- 6pcs × Steel bearing(size 3×6× 2.5mm);
- 2pcs × Steel pins(size: 3×16mm).
Note: These gear sets don't work with the MEUS 2-speed transmission for TRX4M
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 1626 reviews
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Product Reviews
★★★★★ 4
Great Size and Comfort
Size: Extra Back Support (21-Inch), Color: Dark Grey
2 months after buying a different reading pillow I felt it was time to buy a different one based on the comfort and support. I found this one listed for a good price. After carefully looking through the listing, I bought the 21" size. On my first night of usage, I was already impressed with the comfort and support vs the reading pillow I had bought 2 months prior. I like how this one has nice support for my neck and head as I'm relaxing on my bed with my laptop and phone. The texture of the filling gives it a very nice combination of cushioning and firmness. The horizontal feature line in the center of the pillow is a nice feature for back and neck support thanks to it giving the pillow some flexibility. As for the arms, their length, width, height, and cushioning are very good for resting my arm while I'm using the wireless mouse with my laptop.
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Reviewed in the United States on February 27, 2026
★★★★★ 5
Book Reading Wife Approved
Size: Standard (18-Inch), Color: Sage Green
I purchased this for my wife who reads quite a bit and she absolutely loves it. She said it feels soft, is the right size for her, and makes book reading more comfortable for her. I call it a win.
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Reviewed in the United States on April 23, 2026
★★★★★ 3
Not good quality
Size: Standard (18-Inch), Color: Dark Grey
Comfy, however it’s getting flat an only had it a week
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Love this ❤️❤️
Size: Standard (18-Inch), Color: Rose Pink
Love love super comfy soft yet firm
Great quality good value the material is sturdy
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Heaven sent
Size: Jumbo (25-Inch), Color: Dark Grey
My back suddenly decided to show me who's the boss. This reading pillow has been a God send! It is substantial without being too hard, soft enough to be comfortable without being too soft, absolutely no lumps! The outside cover is removable to allow for machine washing and is so soft to the touch. There is a handle on the back that makes it easy to move. This has allowed me to be able to sit upright, much appreciated!
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Reviewed in the United States on May 19, 2026