Are these version 2? Same as chrome ones.

Yes they the same, I have both sets so, I can confirm that they're the same

Whould these fit fms fcx or furitek caymen? Thanks

They are for 1:18 scale crawlers, but they're only a few bucks, so try em out. You could probably cross reference sizes though to find out for sure. I know the hole to attach the shaft is a d-shaped hole.

Any idea if these will work with the K10 High Trail?

I use them on my K10 Monster Truck build with 59mm INJORA shocks. It's at their limit, but functional. I think INJORA just came out with a stainless steel version, specifically for the K10, on their website.

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INJORA Center Drive Shaft with D Shaped Hole for TRX4M Defender Bronco

INJORA Center Drive Shaft with D Shaped Hole for TRX4M Defender Bronco

Product ID: 534301205

🔩D-shaped hole ensures ultra-tight fit

⚙️Precision scale joint & spline size

🛠️Hardened steel for max durability

13.15 OMR

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Description

⚙️ Upgrade your RC game with steel-strong precision!

BUILT TO LAST - Crafted from hardened steel to resist rust and wear, ensuring your RC crawler stays race-ready.
PRECISION FIT - D-shaped and rounded rectangle holes deliver a rock-solid connection to transmission and axles—no slip, all grip.
AUTHENTIC SCALE DETAIL - Scale joint and spline diameters mimic real drive shafts for that pro-level, realistic upgrade.
SEAMLESS COMPATIBILITY - Perfectly engineered for TRX4M Bronco and Defender stock gears plus INJORA gears—upgrade without compromise.
EFFORTLESS INSTALLATION - User-friendly design means quick, hassle-free fitting so you can get back to dominating the trail.

INJORA’s Drive Shaft Steel Black Front Rear Center Shaft set offers a durable, rust-resistant upgrade for TRX4M Defender and Bronco 1/18 RC crawlers. Featuring hardened steel construction, precision D-shaped holes for tight transmission fit, and scale-accurate joint sizing, these shafts deliver enhanced performance and realistic aesthetics. Ideal for serious hobbyists seeking reliable, long-lasting drivetrain components.

Specifications

ASIN	B0C7GQ6MFL
Best Sellers Rank	25,710 in Automotive ( See Top 100 in Automotive ) 2 in Car Drive Shafts
Brand	INJORA
Country Of Origin	China
Customer Reviews	4.7 out of 5 stars 555 Reviews
Manufacturer	INJORA
Manufacturer Part Number	4M-50BK
Material	Steel
Model Number	4M-50BK
Unit Count	6.0 count

Reviews

G**.

Another great product from injora.

16.07.2025

T**M

Essential upgrade drive shaft for trx4m defender

This item is brilliant easy to fit and good quality for the money

16.01.2026

J**Y

Solid upgrade from Injora

This is a great upgrade for the stock TRX4M - plastic to metal conversion. It's a no brainer. They're metal so they're a ton stronger than the stock plastic ones. They look way cooler than the stock ones as well. And they're heavier so it helps keep the CoG low. They're also from Injora - one of the most reputable brands in the business. Easy enough to assemble and came with all necessary hardware - a couple of set screws. Make sure when you install them, you install them "in-phase". Google that and you'll see what I mean. Installing this way will help reduce torque twist.

6.03.2026

D**O

Top but with a quirck

Can't argue with the build quality! Definitely a must, especially if upgrading for a brusheless motor, as the stock transmission axles will break. However, be aware that these will introduce some wheel slack.

19.09.2025

L**L

Injora

Excellent parfait 👍

9.12.2024

B**E

good quality

Injora is great for the price! Trx4m bronco

24.06.2024

A**O

Injora

Ottimo resistente

18.11.2025

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13.15 OMR

Duties & taxes included

In stock

Sold byAmazon OMANDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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TrustScore 4.5 | 7,300+ reviews

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