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.

Injora Drive Shaft Black Steel Front Rear Center Shaft D

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VT8024

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Upgrade your RC game with precision and power!

BUILT TO LAST - Crafted from hardened steel to resist rust and wear, ensuring your RC crawler stays race-ready.
PRECISION FIT - Innovative D-shaped and rounded rectangular holes guarantee a tighter, wobble-free connection to your transmission.
EFFORTLESS UPGRADE - Easy assembly with no batteries required—get your crawler enhanced and back on the trail faster.
AUTHENTIC SCALE DETAIL - Scaled joint and spline diameters deliver a true-to-life look that elevates your TRX4M Defender or Bronco build.
SEAMLESS COMPATIBILITY - Optimized specifically for TRX4M Bronco Defender and INJORA gears for flawless upgrades.

The INJORA Drive Shaft set features hardened black steel construction with D-shaped holes for a secure fit, designed specifically for TRX4M Defender and Bronco 1/18 scale RC crawlers. These shafts combine durability, realistic scale detailing, and improved structural design to enhance performance and longevity in your RC upgrades.

Specifications

ASIN	B0C7GQ6MFL
Assembly Required	Yes
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#112,190 in Toys ( See Top 100 in Toys ) #13 in RC Vehicle Rotor Shafts
Color	Silver
Customer Reviews	4.7 4.7 out of 5 stars (474)
Date First Available	28 June 2023
Educational Objective(s)	Construction Skills
Item model number	4M-50BK
Material Type(s)	Metal
Number of Game Players	1
Product Dimensions	2.54 x 2.54 x 5.08 cm; 20 g
tech_spec_battery_description_toys	No batteries required

Reviews

M**.

Nice

13.08.2025

F**R

Gut verarbeitet Wellen für den TRX4M. Klare Kaufempfehlung

2.02.2026

T**M

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

16.01.2026

D**O

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

Excellent parfait 👍

9.12.2024

B**E

Injora is great for the price! Trx4m bronco

24.06.2024

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