Does this come with everything the new one has to convert the sport to two speed?

Yes it comes with the two speed gears pre installed and the two speed fork and shaft for the shift servo but you will need to buy a servo and mount to operate it. beware: the metal spur gear is very loud compared to the stock one I run the plastic gear because it cuts down on noise. Hope this is helpful.

Will this fit the trx4 sport?

Yes,but make sure grease all gears. I found it a little dry

Does this fit the TRX4 k 10 high trail?

Absolutely and it's a fantastic transmission less play and less noise than stock I believe they are even hardened metal gears not the Traxxas "metal"

Rclions Cnc Aluminum Metal Transmission Case Gearbox With Steel Gear

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Description

⚙️ Gear up your TRX4 with precision power and unstoppable durability!

HEAVY DUTY STEEL GEARS - Equipped with 32P 45T steel spur gears for superior torque handling and long-lasting performance.
LIGHTWEIGHT YET ROBUST - At just 250 grams, this gearbox balances strength and portability without compromising crawler agility.
SEAMLESS COMPATIBILITY - Direct-fit design tailored specifically for TRX4 T4 1/10 scale RC crawler cars—no modifications needed.
PRECISION ENGINEERED DURABILITY - CNC-machined aluminum alloy ensures unmatched strength and corrosion resistance for rugged off-road adventures.
READY FOR ACTION OUT OF THE BOX - Comes fully assembled with metal internal gears and bearings—upgrade your RC crawler instantly.

The RCLIONS CNC Aluminum Metal Transmission Case Gearbox is a high-quality upgrade for TRX4 T4 1/10 scale RC crawler cars, featuring a corrosion-resistant aluminum alloy case and durable steel spur gears. Designed for direct fitment, it offers enhanced torque handling and longevity while maintaining a lightweight profile. Perfect for enthusiasts seeking reliable, heavy-duty performance in their remote control adventures.

Specifications

ASIN	B07C1NP5SR
Additional Features	Portable
Age Range Description	Kid
Are Batteries Required	No
Batteries are Included	No
Best Sellers Rank	#160,623 in Toys & Games ( See Top 100 in Toys & Games ) #30 in RC Vehicle Transmission Gearboxes
Brand Name	RCLIONS
Color	Black
Customer Reviews	4.2 out of 5 stars 212 Reviews
Included Components	Transfer case with gear
Indoor Outdoor Usage	Outdoor
Is Assembly Required	No
Item Weight	250 Grams
Manufacturer	RCLions
Manufacturer Maximum Age (MONTHS)	77
Manufacturer Minimum Age (MONTHS)	72.00
Manufacturer Part Number	M004884
Material Type	Alloy Steel, Aluminum, Metal
Model Name	M004884
Model Number	M004884
Number of Items	1
Operation Mode	manual
Power Source	Manual Powered
Size	5mm
Theme	Car
Toy Vehicle Form	Crawler
UPC	600607156188

Reviews

A**S

7.10.2022

S**E

10.01.2026

K**R

25.04.2023

J**E

26.04.2026

L**N

6.02.2026

J**R

20.07.2020

R**C

9.06.2023

A**.

2.08.2020

T**N

22.02.2023

M**W

24.07.2021

J**N

21.01.2021

M**L

15.08.2022

C**T

12.12.2021

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RCLIONS CNC Aluminum Metal Transmission Case Gearbox with Steel Gear for TRX4 T4 1/10th RC Crawler Car

Description

Specifications

Reviews

Common Questions