Shopping Cart

Your cart is empty.

Your cart is empty.

AMK TRX4M Brass Portal Axle Upgrade Kit Complete Set, Front Axles and Rear Axles with 7mm Hex Wheel Hubs and 4mm Adapters for 1/18 RC Crawlers TRX4M Upgrades, Bronc, Defend K10

4.8 (2) Write Review
Free shipping on orders over $29.99

$69.99

$ 31 .99 $31.99

In Stock
  • 【TRX4M Axles Complete】 This upgrade kit includes complete front and rear axles, with 7mm hex wheel hubs, universally compatible with 1/18 scale TRX4M Defend, Bronc, K10, and 1/18 RC crawler more.
  • 【TRX4M Brass Axles】Crafted from brass with a weight of 180g/6.35oz, these axles not only enhance the durability of TRX4M portal axles but also provide additional weight to the chassis for a lower center of gravity.
  • 【TRX4M Brass Upgrades】Specifically designed for TRX4M enthusiasts, this professional brass portal axle upgrade kit features performance axles with high ground clearance and a large passing angle, all integrated into the TRX4M high trail LCG chassis, eliminating the hassle of plastic axles.
  • 【Excellent Axle Gears】Made from high-quality steel, these gears undergo fine processing and surface treatment, ensuring a smooth surface without burrs, excellent meshing, and jam-free, smooth operation.
  • 【Heavy-Duty CVD】 Constructed from high-strength hard steel, the CVD is capable of withstanding high-intensity continuous operation without easy breakage, ensuring prolonged durability for your vehicle.


Product Description

AMK TRX4M Brass Portal Axle Upgrade Kit Complete Set for Front Axles and Rear Axles Compatible with 1/18 RC Crawlers TRX4M Upgrades

trx4m;trx4m axles;trx4m portal axles ;trx4m portalsa;trx4m upgrades;traxxas trx4m;1/18 rc crawler;

  • Specificaions

Material: Brass

Processing: CNC machined

Color: Black

Surface Treatment: Electrophoretic

Hub Hex: 7mm

Hub Thickness: 4mm

Length: 112mm / 4.41 in

Weight of Front Axle: 100g / 3.53 oz

Weight of Front Axle: 80g / 2.82 oz

Total Weight: 180g / 6.35 oz

TRX4M portal axles; TRX4M brass axles; TRX4M axles; TRX4M axles complete; TRX4M upgrades;

Effect with 1.0 Monster Truck Tires

Minimum Ground Clearance: 30mm / 1.18in

Approach Angle: 70°

Passing Angle: 60°

Longitudinal Passing Angle: 30°

TRX4M Portal Axle kit; potal axles 1/18; portal axle 1/18 TRX4M; rc axles 1/18;

rc axles 1/18 crawler

1/18 scale RC crawler axles

TRX4M brass

TRX4M portalsa

TRX4M Tront axles

TRX4M Rear axle;1/18 RC Crawlers TRX4M;


Danny Lee
Reviewed in the United States on February 17, 2025
Easy install. Everything provided. They make my high trail look great! The weight is awesome!
Josh Lopez
Reviewed in the United States on January 23, 2025
Rear axle spins in opposite direction, front axle does not even spin.Opened up diff cover , all plastic on inside