Parts/Suspension & steering/Suspension arms & hubs/Samix SCX10 III/Capra Heavy Duty Brass Knuckle Combo w/Portal Cover, Scale Brake Rotor & 8mm Hexes
Samix SCX10 III/Capra Heavy Duty Brass Knuckle Combo w/Portal Cover, Scale Brake Rotor & 8mm Hexes
Samix

Samix SCX10 III/Capra Heavy Duty Brass Knuckle Combo w/Portal Cover, Scale Brake Rotor & 8mm Hexes

Part # SAMSCX3-4412C45.0(6)
Where to buy
$119.99
AMain Hobbies
Seen Oct 12, 2026
$119.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

The Samix SCX10 III/Capra Heavy Duty Brass Knuckle Combo combines SAMSCX3-4412C3 and SAMSCX3-4412 to create the ultimate heavy-weight package. The precision machined brass knuckles are compatible with the stock parts, and weigh 112 grams total. SAMSCX3-4412C3 is full weight tuning package that adds scale details to improve the look and performance of your rig. The complete SAMSCX3-4412C3 package weighs 196 grams total, and when combined with the knuckles adds a whopping 308 grams of weight! The parts are finished with a stealthy black coating and gold chamferred edges that gives the rig a custom look, that will allow you to adjust the weight bias of the rig to suit your needs.  

NOTE: Screw pins to attach the 12mm Hexes are not included. Use AXI236172 if needed. 


Features:
  • Gain 315g of weight
  • SAMIX scale brake rotor & caliper for realistic looking crawler (the brake rotor suitable for STD SCX10-3 wheel)
  • Better center or gravity and forward weight bias for climbing (with adjustable weight system)
  • Made of high quality brass and etched with L and R for ease of installation
  • Direct fit front knuckle
  • Black coating to help prevent corrosion
  • Direct fit standard SCX10-3 / Capra
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

Reviews5.0 · 6 reviews

NAOYUKI SASAKIVerified owneron Samix SCX10 III/Capra Heavy Duty Brass Knuckle Combo

Very good weights ! The front tire will grip a lot! Cheers

1 found this helpful
Ricky BoysterVerified owneron Samix SCX10 III/Capra Heavy Duty Brass Knuckle Combo

Great quality and fit, added weight where you want it, looks awesome and scale points to boot.

1 found this helpful
Jay VisgerVerified owneron Samix SCX10 III/Capra Heavy Duty Brass Knuckle Combo

These Brass Knuckles are fantastic, fit great, look amazing, and perform unreal. I finally made the Rock climb that was teasing me! I would recommend these to any SCX10 III truck. They are of Great Quality, and wow, they just look good. Great purchase.

joseph chavezVerified owneron Samix SCX10 III/Capra Heavy Duty Brass Knuckle Combo

This is a great product that fit my Capra axles perfect. I have stick axial Capra axles. I would buy again and reckoned.

John ScheinbergVerified owneron Samix SCX10 III/Capra Heavy Duty Brass Knuckle Combo

After a few years worth of trying different weights for the Capra, these might be the best. Huuuge weight that's well designed with and looks fantastic. Was on the fence about price: worth it.

What reviewers say

All six reviewers are verified owners of the Samix SCX10 III/Capra Heavy Duty Brass Knuckle Combo and rate it 5/5. Reviewers agree on strong fit, especially on Capra axles, good build quality, and an attractive scale appearance. Several note the substantial added weight, with one reviewer using the included 33g add-on weights to adjust front-to-rear bias on a Capra 4WS. Reviewers report improved front tire grip and performance on rock climbing. Price is mentioned by one reviewer as a consideration, judged worth it. No reviewer reports a problem or disagreement.

  • + Good fit, especially on Capra axles
  • + Strong build quality
  • + Substantial added weight
  • + Attractive scale look
  • − Higher price noted by one reviewer
Summary generated from the reviews above.

Builds using this part

No builds use this part yet — add it to yours from the build editor.