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Picture
MRC Knuckle Weight Holders
These holders allow you to add weights to your knuckles on your MRC or Slickrock based crawler.
$13.00
Select your knuckle:
Color

Temporarily out of stock,
Please click here for more info
Stock Status: Out of Stock
Learn More

Shipping through USPS First Class to any US address is included in the price. 
For international customers, shipping price depends on the quantity of items purchased.
For more information, please see our SHIPPING POLICY.


  • Compatible with many popular knuckles, with more options coming soon. If your knuckle is not listed, please visit the CONTACT page to submit a request. 
  • Includes (2) 4-40 BHCS to hold the holder to the knuckle, as well as (2) M3 SHCS to attach the knuckle weight. 
  • Weights are NOT included, and are designed to work with the RCBros knuckle weights (half and full weights). Other options will be added soon.
  • Made from ABS - available in multiple color options

Note - These will not work will all wheels. Your wheels will need to have a minimum clearance of 40mm for the weights to fit. Also, your offset will determine how thick the weights can be. A typical Axial 1.9 Beadlock with Losi 8mm hexes will clear the .25 weights.

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2013-2025 JC Auto Design, LLC
  • Home
  • Store
  • News
    • Archived News
  • About
    • Product Archive >
      • Legacy Products >
        • SCX10 (Gen 1) Upgrades >
          • Upper Link Risers (RULR)
          • Ext Upper Link Risers (RULR)
          • Axle Truss Options >
            • Axle Truss Combo
            • CMS + Panhard Truss Combo
            • 4-Link Truss
            • Servo Truss
            • Panhard Truss
            • Extended Panhard Truss
          • Chassis Options >
            • Servo Chassis Mount Combo
            • CMS + Panhard Link Mount Combo
            • Simple CMS V2
            • CMS + Battery Mount
            • Servo Winch + Battery Mount
            • Rear Chassis Brace
            • Electronics Chassis Brace
            • Panhard Link Chassis Mount
        • Scale Tech by JCAD >
          • Karnage SSR Scale Chassis
          • Karnage SSR-II Scale Chassis
          • SSR Wraith Adapters
        • Ascender Upgrades >
          • Upper Link Risers (RULR) (SWB or LWB)
          • Battery & Electronics Plate
          • RULR + Battery Plate Combo
        • MRC/Slickrock Upgrades >
          • Karnage Jr. Chassis
    • Projects
    • Policies
  • Contact