J Concepts

Developed with racers in mind, JConcepts Upgrade Parts combine innovation, precision, and durability to give hobbyists a competitive edge. Featuring lightweight materials, race-proven designs, and professional-grade construction, these upgrades enhance handling, strength, and consistency on the track.

Perfect for competitive drivers, bashers, and builders, JConcepts upgrades deliver performance and reliability—keeping your vehicles dialed in and ready for victory.

  • J Concepts 48 Pitch, 29T, SS Machined Pinion Gear JCO2115

    48 Pitch, 29T, SS Machined Pinion Gear

    JConcepts introduces Silent Speed pinion gears for 48 pitch applications. The heart of any RC vehicle is the transmission, at the top of the transmission lies the spur gear; an integral part of racing performance, the part that drives it all, the 48P...
    MSRP: $8.00
    $6.80
    Add to Cart
  • J Concepts RC10 Classic 2.5mm Carbon Fiber Shock Tower JCO2302 J Concepts RC10 Classic 2.5mm Carbon Fiber Shock Tower JCO2302

    RC10 Classic 2.5mm Carbon Fiber Shock Tower

    The RC10, the most iconic design in RC history, has been reintroduced to the public and JConcepts is pleased to offer this Carbon Fiber option for the front shock tower. The stock vehicle comes standard with a fiberglass unit, which carries all the...
    MSRP: $22.00
    $18.70
    Add to Cart
  • J Concepts XRAY XB4 2024 Fin Titanium Turnbuckle Set, 6pc JCO27242 J Concepts XRAY XB4 2024 Fin Titanium Turnbuckle Set, 6pc JCO27242

    XRAY XB4 2024 Fin Titanium Turnbuckle Set, 6pc

    JConcepts is Titanium with the introduction of the 3.5mm Fin turnbuckle sets designed specifically for style, durability, and performance. The base of the design is centered around a .143" (3.7mm) titanium hex size which gradually tapers down into a 3...
    MSRP: $55.00
    $46.75
    Add to Cart
  • J Concepts XRAY XB4 2024 Fin Titanium Turnbuckle Set, 6pc, JCO27241 J Concepts XRAY XB4 2024 Fin Titanium Turnbuckle Set, 6pc, JCO27241

    XRAY XB4 2024 Fin Titanium Turnbuckle Set, 6pc,

    JConcepts is Titanium with the introduction of the 3.5mm Fin turnbuckle sets designed specifically for style, durability, and performance. The base of the design is centered around a .143" (3.7mm) titanium hex size which gradually tapers down into a 3...
    MSRP: $55.00
    $46.75
    Add to Cart
  • J Concepts RC10B7 | RC10B7D Aero Upper Wing JCO0511 J Concepts RC10B7 | RC10B7D Aero Upper Wing JCO0511

    RC10B7 | RC10B7D Aero Upper Wing

    Aerodynamics is a key point on any vehicle, and particularly 1:10th off-road vehicles. A driver's aero package consists of the vehicle type, body style and finally the finishing touch, the front wing. JConcepts regularly experiments with aero features...
    MSRP: $14.00
    $11.90
    Add to Cart
  • J Concepts RC10 Monroe Carbon Fiber Batte JCO2329

    RC10 Monroe Carbon Fiber Batte

    Battery braces are a critical part of any electric RC vehicle. They provide the security of the main power source on the vehicle while giving the user a quick way of accessing the battery. The Monroe battery brace by JConcepts is made from genuine 2.5mm...
    MSRP: $22.00
    $18.70
    Add to Cart
  • J Concepts RC10T 3mm CF front shock tower team truck edition JCO2314

    RC10T 3mm CF front shock tower team truck edition

    The RC10T, the most classic stadium truck design in R/C history now has some option parts. The stock vehicle comes standard with a fiberglass shock tower, which carries all the original geometry, but lacks the pizzazz, strength, tuning options, and...
    MSRP: $32.00
    $27.20
    Add to Cart
  • J Concepts Aero Lower Front Wing, 2pc JCO0157

    Aero Lower Front Wing, 2pc

    This front wing features a high-attack design with trim-able rear gurney options. A radical, edgy design which functions and compliments the Finnisher and Silencer body design includes elements and features fresh for the latest off-road conditions. The...
    MSRP: $12.00
    $10.20
    Add to Cart