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  3. LOSI LOS234016

LOSI LOS234016 Arm Lasernut Rod Pivot Suspension Control LOS03028 U4

Los234016 Losi Lasernut U4 A Arms Rod Pivot Suspension Control Arm

( Brand: Losi ), ( Manufacturer Part Number: LOS234016 ), ( Model: U4 LOS03028 ), ( Part Type: Control ), ( Color: Black )

Review LOSI Lasernut U4 Arms Rod Pivot Suspension Control Arm

The LOSI Losi234016 Lasernut U4 arms rod pivot suspension control arm is a high-performance component designed for off-road RC vehicles. This arm is engineered to provide superior control, durability, and adjustability for your U4 truck.

The arm is constructed from 2.5mm thick 7075-T6 aluminum, which is both lightweight and incredibly strong. This material provides excellent rigidity and resistance to fatigue, ensuring that your suspension performs consistently, even during the most demanding off-road conditions.

The arm features laser-cut pivot holes, which provide precise and repeatable alignment for the suspension components. This results in improved steering accuracy and better overall vehicle handling. The pivot holes also allow for easy adjustability, enabling you to fine-tune your suspension settings for optimal performance on various terrains.

The rod pivot end is designed with a 10mm ball joint, which offers smooth and consistent suspension movement. The ball joint is secured with a 4mm hex nut, making it easy to install and maintain. The arm also includes a 10mm hex adapter, allowing for a wide range of suspension mounting options.

The arm is designed to fit the LOSI Losi U4 RC truck and is a direct replacement for the stock arm. Installing this arm is a straightforward process, and no modifications are required. The arm comes with all necessary hardware for installation, including hex nuts, washers, and spacers.

In summary, the LOSI Losi234016 Lasernut U4 arms rod pivot suspension control arm is a high-quality, durable, and adjustable component that provides superior control and handling for your RC off-road vehicle. Its precision-engineered design, lightweight construction, and easy installation make it an excellent investment for any RC enthusiast looking to enhance the performance of their U4 truck.

The LOSi Losi 23-4016 Lasernut U4 arms with rod pivot suspension control arms are aftermarket upgrades for RC cars, specifically for the Losi 23-40 U4 Ultimate 4WD. These arms offer several advantages and disadvantages, which are as follows:

Advantages:

1. Improved durability: The Lasernut U4 arms are made from high-quality 2.5mm 6061-T6 aluminum material, making them stronger and more resilient to crashes and impacts compared to the stock plastic arms.

2. Adjustable pivot balls: The rod pivot suspension control arms feature adjustable pivot balls, allowing racers to fine-tune the suspension geometry and improve handling and cornering performance.

3. Reduced unsprung weight: Aluminum control arms reduce the unsprung weight of the suspension system, allowing for better response and improved overall performance.

4. Aesthetics: The anodized aluminum finish of the control arms adds a professional and attractive look to the RC car.

Disadvantages:

1. Cost: The aftermarket control arms are more expensive than the stock plastic parts.

2. Installation: Installing the aftermarket control arms requires some level of RC car assembly experience and may require additional tools.

3. Maintenance: Aluminum control arms may require more frequent maintenance due to their exposure to dirt and debris during use.

In conclusion, the LOSi Losi 23-4016 Lasernut U4 arms with rod pivot suspension control arms offer several benefits, including improved durability, adjustable pivot balls, reduced unsprung weight, and aesthetics. However, they also come with some disadvantages, such as cost, installation complexity, and higher maintenance requirements.

Based on the advantages and disadvantages, it is recommended that experienced RC car hobbyists who are looking to improve the performance and durability of their Losi 23-40 U4 Ultimate 4WD consider investing in these aftermarket control arms. For those who are new to RC car assembly or are on a tight budget, the stock plastic control arms may be a more suitable option.

Details:

They're in good condition all around. Please see all of the pictures, and feel free to ask any questions.

part #: los234016 prices

  • $11.99-$38.94

specifications rcparta:

  • brand: Losi
  • mpn: Los234016
  • model: U4 Los03028
  • part type: Control
  • color: Black

payments rcparta:

  • wallet: Paypal
  • credit card: Diners-club
  • other

returns rcparta:

  • policy: No Returns

seller rcparta:

  • rating: 100.0%
  • city: Springville, Utah
  • # reviews: 1694

offer rcparta:

  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: January 20, 2026

shipping rcparta:

  • transit: 3-8 Days
  • carrier: USPS
  • class: Standard
  • type: Calculated
  • service: USPS Ground Advantage
  • cost: $0.00

general rcparta:

  • Radio Control Control Line > RC model Vehicle Parts Accs > Other RC Parts Accs
  • condition: Used
part type: control,
category: toys & hobbies > radio control line > rc model vehicle parts accs > rc parts accs, color: black, sku: 9345569959980782,

Losi LOS234016 Is Similar To:

rcparta logo
5 offers $11.99–$38.94 USD
  • Offer #1: $15.95 price + $0.00 shipping estimate = $15.95* total. Also fits the following discontinued models: Pro, Monster Truck and T. Designed with 30 leading and trailing edges, gives each A-arm a sleek look and feel.FREE SHIPPING
  • Offer #2: $38.94 price + $0.00 shipping estimate = $38.94* total. Trusted by RC enthusiasts for decades durable, polished performance you can count on.FREE SHIPPING
  • Offer #3: $11.99 price + $5.99 shipping estimate = $17.98* total.+$5.99 shipping
  • Offer #4: $26.37 price + $6.79 shipping estimate = $33.16* total. If the screws are pictured, they are included. LOS231062 - Aluminum Chassis: Lasernut U4.+$6.79 shipping
  • Offer #5: $16.95 price + $5.95 shipping estimate = $22.90* total. Part # . NIB / unused Team Losi Front Arm Set: TENACITY SCT.+$5.95 shipping

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