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Representative image of an RCScrewZ rubber-sealed bearing kit for Losi LST XXL2-E 1/8 Electric 4WD Monster Truck (LOS04004); exact bearing sizes and quantities vary by RC model.

Upgrade Your RC Car with Rubber Shielded Bearings for Losi LST XXL2-E | los083r - High Performance Upgrade | Durable & Reliable - by J-M SUPPLIES

Infographic: 'Choose Wisely for Your Need for Speed' – Highlights Metal Shielded Bearings as the top choice for unbeatable on-road RC car performance -

Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles -

Infographic: 'What Matters Most to You? Performance on the Streets or Durability in the Dirt?' – Guides on selecting bearings to match your RC lifestyle, highlighting the importance of choosing based on whether your focus is speed on paved roads or resilience in off-road conditions - los083r

Infographic: 'Need Bearings? How to Check Your RC's Bearings for Replacement' – Instructions to remove, clean, and inspect bearings for gritty texture or improper movement, indicating the need for replacement - los083r

Step-by-Step Guide: Checking RC Bearings. 2. Assess if bearings feel gritty or aren't spinning freely. 3. Non-free spinning bearings impair RC performance. 4. Bearings not spinning freely may need replacement - los083r

RCScrewZ and J-M SUPPLIES offer high-quality RC bearing kits, available as metal shielded or rubber sealed options, suitable for diverse RC needs - los083r

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Infographic on RCScrewZ Bearing Kits: Highlights features of both metal and rubber shielded bearing kits, detailing high-quality components suitable for various RC models. Covers standard, flanged, one-way, and thrust bearings included in kits, with extra spares. Explains the shielding and performance benefits of each type, tailored for specific RC model needs - los083r

Infographic reminder: Refer to the item description for more detailed information about the product - los083r

Notice: Check the product description for detailed information on the specific bearing sizes included in this bearing kit - los083r

Why Choose This Kit

Key features and intended use for this kit.

Shield type

Rubber-Sealed (Off-Road)

Protection focus

Sealed against dirt & splash

Best suited for

Off-road / dirty conditions

Rubber-Shielded Bearings

RCScrewZ Rubber Shielded Bearing Kit los083r for Losi LST XXL2-E RTR Brushless 1/8 Electric 4WD Monster Truck (LOS04004) | SET

Name: RCScrewZ Rubber Shielded Bearing Kit los083r for Losi LST XXL2-E RTR Brushless 1/8 Electric 4WD Monster Truck (LOS04004) | SET
Brand: RCScrewZ
SKU: los083r
Price: 53.67 USD
Availability: InStock

(1)

RCScrewZSKU: los083r

Rubber-shielded bearings for land-based RC use where added protection from dust, dirt, sand, and mud is preferred.

Fits: Losi LST XXL2-E 1/8 Electric 4WD Monster Truck (LOS04004)
OEM / model: LOS04004

Regular price: $53.67
Sale price: $53.67
Regular price: ~~$59.95~~
Unit price: per

In stock

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Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.

RC model: Losi LST XXL2-E 1/8 Electric 4WD Monster Truck (LOS04004)
OEM / model number: LOS04004

Kit type: Rubber-Shielded Bearing Kit — Sealed for Off-Road Protection
Scale: 1:8
Power: Electric

View all verified kits for this model →

More compatibility details

RC brand: Losi
Vehicle class: Land
Kit SKU: los083r
Model series: LST, LST XXL2-E

Product information

Everything You Need Before Ordering

Review what is included, installation notes, shipping details, and complete kit information.

Kit Contents & Installation

What’s Included Model-specific bearing kit; review the listed sizes and quantities.

Bearing sizes listed below for this model-specific kit
Quantities and any spare bearings are included only when specifically confirmed in the product details.
Review the product-specific bearing sizes and styles below or in the full description.

Included bearing sizes for this kit:

5x8x2.5mm bearings
6x12x4mm bearings
6x12x4mm flanged bearings
8x16x5mm bearings
15x21x4mm bearings

Installation & Model NotesInstallation, cleaning, inspection, and model-specific guidance.

Seat bearings fully and squarely. Do not force them into the housing or overtighten the hardware that retains them.

After use, clean the bearing exterior and dry it thoroughly. Inspect and service as needed.

Inspect the bearings for roughness, binding, noise, or excessive play before reuse; service or replace them as needed.

Details & Support

Kit Details Rubber-sealed protection against dirt, dust, and debris.

Seal Type: Rubber-Sealed Bearings
Protection Priority: Sealed protection against dirt, dust, and debris
Best For: Off-road, dusty, or dirty conditions where debris protection is the priority
Performance Tradeoff: Protection is prioritized over the lowest possible drag
Not Ideal For: Clean, dry on-road or prepared-surface use when lower drag is the priority
Prefer Metal-Shielded?: Choose Metal-Shielded bearings for cleaner on-road or prepared surfaces when lower drag is the priority.

Shipping & Returns Handling time, current delivery estimate, and return policy.

Free shipping on all U.S. orders (USPS Priority Mail).

Ships within 1–2 business days (Mon–Fri); some Saturday shipments by 12:00 PM ET.

Most orders ship from Canton, MI 48187. APO/FPO/DPO & PO Boxes welcome.

Priority Mail typically delivers in 2–3 business days (estimates; not guaranteed).

Easy 30-day returns with prepaid USPS label; refunds issued within 3 business days after the return is received.

Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay

Full Product Description Read the complete product specifications and details.

Exact RC Model Fitment

Confirm the exact RC model and RC vehicle OEM/model number below before ordering.

Compatible RC Model: Losi LST XXL2-E 1/8 Electric 4WD Monster Truck (LOS04004)
Compatible RC Brand: Losi
RC Vehicle OEM / Model Number(s): LOS04004
RCScrewZ Kit Part Number: los083r

Vehicle Compatibility Details

Review these vehicle details to help confirm compatibility with your RC model.

RC Vehicle OEM / Model Number(s): LOS04004
RC Chassis Compatibility: Losi LST XXL2-E 4WD Monster Truck
Compatible Vehicle Type: 1/8 Electric 4WD Monster Truck
Terrain Compatibility
Compatible Scale: 1:8
Compatible Fuel Type: Electric

What Is Included

Included bearing sizes for this Rubber-Sealed Bearing Kit:

5x8x2.5mm bearings
6x12x4mm bearings
6x12x4mm flanged bearings
8x16x5mm bearings
15x21x4mm bearings

What Is Not Included

Only the bearings identified in the included-bearing-size list are part of this kit.

The RC vehicle and separately sold parts are not included unless specifically listed.

Installation & Model Notes

Rubber Shielded Bearing Kit Compatibility:

Quick Fit Summary:

Compatible Brand: Losi
Fit: Model-specific fitment for Losi LST XXL2-E RTR Brushless
Compatible RC Model/OEM Numbers: LOS04004
Scale: 1/8
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified.
Drive Type: 4WD
Vehicle Type: Monster Truck
Chassis: Losi LST XXL2-E 4WD Monster Truck
Era: Contemporary Era (2010-2019)
OEM / Models: LOS04004
RC Model Terrain: Off-Road: Dirt, Grass & Bashing Terrain
Review / Retail Reference Date: 2016

This Kit Details:

SKU: los083r
MPN: los083r
Kit Type: Rubber Shielded Bearing Kit
Bearing Type: Rubber-Shielded (Off-Road / Sealed)
Sealed Bearings: Yes
Water/Dust Protection: Sealed protection against dirt, dust, and debris
Product Material: Carbon Chrome Steel Bearings
Product Color: Silver

Bearing Size Details:

5x8x2.5mm bearings
6x12x4mm bearings
6x12x4mm flanged bearings
8x16x5mm bearings
15x21x4mm bearings

OEM / Model Code / Alias Coverage: Compatible with OEM/model code(s): LOS04004.

Model Family Coverage: LST, LST XXL2-E

Product Benefits:

Rubber shielded bearings add sealed protection against dirt, dust, and debris for off-road, dusty, outdoor, bashing, racing, and debris-prone RC use.
Helps reduce contamination exposure during drivetrain service and harsh terrain use.

Reason to Purchase: Choose rubber shielded bearings when sealed protection against dirt, dust, and debris matters more than the lowest possible rolling drag, especially for Losi and TLR off-road vehicles.

Fitment Note: Confirm your vehicle model and OEM number before ordering. This kit is intended for the listed Losi/TLR model family and should not be assumed to fit other 8IGHT, 22, Baja Rey, TEN, LST, or 5IVE variants unless listed.

Search-Friendly Notes: Useful for Losi parts, TLR parts, Losi screw kit, Losi bearing kit, TLR bearings, and model-specific RC rebuild searches for Losi LST XXL2-E RTR Brushless.