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Representative image of an RCScrewZ metal-shielded bearing kit for Losi NASCAR 1/12 Electric 2S AWD On-Road Race Car (LOS11225XX); exact bearing sizes and quantities vary by RC model.
Upgrade Your RC Car with Metal Shielded Bearings for Losi NASCAR RC Race Car | los152b - 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: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles -
Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles -
RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET
RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET
RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET
RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET
RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET
RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET
RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET
RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET
RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET
RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET

Why Choose This Kit

Key features and intended use for this kit.

Shield type

Metal-Shielded (On-Road)

Performance focus

Low-drag, not sealed

Best suited for

Cleaner on-road / prepared surfaces

Metal-Shielded Bearings

RCScrewZ Metal Shielded Bearing Kit los152b for Losi NASCAR RC Race Car Series 1/12 Electric 2S AWD Brushed On-Road RTR (LOS11225XX, LOS11224XX) | SET

RCScrewZSKU: los152b

Model-specific metal-shielded bearings for smooth, low-drag operation on cleaner on-road or prepared surfaces.

Fits: Losi NASCAR 1/12 Electric 2S AWD On-Road Race Car (LOS11225XX)
OEM / model: LOS11225XX, LOS11224XX, LOS1122501, LOS1122503, LOSF1122503, LOS1122505, LOS1122508, LOSF1122508, LOS1122509, LOS1122512, LOS1122520, LOS1122522, LOS1122524, LOS1122405, LOS1122408, LOS1122409, LOS1122412, LOS1122419, LOS1122434

US
Regular price
$38.94
Sale price
$38.94
Regular price
$39.95

In stock

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

Exact model check

Confirm This Fits Your RC

Match the RC model and OEM/model number below before ordering.

RC model
Losi NASCAR 1/12 Electric 2S AWD On-Road Race Car (LOS11225XX)
OEM / model number
LOS11225XX, LOS11224XX, LOS1122501, LOS1122503, LOSF1122503, LOS1122505, LOS1122508, LOSF1122508, LOS1122509, LOS1122512, LOS1122520, LOS1122522, LOS1122524, LOS1122405, LOS1122408, LOS1122409, LOS1122412, LOS1122419, LOS1122434
Kit type
Metal-Shielded Bearing Kit — Low-Drag for Cleaner Running
Scale
1:12
Power
Electric
View all verified kits for this model →
More compatibility details
RC brand
Losi
Terrain
On-road
Vehicle class
Land
Kit SKU
los152b
Model series
NASCAR, NASCAR RC Race Car, NASCAR AWD RC Race Car
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 set with one spare of each included size.
  • All bearing sizes listed below for this model-specific kit
  • One spare of each included size
  • Bearing styles vary by RC model and may include standard, flanged, one-way, or thrust bearings

Included bearing sizes for this kit:

    • 7x11x3mm bearings
    • 8x12x3.5mm bearings
Installation & Model NotesImportant instructions and model-specific guidance.

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

Keep metal-shielded bearings clean and dry.

After cleaning and drying, apply a small amount of light bearing oil.

Details & Support

Kit Details Lower-drag metal shields for clean, dry running conditions.
Shield Type
Metal-Shielded Bearings
Performance Priority
Lower drag
Protection
Not sealed; best kept clean and dry
Best For
Cleaner on-road or prepared surfaces when lower drag is the priority
Not Ideal For
Dust, dirt, sand, mud, water, or frequent wet-condition use
Prefer Rubber-Sealed?
Choose Rubber-Sealed bearings for off-road use, dust, dirt, sand, mud, water exposure, or lower-maintenance protection.
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 NASCAR 1/12 Electric 2S AWD On-Road Race Car (LOS11225XX)
Compatible RC Brand
Losi
RC Vehicle OEM / Model Number(s)
LOS11225XX, LOS11224XX, LOS1122501, LOS1122503, LOS1122505, LOS1122508, LOS1122509, LOS1122512, LOS1122520, LOS1122522, LOS1122524, LOS1122405, LOS1122408, LOS1122409, LOS1122412, LOS1122419, LOS1122434, LOSF1122503, LOSF1122508
RCScrewZ Kit Part Number
los152b

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
LOS11225XX, LOS11224XX, LOS1122501, LOS1122503, LOS1122505, LOS1122508, LOS1122509, LOS1122512, LOS1122520, LOS1122522, LOS1122524, LOS1122405, LOS1122408, LOS1122409, LOS1122412, LOS1122419, LOS1122434, LOSF1122503, LOSF1122508
RC Chassis Compatibility
Losi NASCAR AWD RC Race Car
Compatible Vehicle Type
1/12 Electric 2S AWD On-Road Race Car
Terrain Compatibility
On-road
Compatible Scale
1:12
Compatible Fuel Type
Electric

What Is Included

Included bearing sizes for this Metal-Shielded Bearing Kit:

    • 7x11x3mm bearings
    • 8x12x3.5mm 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

Metal Shielded Bearing Kit Compatibility:

Quick Fit Summary:

  • Compatible Brand: Losi

  • Fit: Model-specific fitment for Losi NASCAR RC Race Car

  • Compatible RC Model/OEM Numbers: LOS11225XX, LOS11224XX, LOS1122501, LOS1122503, LOSF1122503, LOS1122505, LOS1122508, LOSF1122508, LOS1122509, LOS1122512, LOS1122520, LOS1122522, LOS1122524, LOS1122405, LOS1122408, LOS1122409, LOS1122412, LOS1122419, LOS1122434

  • Scale: 1/12

  • Power Source / Fuel Type: Electric

  • Battery / Cell Count: 2S

  • Drive Type: AWD

  • Vehicle Type: 1/12 Electric 2S AWD On-Road Race Car

  • Chassis: Losi NASCAR AWD RC Race Car

  • Era: Next Gen Era (2020–Present)

  • OEM / Models: LOS11225XX, LOS11224XX, LOS1122501, LOS1122503, LOSF1122503, LOS1122505, LOS1122508, LOSF1122508, LOS1122509, LOS1122512, LOS1122520, LOS1122522, LOS1122524, LOS1122405, LOS1122408, LOS1122409, LOS1122412, LOS1122419, LOS1122434

  • RC Model Terrain: On-Road: Asphalt, Concrete & Smooth Pavement

Release / Launch Year: 2025

This Kit Details:

  • SKU: los152b

  • MPN: los152b

  • Kit Type: Metal Shielded Bearing Kit

  • Bearing Type: Metal-Shielded (On-Road / Low-Drag)

  • Sealed Bearings: No

  • Water/Dust Protection: Low-drag, not sealed

  • Product Material: Carbon Chrome Steel Bearings

  • Product Color: Silver

Bearing Size Details:

  • 7x11x3mm bearings
  • 8x12x3.5mm bearings

OEM / Model Code / Alias Coverage:

LOS11225XX, LOS11224XX, LOS1122501, LOS1122503, LOSF1122503, LOS1122505, LOS1122508, LOSF1122508, LOS1122509, LOS1122512, LOS1122520, LOS1122522, LOS1122524, LOS1122405, LOS1122408, LOS1122409, LOS1122412, LOS1122419, LOS1122434

Model Family Coverage: NASCAR, NASCAR RC Race Car, NASCAR AWD RC Race Car

Product Benefits:

  • Metal shielded bearings help reduce rolling resistance for smoother drivetrain feel and clean-surface running.
  • Best for controlled, dry, low-debris conditions, race prep, bench rebuilds, and buyers who prefer lower drag.
  • Not intended as sealed dirt, dust, debris, mud, or water protection.

Fitment Note: Confirm your Losi model number matches one of the OEM codes listed above before ordering.

Search-Friendly Notes: Compatible Losi parts for Losi NASCAR RC Race Car; useful for Losi screw kit, Losi bearing kit, Losi bearings, rebuild, tuning, maintenance, and RC race prep searches.

Metal-Shielded Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
los152b
Product Brand
RCScrewZ
Shielding Type
Metal-Shielded (On-Road)
Sealed Bearing Status
No
Bearing Material
Carbon Chrome Steel
Approximate Piece Count
Piece count information will be available shortly.
Color
Silver

Before Ordering

  • Confirm your exact RC model, RC brand, and OEM/model number whenever possible.
  • Review the included-bearing-size list before purchase.
  • Read the installation and model notes before disassembly or installation.

Vehicle versions, chassis revisions, and model-year configurations can differ. 

Confirm fitment before purchase when your RC vehicle differs from the details shown above.

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Stainless Screw Kit

For Losi NASCAR 1/12 Electric 2S AWD On-Road Race Car (LOS11225XX) OEM/model: LOS11225XX, LOS11224XX, LOS1122501, LOS1122503, LOSF1122503, LOS1122505, LOS1122508, LOSF1122508, LOS1122509, LOS1122512, LOS1122520, LOS1122522, LOS1122524, LOS1122405, LOS1122408, LOS1122409, LOS1122412, LOS1122419, LOS1122434
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Rubber-Sealed Bearing Kit

For Losi NASCAR 1/12 Electric 2S AWD On-Road Race Car (LOS11225XX) OEM/model: LOS11225XX, LOS11224XX, LOS1122501, LOS1122503, LOSF1122503, LOS1122505, LOS1122508, LOSF1122508, LOS1122509, LOS1122512, LOS1122520, LOS1122522, LOS1122524, LOS1122405, LOS1122408, LOS1122409, LOS1122412, LOS1122419, LOS1122434
Current price: $38.94 Compare-at price: $39.95 Save $1.01 In stock View Rubber-Sealed Kit
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Fits: Losi NASCAR 1/12 Electric 2S AWD On-Road Race Car (LOS11225XX)
$38.94