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Representative image of an RCScrewZ rubber-sealed bearing kit for Kyosho Mini-Z MR-01 1/28 Electric RWD Racer Car; exact bearing sizes and quantities vary by RC model.
Upgrade Your RC Car with Rubber Shielded Bearings for Kyosho Mini-Z MR-01 Racer | kyo103r - 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 Your Need for Speed' – Highlights Metal Shielded Bearings as the top choice for unbeatable on-road RC car performance - kyo103r
Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles - kyo103r
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 - kyo103r
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 - kyo103r
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 - kyo103r
RCScrewZ and J-M SUPPLIES offer high-quality RC bearing kits, available as metal shielded or rubber sealed options, suitable for diverse RC needs - kyo103r
Elevate Your RC Adventure! Image introducing Stainless Screw Kits as the Ultimate Upgrade. Offers enhanced durability, superior corrosion resistance, and a sleek look, making them a top choice for complementing high-quality bearing selections. Trusted by RC enthusiasts worldwide - kyo103r
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 - kyo103r
Infographic reminder: Refer to the item description for more detailed information about the product - kyo103r
Infographic reminder: Refer to the item description for more detailed information about the product - kyo103r
Notice: Check the product description for detailed information on the specific bearing sizes included in this bearing kit - kyo103r

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 kyo103r for Kyosho Mini-Z MR-01 Series 1/28 Electric RWD Mini-Z Racer Car | SET

RCScrewZSKU: kyo103r

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

Fits: Kyosho Mini-Z MR-01 1/28 Electric RWD Racer Car

US
Regular price
$38.94
Sale price
$38.94
Regular price
$43.95

In stock

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Confirm this kit fits your RCMatch the exact RC model shown above to your vehicle.

Exact model check

Confirm This Fits Your RC

Match the exact RC model shown below to your vehicle before ordering.

RC model
Kyosho Mini-Z MR-01 1/28 Electric RWD Racer Car
Kit type
Rubber-Shielded Bearing Kit — Sealed for Off-Road Protection
Scale
1:28
Power
Electric
View all verified kits for this model →
More compatibility details
RC brand
Kyosho
Vehicle class
Land
Kit SKU
kyo103r
Model series
Mini-Z, MR-01, Mini-Z Racer
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.
  • Model-specific bearing 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.
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
Kyosho Mini-Z MR-01 1/28 Electric RWD Racer Car
Compatible RC Brand
Kyosho
RC Vehicle OEM / Model Number(s)
RCScrewZ Kit Part Number
kyo103r

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
RC Chassis Compatibility
Kyosho Mini-Z MR-01 RWD Chassis
Compatible Vehicle Type
1/28 Electric RWD Mini-Z Racer Car
Terrain Compatibility
Compatible Scale
1:28
Compatible Fuel Type
Electric

What Is Included

Included bearing sizes for this Rubber-Sealed Bearing Kit:

    Note: The specific bearing sizes will be listed soon. In the meantime, please contact us for detailed information about the sizes included in this kit. We're happy to assist you!

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: Kyosho

  • Fit: Model-specific fitment for Kyosho Mini-Z MR-01 Series 1/28 Electric RWD Mini-Z Racer Car.

  • Compatible RC Model/OEM Numbers: Not currently verified

  • Scale: 1/28

  • Power Source / Fuel Type: Electric

  • Battery / Cell Count: Not currently verified

  • Drive Type: RWD

  • Vehicle Type: 1/28 Electric RWD Mini-Z Racer Car

  • Chassis: Kyosho Mini-Z MR-01 RWD Chassis

  • Era: Golden Age (1990-1999)

  • OEM / Models: Not currently verified

  • RC Model Terrain: On-Road: Mini-Z Track & Smooth Indoor Surface

This Kit Details:

  • SKU: kyo103r

  • MPN: kyo103r

  • Kit Type: Rubber Shielded Bearing Kit

  • Bearing Type: Rubber-Shielded Bearings (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

OEM / Model Code / Alias Coverage:

  • Not currently verified

Model Family Coverage:

  • Mini-Z
  • MR-01
  • Mini-Z Racer

Bearing Size Details: Not currently verified.

Product Benefits:

  • Rubber shielded bearings add sealed protection against dirt, dust, and debris for off-road, outdoor, and mixed-surface use.
  • Choose rubber shielded bearings when contamination protection matters more than the lowest possible rolling drag.

Reason to Purchase: Rubber shielded bearings are the better choice for dusty, dirty, outdoor, off-road, or debris-prone RC use because they add sealed protection compared with metal shielded bearings tuned for lower drag.

Fitment Note: This bearing kit is model-specific for the Kyosho fitment shown above. Seat bearings fully and avoid over-tightening hardware against bearing faces.

Search-Friendly Notes: Compatible Kyosho rubber shielded bearing kit for sealed drivetrain service and durability.

Rubber-Sealed Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
kyo103r
Product Brand
RCScrewZ
Shielding Type
Rubber-Sealed (Off-Road)
Sealed Bearing Status
Yes
Bearing Material
Dust-Resistant Carbon Chrome
Approximate Piece Count
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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Fits: Kyosho Mini-Z MR-01 1/28 Electric RWD Racer Car
$38.94