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 kyo129b for Kyosho Lazer ZX-5 Type 3 / Type 4 1/10 Electric 4WD Off-Road Buggy (30861, 30861T3, 30861T4) | SET

RCScrewZSKU: kyo129b

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

Fits: Kyosho Lazer ZX-5 T3/T4 1/10 Electric 4WD Buggy (30861)
OEM / model: 30861, 30861T3, 30861T4

US
Regular price
$53.67
Sale price
$53.67
Regular price
$59.95

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
Kyosho Lazer ZX-5 T3/T4 1/10 Electric 4WD Buggy (30861)
OEM / model number
30861, 30861T3, 30861T4
Kit type
Metal-Shielded Bearing Kit — Low-Drag for Cleaner Running
Scale
1:10
Power
Electric
View all verified kits for this model →
More compatibility details
RC brand
Kyosho
Vehicle class
Land
Kit SKU
kyo129b
Model series
Lazer, Lazer ZX-5, ZX-5 Type 3, ZX-5 Type 4
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:

  • 5x8x2.5mm bearings
  • 5x10x4mm bearings
  • 10x15x4mm 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
Kyosho Lazer ZX-5 T3/T4 1/10 Electric 4WD Buggy (30861)
Compatible RC Brand
Kyosho
RC Vehicle OEM / Model Number(s)
30861, 30861T3, 30861T4
RCScrewZ Kit Part Number
kyo129b

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
30861, 30861T3, 30861T4
RC Chassis Compatibility
Kyosho Lazer ZX-5 Type 3/4 Chassis (30861)
Compatible Vehicle Type
1/10 Electric 4WD Off-Road Buggy
Terrain Compatibility
Compatible Scale
1:10
Compatible Fuel Type
Electric

What Is Included

Included bearing sizes for this Metal-Shielded Bearing Kit:

  • 5x8x2.5mm bearings
  • 5x10x4mm bearings
  • 10x15x4mm 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: Kyosho

  • Fit: Model-specific fitment for Kyosho Lazer ZX-5 Type 3 / Type 4 1/10 Electric 4WD Off-Road Buggy.

  • Compatible RC Model/OEM Numbers: 30861, 30861T3, 30861T4

  • Scale: 1/10

  • Power Source / Fuel Type: Electric

  • Battery / Cell Count: Not currently verified

  • Drive Type: 4WD

  • Vehicle Type: 1/10 Electric 4WD Off-Road Buggy

  • Chassis: Kyosho Lazer ZX-5 Type 3/4 Chassis (30861)

  • Era: Modern Transition (2000-2009)

  • OEM / Models: 30861, 30861T3, 30861T4

  • RC Model Terrain: Off-Road: Dirt, Clay & Buggy Track Terrain

This Kit Details:

  • SKU: kyo129b

  • MPN: kyo129b

  • Kit Type: Metal Shielded Bearing Kit

  • Bearing Type: Metal-Shielded Bearings (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:

  • 5x8x2.5mm bearings
  • 5x10x4mm bearings
  • 10x15x4mm bearings

OEM / Model Code / Alias Coverage: 30861, 30861T3, 30861T4

Model Family Coverage: Lazer, Lazer ZX-5, ZX-5 Type 3, ZX-5 Type 4

Product Benefits:

  • Metal shielded bearings are tuned for lower rolling resistance, smooth drivetrain feel, and clean-surface running where low drag matters more than sealed contamination protection.
  • Best for cleaner running, race prep, display builds, or low-drag use where the lowest rolling resistance is preferred.

Fitment Note: Match your Kyosho model number to 30861, 30861T3, 30861T4 before ordering. This kit is model-specific and should not be assumed to fit similar Kyosho platforms unless listed.

Search-Friendly Notes: Compatible Kyosho Kyosho Lazer ZX-5 T3/T4 1/10 Electric 4WD Buggy (30861); useful for RC rebuilds, maintenance, and model-specific upgrade searches.

Metal-Shielded Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
kyo129b
Product Brand
RCScrewZ
Shielding Type
Metal-Shielded (On-Road)
Sealed Bearing Status
No
Bearing Material
Carbon Chrome Bearings
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 Lazer ZX-5 T3/T4 1/10 Electric 4WD Buggy (30861)
$53.67