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Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B); exact bearing sizes and quantities vary by RC model.

RCScrewZ Metal Shielded Bearing Kit kyo178b for Kyosho Ultima RB6.6 1/10 Electric 2WD Off-Road Competition Buggy (34310B) | RCX

RCScrewZ

SKU: kyo178b

Regular price
$53.67
Sale price
$53.67
Regular price
$59.95
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Quick snapshot of availability, estimated delivery, and our shipping/returns.

Available Quantity: 100

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.

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This page shows the Metal-Shielded Bearing Kit for this RC model — view all compatible Screw and Bearing kits for this RC model by clicking this link:

Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B) — Find Compatible Stainless Screw & Bearing Kits

Pro tip: Most builders grab a Stainless Screw Kit and a Bearing Kit for this RC model so everything wears evenly.

Quick Fit Summary
  • Compatible Brand: Kyosho
  • RC Model: Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B)
  • Scale: 1:10
  • Power Source / Fuel Type: Electric
  • Chassis: Kyosho Ultima RB6.6 2WD Buggy Chassis (34310B)
  • Era: Contemporary Era (2010-2019)
  • OEM / Models: 34310B
Quick Fit Summary — Full Details

Quick Fit Summary

Key fit details for your RC model, plus what’s in this kit.

RC Model Fit & Specs

  • Compatible Brand: Kyosho
  • Fit: Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B)
  • Compatible RC Model Numbers: 34310B
  • Scale: 1:10
  • Power Source / Fuel Type: Electric
  • Vehicle Type: 1/10 Electric 2WD Off-Road Competition Buggy
  • Chassis: Kyosho Ultima RB6.6 2WD Buggy Chassis (34310B)
  • Era: Contemporary Era (2010-2019)
  • RC Model Terrain: Off-Road: Dirt, Clay & Carpet Tracks

This Kit Details

  • SKU: kyo178b
  • MPN: kyo178b
  • Product: Track Racing Bearing Upgrade Kit
  • Bearing Type: Metal-Shielded (On-Road)
  • Sealed Bearings: No
  • Water/Dust Protection: Low-drag, not sealed
  • Product Material: Carbon Chrome Bearings
  • Product Color: Silver
  • Bearing Sizes Included: 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!
  • Tips: Seat fully · Do not over-tighten · After cleaning: add light oil
  • Install: ≈60 min; recheck torque after first run
  • Country of Origin: United States
Full Product Description

Exact RC Model Fitment

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

Compatible RC Model
Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B)
Compatible RC Brand
Kyosho
RC Vehicle OEM / Model Number(s)
34310B
RCScrewZ Kit Part Number
kyo178b

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
34310B
RC Chassis Compatibility
Kyosho Ultima RB6.6 2WD Buggy Chassis (34310B)
Compatible Vehicle Type
1/10 Electric 2WD Off-Road Competition Buggy
Terrain Compatibility
Compatible Scale
1:10
Compatible Fuel Type
Electric

What Is Included

Included bearing sizes for this Metal-Shielded 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

Metal Shielded Bearing Kit Compatibility:

Quick Fit Summary:

  • Compatible Brand: Kyosho

  • Fit: Model-specific fitment for Kyosho Ultima RB6.6, OEM model 34310B.

  • Compatible RC Model/OEM Numbers: 34310B

  • Scale: 1/10

  • Power Source / Fuel Type: Electric

  • Battery / Cell Count: Not currently verified

  • Drive Type: 2WD

  • Vehicle Type: Off-Road Competition Buggy

  • Chassis: Kyosho Ultima RB6.6 2WD Buggy Chassis (34310B)

  • Era: Contemporary Era (2010-2019)

  • OEM / Models: 34310B

  • RC Model Terrain: Off-Road: Dirt, Clay & Carpet Tracks

This Kit Details:

  • SKU: kyo178b

  • MPN: kyo178b

  • 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:

Bearing Size Details: Not currently verified.

OEM / Model Code / Alias Coverage: 34310B

Model Family Coverage: Ultima, Ultima RB6.6, RB6.6

Release / Reference Year: 2016 RB6.6 platform reference

Product Benefits:

  • Metal shielded bearings are best for cleaner running, display builds, light-duty use, or buyers who prefer lower rolling resistance.
  • Helps reduce friction for smoother drivetrain performance on clean surfaces.

Fitment Note: Confirm your Kyosho OEM/model number matches 34310B before ordering. This is a model-specific RCScrewZ kit, not a generic assortment.

Search-Friendly Notes: Compatible with Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B) for Kyosho RC rebuilds, repairs, maintenance, and upgrades.

Metal-Shielded Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
kyo178b
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.

Fits: Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B)
$53.67
Back to Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B) — Find Compatible Stainless Screw & Bearing Kits

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