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Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Ultima ST EP 1/10 Electric 2WD Truck (30952); exact bearing sizes and quantities vary by RC model.

RCScrewZ Metal Shielded Bearing Kit kyo017b for Kyosho EP Ultima ST Racing Sports 1/10 Electric 2WD Stadium Truck (30952) | RCX

RCScrewZ

SKU: kyo017b

Regular price
$38.94
Sale price
$38.94
Regular price
$43.95
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Available Quantity: 100

Free shipping on all U.S. orders (USPS Priority Mail).
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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).
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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 ST Racing Sports EP (#30952) — Compatible Kits by RCScrewZ (Screws & Bearings)

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 ST EP 1/10 Electric 2WD Truck (30952)
  • Scale: 1:10
  • Power Source / Fuel Type: Electric
  • Chassis: Kyosho EP Ultima ST Racing Sports molded chassis (30952)
  • Era: Modern Transition (2000-2009)
  • OEM / Models: 30952
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 ST EP 1/10 Electric 2WD Truck (30952)
  • Compatible RC Model Numbers: 30952
  • Scale: 1:10
  • Power Source / Fuel Type: Electric
  • Vehicle Type: 1/10 Electric 2WD Stadium Truck
  • Chassis: Kyosho EP Ultima ST Racing Sports molded chassis (30952)
  • Era: Modern Transition (2000-2009)
  • RC Model Terrain: Off-Road: Dirt, Clay & Loose Surfaces

This Kit Details

  • SKU: kyo017b
  • MPN: kyo017b
  • Product: Performance RC Bearing Rebuild 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: 4x8x3mm bearings · 5x10x4mm bearings · 10x15x4mm bearings
  • 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 ST EP 1/10 Electric 2WD Truck (30952)
Compatible RC Brand
Kyosho
RC Vehicle OEM / Model Number(s)
30952
RCScrewZ Kit Part Number
kyo017b

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
30952
RC Chassis Compatibility
Kyosho EP Ultima ST Racing Sports molded chassis (30952)
Compatible Vehicle Type
1/10 Electric 2WD Stadium Truck
Terrain Compatibility
Compatible Scale
1:10
Compatible Fuel Type
Electric

What Is Included

Included bearing sizes for this Metal-Shielded Bearing Kit:

  • 4x8x3mm 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 EP Ultima ST Racing Sports.

  • Compatible RC Model/OEM Numbers: Kyosho EP Ultima ST Racing Sports (30952)

  • Scale: 1/10

  • Power Source / Fuel Type: Electric

  • Battery / Cell Count: Not currently verified.

  • Drive Type: 2WD

  • Vehicle Type: 1/10 Electric 2WD Stadium Truck

  • Chassis: Kyosho EP Ultima ST Racing Sports molded chassis (30952)

  • Era: Modern Transition (2000-2009)

  • OEM / Models: 30952

  • RC Model Terrain: Off-Road: Dirt, Clay & Loose Surfaces

This Kit Details:

  • SKU: kyo017b

  • MPN: kyo017b

  • 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

  • Bearing Size Details: 4x8x3mm bearings; 5x10x4mm bearings; 10x15x4mm bearings

  • Product Material: Carbon Chrome Steel Bearings

  • Product Color: Silver

OEM / Model Code / Alias Coverage:

Compatible with Kyosho OEM/model number 30952. Use the OEM/model number in your manual, box, or chassis paperwork to confirm fitment before ordering.

Model Family Coverage:

Ultima, Ultima ST, EP Ultima ST Racing Sports

Product Benefits:

  • Metal shielded bearings are tuned for lower rolling resistance and smoother drivetrain rotation on cleaner surfaces.

  • Best choice for on-road, carpet, display builds, light-duty use, or racers who prefer low-drag performance over maximum contamination protection.

  • Maintenance tip: clean and re-oil metal shielded bearings regularly for best performance.

Fitment Note:

This is a model-specific RCScrewZ kit for Kyosho EP Ultima ST Racing Sports (30952). It is not a random assortment and should be matched to the exact Kyosho OEM/model number before purchase.

Search-Friendly Notes:

Helpful search phrases: Kyosho EP Ultima ST Racing Sports, Kyosho EP Ultima ST Racing Sports, 30952, RCScrewZ Metal Shielded Bearing Kit, Kyosho RC parts.

Metal-Shielded Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
kyo017b
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 ST EP 1/10 Electric 2WD Truck (30952)
$38.94
Back to Kyosho Ultima ST Racing Sports EP (#30952) — Compatible Kits by RCScrewZ (Screws & Bearings)

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