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Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Nexus 30 S Nitro Helicopter (21702, 21705); exact bearing sizes and quantities vary by RC model.

RCScrewZ Metal Shielded Bearing Kit kyo053b for Kyosho Nexus 30 S Nitro RC Helicopter (21702, 21705) | RCX

RCScrewZ

SKU: kyo053b

Regular price
$69.88
Sale price
$69.88
Regular price
$79.95
Shipping, stock & payment info
Quick snapshot of availability, estimated delivery, and our shipping/returns.

Available Quantity: 98

Free shipping on all U.S. orders (USPS Priority Mail).
Ships within 1โ€“2 business days (Monโ€“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 2โ€“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 โ€” view all compatible Screw and Bearing kits for this RC model by clicking this link:

Kyosho Nexus 30 S Nitro Helicopter (21702, 21705) โ€” 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 Nexus 30 S Nitro Helicopter (21702, 21705)
  • Scale: 1:7
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Chassis: Kyosho Nexus 30 S nitro helicopter airframe (21702, 21705)
  • Era: Golden Age (1990-1999)
  • OEM / Models: 21702, 21705
Quick Fit Summary โ€” Full Details

Quick Fit Summary

Key fit details for your RC model, plus whatโ€™s in this kit.

RC Model Fit & Specs

  • Compatible Brand: Kyosho
  • Fit: Kyosho Nexus 30 S Nitro Helicopter (21702, 21705)
  • Compatible RC Model Numbers: 21702 ยท 21705
  • Scale: 1:7
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Vehicle Type: Nitro RC Helicopter
  • Chassis: Kyosho Nexus 30 S nitro helicopter airframe (21702, 21705)
  • Era: Golden Age (1990-1999)
  • RC Model Terrain: Aerial: RC Helicopter Flight

This Kit Details

  • SKU: kyo053b
  • MPN: kyo053b
  • Product: Precision Onroad Bearing 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: 3x6x2.5mm bearings ยท 3x6x2.5mm flanged bearings ยท 3x8x4mm bearings ยท 5x10x4mm bearings ยท 5x13x4mm bearings ยท 5x16x5mm bearings ยท 6x10x3mm bearings ยท 6x12x4mm bearings ยท 8x12x3.5mm bearings ยท 8x14x4mm bearings ยท 8x16x5mm bearings ยท 10x15x4mm bearings ยท 12x21x5mm bearings
  • Tips: Seat fully ยท Do not over-tighten ยท After cleaning: add light oil
  • Install: โ‰ˆ60 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 Nexus 30 S Nitro Helicopter (21702, 21705)
Compatible RC Brand
Kyosho
RC Vehicle OEM / Model Number(s)
21702, 21705
RCScrewZ Kit Part Number
kyo053b

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
21702, 21705
RC Chassis Compatibility
Kyosho Nexus 30 S nitro helicopter airframe (21702, 21705)
Compatible Vehicle Type
Nitro RC Helicopter
Terrain Compatibility
Compatible Scale
1:7
Compatible Fuel Type
Nitro & Glow Fuel

What Is Included

Included bearing sizes for this Metal-Shielded Bearing Kit:

  • 3x6x2.5mm bearings
  • 3x6x2.5mm flanged bearings
  • 3x8x4mm bearings
  • 5x10x4mm bearings
  • 5x13x4mm bearings
  • 5x16x5mm bearings
  • 6x10x3mm bearings
  • 6x12x4mm bearings
  • 8x12x3.5mm bearings
  • 8x14x4mm bearings
  • 8x16x5mm bearings
  • 10x15x4mm bearings
  • 12x21x5mm bearings

What Is Not Included

Only the bearings identified in the included-bearing-size list are part of this kit.ย 

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 Nexus 30 S.

  • Compatible RC Model/OEM Numbers: Kyosho Nexus 30 S (21702, 21705)

  • Scale: 1/7

  • Power Source / Fuel Type: Nitro

  • Battery / Cell Count: Not applicable - nitro powered.

  • Drive Type: Main rotor drive

  • Vehicle Type: Nitro RC Helicopter

  • Chassis: Kyosho Nexus 30 S nitro helicopter airframe (21702, 21705)

  • Era: Golden Age (1990-1999)

  • OEM / Models: 21702, 21705

  • RC Model Terrain: Aerial: RC Helicopter Flight

This Kit Details:

  • SKU: kyo053b

  • MPN: kyo053b

  • 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: 3x6x2.5mm bearings, 3x6x2.5mm flanged bearings, 3x8x4mm bearings, 5x10x4mm bearings, 5x13x4mm bearings, 5x16x5mm bearings, 6x10x3mm bearings, 6x12x4mm bearings, 8x12x3.5mm bearings, 8x14x4mm bearings, 8x16x5mm bearings, 10x15x4mm bearings, 12x21x5mm bearings

OEM / Model Code / Alias Coverage:

Kyosho Nexus 30 S (21702, 21705). Verify the OEM/model number in your manual, box, or chassis paperwork to confirm fitment before ordering.

Model Family Coverage:

Nexus, Nexus 30, Nexus 30 S

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 Nexus 30 S. Match your Kyosho OEM/model number or model series to 21702, 21705 before ordering.

Search-Friendly Notes:

Common buyer searches include Kyosho Nexus 30 S parts, Kyosho Nexus 30 S screw kit, Kyosho Nexus 30 S bearings, and Kyosho RC replacement hardware.

Metal-Shielded Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
kyo053b
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.ย 

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

Fits: Kyosho Nexus 30 S Nitro Helicopter (21702, 21705)
$69.88
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