Shield type
Metal-Shielded (On-Road)
SAVE
$10.07
$10.07
Why Choose This Kit
Key features and intended use for this kit.
Performance focus
Low-drag, not sealed
Best suited for
Clean operating conditions
Metal-Shielded Bearings22+ Pieces
RCScrewZ Metal Shielded Bearing Kit kyo063b for Kyosho Caliber 30 Nitro RC Helicopter (21135, 21137) | SET
Model-specific metal-shielded bearings for smooth, low-drag rotation in this RC helicopter, intended for clean operating conditions.
Fits: Kyosho Caliber 30 1/7 Nitro RC Helicopter (21135, 21137)
OEM / model: 21135, 21137
US
- Regular price
- $69.88
- Sale price
- $69.88
- Regular price
-
$79.95
In stock
Included Bearings
Bearing sizes
- 3x7x3mm bearings
- 5x10x4mm bearings
- 6x10x3mm bearings
- 6x12x4.5mm thrust bearings
- 6x13x5mm bearings
- 8x16x5mm bearings
- 10x19x5mm bearings
- 20x32x7mm bearings
Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.
Confirm This Fits Your RC
Match the RC model and OEM/model number below before ordering.
- RC model
- Kyosho Caliber 30 1/7 Nitro RC Helicopter (21135, 21137)
- OEM / model number
- 21135, 21137
- Kit type
- Metal-Shielded Bearing Kit — Low-Drag for Cleaner Running
- Piece count
- 22+ Pieces
- Scale
- 1:7
- Power
- Nitro & Glow Fuel
More compatibility details
- RC brand
- Kyosho
- Vehicle class
- Helicopter
- Kit SKU
- kyo063b
- Model series
- Caliber, Caliber 30
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.
- Bearing sizes listed below for this model-specific 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.
Included bearing sizes for this kit:
- 3x7x3mm bearings
- 5x10x4mm bearings
- 6x10x3mm bearings
- 6x12x4.5mm thrust bearings
- 6x13x5mm bearings
- 8x16x5mm bearings
- 10x19x5mm bearings
- 20x32x7mm 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
Shipping & Returns Handling time, current delivery estimate, and return policy.
Free shipping on qualifying orders of $29 or more to the contiguous 48 states and Washington, DC; USPS Priority Mail to Alaska and Hawaii costs $5 total per order.
Standard handling: 1–2 business days, Monday–Friday.
See Shipping Policy for current destination eligibility.
Carrier delivery time is additional; estimates are 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 Caliber 30 1/7 Nitro RC Helicopter (21135, 21137)
- Compatible RC Brand
- Kyosho
- RC Vehicle OEM / Model Number(s)
- 21135, 21137
- RCScrewZ Kit Part Number
- kyo063b
Vehicle Compatibility Details
Review these vehicle details to help confirm compatibility with your RC model.
- RC Vehicle OEM / Model Number(s)
- 21135, 21137
- RC Chassis Compatibility
- Kyosho Caliber 30 helicopter (21135, 21137)
- Compatible Vehicle Type
- 1/7 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:
- 3x7x3mm bearings
- 5x10x4mm bearings
- 6x10x3mm bearings
- 6x12x4.5mm thrust bearings
- 6x13x5mm bearings
- 8x16x5mm bearings
- 10x19x5mm bearings
- 20x32x7mm 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 Caliber 30 1/7 Nitro RC Helicopter, OEM/model codes 21135, 21137.
Compatible RC Model/OEM Numbers: 21135, 21137
Scale: 1/7
Power Source / Fuel Type: Nitro & Glow Fuel
Battery / Cell Count: Not applicable - nitro powered.
Drive Type: Rotor-driven helicopter
Vehicle Type: 1/7 Nitro RC Helicopter
Chassis: Kyosho Caliber 30 helicopter (21135, 21137)
Era: Modern Transition (2000-2009)
OEM / Models: 21135, 21137
RC Model Terrain: Aerial Use
This Kit Details:
SKU: kyo063b
MPN: kyo063b
Kit Type: Metal Shielded Bearing Kit
Bearing Kit Piece Count: 22+ Pieces
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:
- 3x7x3mm bearings
- 5x10x4mm bearings
- 6x10x3mm bearings
- 6x12x4.5mm thrust bearings
- 6x13x5mm bearings
- 8x16x5mm bearings
- 10x19x5mm bearings
- 20x32x7mm bearings
OEM / Model Code / Alias Coverage:
- 21135
- 21137
Model Family Coverage: Caliber, Caliber 30
Product Benefits:
- Metal shielded bearings are tuned for low drag and smooth drivetrain feel in cleaner running conditions.
- Best for clean-surface use, race-prep, display builds, or buyers who prefer reduced rolling resistance.
Fitment Note: Confirm your Kyosho OEM/model number before ordering. Bearing sizes are included only where source-backed; otherwise they remain marked as not currently verified.
Search-Friendly Notes: Compatible Kyosho Caliber 30 parts for RC maintenance, rebuilds, restoration, and model-specific fitment lookup.
Metal-Shielded Bearing Kit Details
Review the bearing-kit details below before ordering.
- RCScrewZ Kit Part Number
- kyo063b
- Product Brand
- RCScrewZ
- Shielding Type
- Metal-Shielded (On-Road)
- Sealed Bearing Status
- No
- Bearing Material
- Carbon Chrome Bearings
- Approximate Piece Count
- 22+ Pieces
- 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 Caliber 30 1/7 Nitro RC Helicopter (21135, 21137)
$69.88