Shield type
Rubber-Sealed (Off-Road)
SAVE
$6.28
$6.28
Why Choose This Kit
Key features and intended use for this kit.
Protection focus
Sealed against dirt & splash
Best suited for
Off-road / dirty conditions
Rubber-Shielded Bearings
RCScrewZ Rubber Shielded Bearing Kit kyo125r for Kyosho Ultima SC Readyset 1/10 Electric 2WD Short Course Truck (30855) | SET
Rubber-shielded bearings for land-based RC use where added protection from dust, dirt, sand, and mud is preferred.
Fits: Kyosho Ultima SC Readyset 1/10 Electric 2WD SCT (30855)
OEM / model: 30855
US
- Regular price
- $53.67
- Sale price
- $53.67
- Regular price
-
$59.95
In stock
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 Ultima SC Readyset 1/10 Electric 2WD SCT (30855)
- OEM / model number
- 30855
- Kit type
- Rubber-Shielded Bearing Kit β Sealed for Off-Road Protection
- Scale
- 1:10
- Power
- Electric
More compatibility details
- RC brand
- Kyosho
- Vehicle class
- Land
- Kit SKU
- kyo125r
- Model series
- Ultima, Ultima SC, Short Course
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 assigned to 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
Installation & Model NotesInstallation, cleaning, inspection, and model-specific guidance.
Seat bearings fully and squarely. Do not force them into the housing or overtighten the hardware that retains them.
After dusty, muddy, or wet runs, clean the bearing exterior and dry it thoroughly.
Inspect the bearings for roughness, binding, noise, or excessive play before reuse; service or replace them as needed.
Details & Support
Kit Details Rubber-sealed protection for off-road, dusty, dirty, and muddy running conditions.
- Seal Type
- Rubber-Sealed Bearings
- Protection Priority
- Improved protection against dirt and splash; not waterproof
- Best For
- Off-road use, dust, dirt, sand, mud, and lower-maintenance protection
- Performance Tradeoff
- Protection is prioritized over the lowest possible drag
- Not Ideal For
- Clean, dry on-road or prepared-surface use when lower drag is the priority
- Prefer Metal-Shielded?
- Choose Metal-Shielded bearings for cleaner on-road or prepared surfaces when lower drag is the priority.
Shipping & Returns Handling time, current delivery estimate, and return policy.
Free shipping on all U.S. orders (USPS Priority Mail).
Ships within 1β2 business days (MonβFri); 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 2β3 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) β 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 Ultima SC Readyset 1/10 Electric 2WD SCT (30855)
- Compatible RC Brand
- Kyosho
- RC Vehicle OEM / Model Number(s)
- 30855
- RCScrewZ Kit Part Number
- kyo125r
Vehicle Compatibility Details
Review these vehicle details to help confirm compatibility with your RC model.
- RC Vehicle OEM / Model Number(s)
- 30855
- RC Chassis Compatibility
- Kyosho Ultima SC Chassis (30855)
- Compatible Vehicle Type
- 1/10 Electric 2WD Short Course Truck
- Terrain Compatibility
- Compatible Scale
- 1:10
- Compatible Fuel Type
- Electric
What Is Included
Included bearing sizes for this Rubber-Sealed 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
Rubber Shielded Bearing Kit Compatibility:
Quick Fit Summary:
Compatible Brand: Kyosho
Fit: Model-specific fitment for Kyosho Ultima SC Readyset 1/10 Electric 2WD Short Course Truck.
Compatible RC Model/OEM Numbers: 30855
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified
Drive Type: 2WD
Vehicle Type: 1/10 Electric 2WD Short Course Truck
Chassis: Kyosho Ultima SC Chassis (30855)
Era: Contemporary Era (2010-2019)
OEM / Models: 30855
RC Model Terrain: Off-Road: Dirt, Clay & Short Course Track
This Kit Details:
SKU: kyo125r
MPN: kyo125r
Kit Type: Rubber Shielded Bearing Kit
Bearing Type: Rubber-Shielded Bearings (Off-Road / Sealed)
Sealed Bearings: Yes
Water/Dust Protection: Sealed protection against dirt, dust, and debris
Product Material: Carbon Chrome Steel Bearings
Product Color: Silver
Bearing Size Details: Not currently verified.
OEM / Model Code / Alias Coverage: 30855
Model Family Coverage: Ultima, Ultima SC, Short Course
Product Benefits:
- Rubber shielded bearings add sealed protection against dirt, dust, and debris.
- Good choice for outdoor, dusty, mixed-surface, off-road, or storage conditions where protection matters more than the lowest possible drag.
- Seat bearings fully and avoid over-tightening around bearing-supported parts.
Reason to Purchase:
- Choose rubber shielded bearings when you want added contamination protection compared with metal shielded bearings tuned mainly for lower rolling resistance.
Fitment Note: This kit is intended only for the Kyosho model family and OEM/model codes listed here. Match your chassis and model number before ordering.
Search-Friendly Notes: Compatible Kyosho RC maintenance parts for Kyosho Ultima SC Readyset screw kit and bearings.
Rubber-Sealed Bearing Kit Details
Review the bearing-kit details below before ordering.
- RCScrewZ Kit Part Number
- kyo125r
- Product Brand
- RCScrewZ
- Shielding Type
- Rubber-Sealed (Off-Road)
- Sealed Bearing Status
- Yes
- Bearing Material
- Dust-Resistant Carbon Chrome
- 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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Customer Reviews
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For Kyosho Ultima SC Readyset 1/10 Electric 2WD SCT (30855) OEM/model: 30855
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Fits: Kyosho Ultima SC Readyset 1/10 Electric 2WD SCT (30855)
$53.67