Shield type
Metal-Shielded (On-Road)
Key features and intended use for this kit.
Metal-Shielded (On-Road)
Low-drag, not sealed
Cleaner on-road / prepared surfaces
Model-specific metal-shielded bearings for smooth, low-drag operation on cleaner on-road or prepared surfaces.
Fits: Kyosho Ultima Pro XL 1/10 Electric 2WD Buggy (3117)
OEM / model: 3117, 3119
In stock
Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.
Match the RC model and OEM/model number below before ordering.
Review what is included, installation notes, shipping details, and complete kit information.
Kit Contents & Installation
Included bearing sizes for this kit:
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
Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay
Confirm the exact RC model and RC vehicle OEM/model number below before ordering.
Review these vehicle details to help confirm compatibility with your RC model.
Included bearing sizes for this Metal-Shielded Bearing Kit:
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.
Metal Shielded Bearing Kit Compatibility:
Quick Fit Summary:
Compatible Brand: Kyosho
Fit: Model-specific fitment for Kyosho Ultima Pro / Ultima Pro XL.
Compatible RC Model/OEM Numbers: 3117, 3119
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified
Drive Type: 2WD
Vehicle Type: Off-Road Buggy
Chassis: Ultima Pro / Pro XL
Era: Early Classics (1980-1989)
OEM / Models: 3117, 3119
RC Model Terrain: Off-Road: Dirt & Racing Tracks
This Kit Details:
SKU: kyo229b
MPN: kyo229b
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:
4x8x3mm bearings
5x10x4mm bearings
OEM / Model Code / Alias Coverage:
Compatible OEM/model codes for this Kyosho family: 3117, 3119.
Model Family Coverage:
Ultima, Ultima Pro, Ultima Pro XL
Product Benefits:
Metal shielded bearings are best for cleaner running, display builds, light-duty use, or lower rolling resistance.
Low-drag bearing design supports smoother drivetrain feel on cleaner surfaces.
Fitment Note:
Confirm your Kyosho model number before ordering. This kit is intended only for the listed model family and approved OEM/model codes.
Search-Friendly Notes:
Compatible with Kyosho Ultima Pro / Ultima Pro XL RC screw kit and bearing kit searches, including Ultima Pro XL replacement hardware and maintenance parts.
Review the bearing-kit details below before ordering.
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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These kits are verified for the same exact RC model and OEM/model number.