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Representative image of an RCScrewZ rubber-sealed bearing kit for Kyosho Inferno MP9 TKI2 1/8 Nitro 4WD Buggy (31785); exact bearing sizes and quantities vary by RC model.

Upgrade Your RC Car with Rubber Shielded Bearings for Kyosho Inferno MP9 TKI2 | kyo133r - High Performance Upgrade | Durable & Reliable - by J-M SUPPLIES

Infographic: 'Choose Wisely for Your Need for Speed' – Highlights Metal Shielded Bearings as the top choice for unbeatable on-road RC car performance -

Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles -

Infographic: 'What Matters Most to You? Performance on the Streets or Durability in the Dirt?' – Guides on selecting bearings to match your RC lifestyle, highlighting the importance of choosing based on whether your focus is speed on paved roads or resilience in off-road conditions - kyo133r

Infographic: 'Need Bearings? How to Check Your RC's Bearings for Replacement' – Instructions to remove, clean, and inspect bearings for gritty texture or improper movement, indicating the need for replacement - kyo133r

Step-by-Step Guide: Checking RC Bearings. 2. Assess if bearings feel gritty or aren't spinning freely. 3. Non-free spinning bearings impair RC performance. 4. Bearings not spinning freely may need replacement - kyo133r

RCScrewZ and J-M SUPPLIES offer high-quality RC bearing kits, available as metal shielded or rubber sealed options, suitable for diverse RC needs - kyo133r

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Infographic on RCScrewZ Bearing Kits: Highlights features of both metal and rubber shielded bearing kits, detailing high-quality components suitable for various RC models. Covers standard, flanged, one-way, and thrust bearings included in kits, with extra spares. Explains the shielding and performance benefits of each type, tailored for specific RC model needs - kyo133r

Infographic reminder: Refer to the item description for more detailed information about the product - kyo133r

Notice: Check the product description for detailed information on the specific bearing sizes included in this bearing kit - kyo133r

Why Choose This Kit

Key features and intended use for this kit.

Shield type

Rubber-Sealed (Off-Road)

Protection focus

Sealed against dirt & splash

Best suited for

Off-road / dirty conditions

Rubber-Shielded Bearings

RCScrewZ Rubber Shielded Bearing Kit kyo133r for Kyosho Inferno MP9 TKI2 1/8 Nitro GP 4WD Off-Road Competition Buggy (31785) | SET

Name: RCScrewZ Rubber Shielded Bearing Kit kyo133r for Kyosho Inferno MP9 TKI2 1/8 Nitro GP 4WD Off-Road Competition Buggy (31785) | SET
Brand: RCScrewZ
SKU: kyo133r
Price: 53.67 USD
Availability: InStock

RCScrewZSKU: kyo133r

Rubber-shielded bearings for land-based RC use where added protection from dust, dirt, sand, and mud is preferred.

Fits: Kyosho Inferno MP9 TKI2 1/8 Nitro 4WD Buggy (31785)
OEM / model: 31785

Regular price: $53.67
Sale price: $53.67
Regular price: ~~$59.95~~
Unit price: per

In stock

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Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.

RC model: Kyosho Inferno MP9 TKI2 1/8 Nitro 4WD Buggy (31785)
OEM / model number: 31785

Kit type: Rubber-Shielded Bearing Kit — Sealed for Off-Road Protection
Scale: 1:8
Power: Nitro & Glow Fuel

View all verified kits for this model →

More compatibility details

RC brand: Kyosho
Vehicle class: Land
Kit SKU: kyo133r
Model series: Inferno, Inferno MP9, MP9 TKI2

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 1–2 business days (Mon–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 2–3 business days (estimates; not guaranteed).

Easy 30-day returns with prepaid USPS label; refunds issued within 3 business days after the return is received.

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 Inferno MP9 TKI2 1/8 Nitro 4WD Buggy (31785)
Compatible RC Brand: Kyosho
RC Vehicle OEM / Model Number(s): 31785
RCScrewZ Kit Part Number: kyo133r

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s): 31785
RC Chassis Compatibility: Kyosho Inferno MP9 TKI2 Competition Chassis (31785)
Compatible Vehicle Type: 1/8 Nitro 4WD Off-Road Competition Buggy
Terrain Compatibility
Compatible Scale: 1:8
Compatible Fuel Type: Nitro & Glow Fuel

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 Inferno MP9 TKI2 1/8 Nitro GP 4WD Off-Road Competition Buggy.
Compatible RC Model/OEM Numbers: 31785
Scale: 1/8
Power Source / Fuel Type: Nitro
Battery / Cell Count: Not applicable
Drive Type: 4WD
Vehicle Type: 1/8 Nitro 4WD Off-Road Competition Buggy
Chassis: Kyosho Inferno MP9 TKI2 Competition Chassis (31785)
Era: Contemporary Era (2010-2019)
OEM / Models: 31785
RC Model Terrain: Off-Road: Dirt, Clay & Competition Buggy Track

This Kit Details:

SKU: kyo133r
MPN: kyo133r
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: 31785

Model Family Coverage: Inferno, Inferno MP9, MP9 TKI2

Product Benefits:

Rubber shielded bearings add sealed protection against dirt, dust, and debris for off-road, outdoor, and mixed-surface RC use.
Best for outdoor, dusty, dirty, and debris-prone conditions where added contamination protection is more important than the lowest possible drag.

Reason to Purchase:

Choose rubber shielded bearings when you want sealed protection against dirt, dust, and debris for off-road or mixed-surface driving compared with metal shielded bearings tuned for lower drag.

Fitment Note: Match your Kyosho model number to 31785 before ordering. This kit is model-specific and should not be assumed to fit similar Kyosho platforms unless listed.

Search-Friendly Notes: Compatible Kyosho Kyosho Inferno MP9 TKI2 1/8 Nitro 4WD Buggy (31785); useful for RC rebuilds, maintenance, and model-specific upgrade searches.