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Representative image of an RCScrewZ rubber-sealed bearing kit for Team Associated TC7.1 FT 1/10 4WD Touring Car (30121); exact bearing sizes and quantities vary by RC model.
Upgrade Your RC Car with Rubber Shielded Bearings for Associated TC7.1 FT 30121 | ass078r - 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: 'Choose Wisely for Your Need for Speed' – Highlights Metal Shielded Bearings as the top choice for unbeatable on-road RC car performance - ass078r
Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles - ass078r
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 - ass078r
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 - ass078r
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 - ass078r
RCScrewZ and J-M SUPPLIES offer high-quality RC bearing kits, available as metal shielded or rubber sealed options, suitable for diverse RC needs - ass078r
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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 - ass078r
Infographic reminder: Refer to the item description for more detailed information about the product - ass078r
Infographic reminder: Refer to the item description for more detailed information about the product - ass078r
Notice: Check the product description for detailed information on the specific bearing sizes included in this bearing kit - ass078r

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 ass078r for Team Associated RC10TC7.1 Factory Team Kit 1/10 Electric 4WD On-Road Touring Car (#30121) | SET

RCScrewZSKU: ass078r

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

Fits: Team Associated TC7.1 FT 1/10 4WD Touring Car (30121)
OEM / model: 30121

US
Regular price
$53.67
Sale price
$53.67
Regular price
$59.95

In stock

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

Exact model check

Confirm This Fits Your RC

Match the RC model and OEM/model number below before ordering.

RC model
Team Associated TC7.1 FT 1/10 4WD Touring Car (30121)
OEM / model number
30121
Kit type
Rubber-Shielded Bearing Kit β€” Sealed for Off-Road Protection
Scale
1:10
Power
Electric
View all verified kits for this model β†’
More compatibility details
RC brand
Team Associated
Vehicle class
Land
Kit SKU
ass078r
Model series
RC10TC7.1, TC7.1, Factory Team
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) 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
Team Associated TC7.1 FT 1/10 4WD Touring Car (30121)
Compatible RC Brand
Team Associated
RC Vehicle OEM / Model Number(s)
30121
RCScrewZ Kit Part Number
ass078r

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
30121
RC Chassis Compatibility
Team Associated RC10TC7.1 Factory Team Touring Chassis (30121)
Compatible Vehicle Type
1/10 Electric 4WD On-Road Touring Car
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:

Model-specific fitment for the Team Associated RC10TC7.1 Factory Team Kit 1/10 Electric 4WD On-Road Touring Car, OEM model 30121.

Quick Fit Summary:

  • Compatible Brand: Team Associated
  • Fit: Model-specific fitment for Team Associated RC10TC7.1 Factory Team Kit
  • Compatible RC Model/OEM Numbers: 30121
  • Scale: 1/10
  • Power Source / Fuel Type: Electric
  • Battery / Cell Count: Not currently verified.
  • Drive Type: 4WD
  • Vehicle Type: On-Road Touring Car
  • Chassis: Team Associated RC10TC7.1 Factory Team Touring Chassis
  • Era: Contemporary Era (2010-2019)
  • OEM / Models: 30121
  • RC Model Terrain: On-Road: Carpet & Smooth Asphalt

This Kit Details:

  • SKU: ass078r
  • MPN: ass078r
  • 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:

Verified OEM/model coverage used for this listing: 30121. Model family terms include RC10TC7.1, TC7.1, Factory Team.

Model Family Coverage:

Configured for the Team Associated RC10TC7.1 Factory Team Kit; do not assume fitment with nearby Team Associated variants unless your OEM/model number matches this listing.

Product Benefits:

  • Rubber shielded bearings add sealed protection against dirt, dust, and debris for RC driving and maintenance.
  • Ideal when protection matters more than the lowest possible rolling drag.

Reason to Purchase:

Choose rubber shielded bearings for dusty, dirty, clay, parking-lot, outdoor, or mixed-surface running because they add contamination protection compared with metal shielded bearings tuned for lower drag.

Fitment Note:

Match your vehicle model number to 30121 before ordering. This listing is for the product type shown above and is not a universal RC hardware or bearing assortment.

Search-Friendly Notes:

Useful search phrases include Team Associated TC7.1 FT, Associated TC7.1 FT parts, TC7.1 FT screw kit, TC7.1 FT bearings, and OEM 30121.

Release Date: Release / Announcement Year: 2016

Rubber-Sealed Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
ass078r
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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Stainless Screw Kit

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Current price: $33.97 Compare-at price: $34.95 Save $0.98 In stock View Stainless Screw Kit

Metal-Shielded Bearing Kit

For Team Associated TC7.1 FT 1/10 4WD Touring Car (30121) OEM/model: 30121
Current price: $53.67 Compare-at price: $59.95 Save $6.28 In stock View Metal-Shielded Kit
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Fits: Team Associated TC7.1 FT 1/10 4WD Touring Car (30121)
$53.67