Mugen® Athlete Upgrade Replacement RC Car Parts

A selection of replacement parts for Mugen®. These parts are not original parts unless otherwise stated in the descriptions. Please check your choices thoroughly.

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Replacement Parts Price Quantity
Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 5-10-4
Replacement Bearing - Standard Flanged Bearing Shielded Option
Double shielded flanged bearing

FMR105A-ZZ-MC3 (Each)
Double shielded flanged bearing

Single Row Ball Bearings - 5x10x4 mm Flanged - Chrome Steel SAE 52100 Bearing

$7.05
154 Available Now -> Orders for more than 154 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 5-10-4
BB 5-10-4
Bearing - Standard Bearing
Bearing - Standard Bearing Shielded Option
Double shielded standard bearing

MR105A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 5x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.77
419 Available Now -> Orders for more than 419 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
BB 6-10-3
BB 6-10-3
Bearing - Economy Bearing
Bearing - Economy Bearing Shielded Option
Double shielded economy bearing

MR106A-ZZS-ECO (PK-10)
Double shielded economy bearing

Single Row Ball Bearings - 6x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$10.32
22 (220 pcs) Available Now -> Orders for more than 22 can be expected around Jul 02, 2026
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