These Yokomo BB-105F-2 flanged bearings are made to fit the YZ-870C chassis with exact tolerances, cutting down on play and side-to-side movement. The 5.0x10.0x4.0mm size delivers a compact profile that sits neatly inOEM bearing seats while helping to reduce rolling resistance.
The BB-105F-2 units are manufactured for steady, low-friction performance and reliable wear characteristics. The flange keeps each bearing aligned under load, which aids stability during high-speed runs and repeated race-day use.
As straightforward replacements or straightforward upgrades, these flanged bearings help improve handling and reduce drivetrain drag on the YZ-870C. Regular replacement can decrease abrasive wear on shafts and housings, keeping your model running cleaner and smoother.
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