YOKOMO BD5/BD7 44mm Precision Swing Shaft YO-02A by 3Racing  [YO-02A]

YOKOMO BD5 / BD7 44mm Swing Shaft - Heavy Duty - 3Racing YO-02A
Price:
USD$6.30
Brand:
3Racing
Model:
YO-02A
Condition:
Brand New
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44mm precision swing shaft for BD5/BD7 setups

This 44mm swing shaft is supplied as a heavy duty replacement targeted at YOKOMO BD5 and BD7 1/10 on-road chassis. It is intended to increase driveline robustness in higher load or competitive use while remaining a direct swap for the stock swing shaft.

Installation notes: the shaft locates into the original steering and suspension carrier and shares the BD5 and BD7 mounting points and hardware. During installation verify shaft seating, driveline alignment, axial clearance and correct 走珠軸承 (ball bearing) placement before applying final torque values.

Tuning role: fitting a heavier-duty 44mm swing shaft reduces flex under increased torque, improving drivetrain predictability during hard acceleration and corner exits. Use this upgrade as part of a structured setup process and confirm changes with measured test laps.

What checks are critical after fitting the shaft?

Confirm axial and radial bearing fit, driveline alignment and that the carrier pivots operate freely with no binding before finalising assembly.

Should I re-evaluate gearing after this upgrade?

Evaluate gearing and diff settings during test runs since reduced shaft flex can change how power is delivered to the tyres under acceleration.

Is special lubrication required for bearings when installing?

Use the recommended bearing lubricant for your race class and ensure bearings are free of grit before assembly; avoid excess grease that can attract debris.