Here you have a BSA swinging arm fork spindle made of solid stainless steel.

Made as a replacement for the original part, this part includes the washer and nyloc nut (lock nut) as originally fitted.

This part connects the swinging arm to the frame of the bike located just behind the gearbox, This is the solid type swing arm spindle for swing arm bikes with QD rear wheels.

This part comes as:

1 X 42-4112 - Spindle

1 X 42-4117 - Washer 

1 X 42-4116 - Nut

Part size for approximate reference only:

Spindle length (UH): 10" 3/4'

Spindle diameter: 5/8"

These will fit the following swinging arm models with a QD rear wheel:

A7,A10,B31,B33,Gold Star and Rocket Gold Star (RGS)

This part may fit other models but please check your part number.


This item is made using CNC manufacturing in England by CPC Engineering with high-quality stainless steel.

42-4112 - Swing arm fork spindle (solid)

  • £38.40

  • Ex Tax: £32.00

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42-4116 - Swinging arm Nyloc nut

42-4116 - Swinging arm Nyloc nut

Here you have a BSA swinging arm spindle nyloc / lock nut made of solid stainless ste..

£9.60 Ex Tax: £8.00

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