BSA 4 Speed Sleeve Gear Kit G4A replaces 57-3872 and 41-3061  22T (needle roller) PES

Mainshaft Top Gear  22 Teeth

Fits BSA B50 standard BSA 4 speed gearbox but but the added bonus of not needing the support bushes 

This is one of our precision sleeve gears.
 
It is sold complete so ready to fit, already has the needle roller bearings, spacer and bearing retainer.
 
Also comes with nut. Saves having to trawl through the parts book for all the different numbers.
 
Machined in house and heat treated to the correct specification.
 
Many people ask about the bronze washer.
This is a safety feature and the curved face goes towards the mainshaft.
Don't fit any other washers or spacers.
BSA 4 Speed Sleeve Gear Kit G4A replaces 57-3872 22T (needle roller) PES

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