BSA STD BAK

This gearbox was used in all swinging arm frame BSA's, B31, B33, A7 and A10. It is very similar to the RRT2 gearbox as used in the Goldstars.

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GEARBOX ADJUSTER NUT
15-5664
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M20/21, B31/33 rigid and plunger frame,
B31/33 rigid, plunger and swinging frame
A7/10 plunger and swinging arm frame

BALL BEARING SLEEVE PINION

24-4065
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Sleeve pinion, high gear or fourth gear on most 350-650 BSA's with separate gearbox.
Bearing type 6207 or LJ35
35 x 72 x 17mm

TABWASHER
24-4263
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Tabwasher for the sprocket on the gearbox.

CHEESEHEAD SCREW 5/16CEI X 7/16"
24-7178
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bsaschroefinspectiedeksel_000
Low head. This special screw is used under kneegrips and for gearbox inspection covers.

SCREW INSPECTION COVER GEARBOX
27-4258
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SLEEVE NUT OUTER COVER
27-4401
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Special nut 1/4CEI.

KICKSTART BOLT
29-5156
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Chrome plated

GEARLEVER
42-3017
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Fits most BSA's pre 1963
Nice British Made lever.

GEARLEVER
42-3017E
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Good chrome lever Made in India
Fits most BSA's pre 1963

CLUTCH HUB
42-3107E
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New old stock that has been zinc plated.

KICKSTART SHAFT

42-3160
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All A7/10 and B31/33 models. For Goldstar order 42-3163.

TRIUMPH/BSA CLUTCH ADAPTOR
42-3170
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BSA part to fit a Triumph type clutch on a STD box.
EXTRACTOR see GER127