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Locknut, for use on BSA models: Bantam D1, D3, D7, D10, D14/4 & B175.

O.E.M: 21-5203.

Supplied: Singles


This locknut is used in various places on the above models:

D1 & D3 - Mudguard Stay Nut

D7 - Generator Nut

D10 - Gearbox

D14/4 & B175 - Silencer.

5/16" BSF Locknut. 21-5203. M21-5203.

SKU: 21-5203
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