BSA Dynamo Strap Assembly: A7 & A10 (Dull Finish)

£22.00
This strap assembly holds the dynamo to the crankcase, but only includes the strap and the trunnions.

BSA Dynamo Strap Assembly: A7 & A10 (Polished)

£26.00
This strap assembly holds the dynamo to the crankcase, but only includes the strap and the trunnions.

BSA Magneto/Dynamo Strap For B31, B34, 3/4″ Wide Kit

Price range: £35.00 through £56.80
These magneto/dynamo straps fit a number of different models, and may be bought as they are (straps only), or with fittings added, to make a complete assembly.  (search for "BSA Mag/Dyno Strap Kit & Parts" for further details). Select your required option of, bare straps, complete kit with trunnions (2-off), reduced hex strap bolt (1-off) and saddle washer (1-off).
Select options This product has multiple variants. The options may be chosen on the product page

Dynamo/Magneto Strap Trunnions 1-1/2″ (Pair)

£12.00
This pair of 1-1/2" long trunnions are designed to fit the magneto/dynamo straps found on the B31/B33, A7 and A10 as well as the DBD32/DBD34 BSA Gold Stars made in the late 1950’s and ‘60’s. One is tapped while one is drilled clear for the bolt. These components form part of a complete assembly that is available separately

Dynamo/Magneto Strap Trunnions 3/4″ (Pair)

£12.00
This pair of 3/4" long trunnions are designed to fit the magneto/dynamo straps found on the B31/B33, A7 and A10 as well as the DBD32/DBD34 BSA Gold Stars made in the late 1950’s and ‘60’s. One is tapped while one is drilled clear for the bolt. These components form part of a complete assembly that is available separately

Magneto/Dynamo Bolt Plain Washer

£2.00
This washer goes under the head of the bolt (or nut) that clamps the magneto/dynamo straps together and is suitable for the B31/B33, A7 and A10 as well as the DBD32/DBD34 BSA Gold Stars made in the late 1950’s and ‘60’s.

Magneto/Dynamo Strap – Complete Assembly

£65.00
This complete magneto/dynamo strap kit is suitable the B31/B33, A7 and A10 as well as the DBD32/DBD34 BSA Gold Stars made in the late 1950’s and ‘60’s. The kit includes the two straps, trunnions, securing bolt and thick washer(2-923). Please note that all the component parts are also available separately. This one is the wide strap version (1-1/2"), and we do offer a narrower one that has  3/4"- wide straps.

Magneto/Dynamo Strap Bolt

£6.40
This bolt is designed to secure the magneto/dynamo straps fitted to the B31/B33, A7 and A10 as well as the DBD32/DBD34 BSA Gold Stars made in the late 1950’s and ‘60’s. It has the correct Cycle thread and hexagon size. This component forms part of a complete assembly that is available separately.

Magneto/Dynamo Strap Saddle Washer

£3.40
This saddle washer goes under the head of the bolt (or nut) that clamps the magneto/dynamo straps together and is suitable for the B31/B33, A7 and A10 as well as the DBD32/DBD34 BSA Gold Stars made in the late 1950’s and ‘60’s. It is profiled to match the strap. This component forms part of a complete assembly that is available separately.

Magneto/Dynamo Straps (Pair)

£40.00
This pair of straps are designed to fit on the B31/B33, A7 and A10 as well as the DBD32/DBD34 BSA Gold Stars made in the late 1950’s and ‘60’s. The longer piece is designed to be bent around the dynamo, before being finally brought up tight around the dynamo.  Beautifully made in stainless steel, including the correct rivets. These components form part of a complete assembly that is available separately.