BSA

BSA made their mark in the English observed trials world with the Gold Star, and continued to have success with the unit-construction C15 and B40. These bikes, along with the two-stroke Bantam, are still favorites with riders and spectators alike.

For general parts, please see the product index on the left.

Parts available for BSA Trials
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Air Filters, Uni Filter
Air Filters, Uni Filter - $15.00

US-made Uni Filter foam air filters offer unparalleled performance over a broad range of applications; the filters we normally stock are shown here, but anything in their range can be supplied; call us with your needs.
Air Filters, Uni Filter - $15.00

US-made Uni Filter foam air filters offer unparalleled performance over a broad range of applications; the filters we normally stock are shown here, but anything in their range can be supplied; call us with your needs.

Motorcycle Model #18, #48, #68, Alpina, Any, B50, Challenger, CR125, CR250, Griffon, Hawkstone/MCS, Matador, Micro Metisse, MkIII, MkIV, MX250, Phantom, Pursang, Sherpa T, Stiletto, Stormer, TL125, TY250
Motorcycle Manufacturer AJS, BSA, Bultaco, CZ, Greeves, Honda, Husqvarna, Maico, Montesa, Ossa, Penton, Rickman, Yamaha
   
Air Filters, Uni Filter
Price $15.00
Description

US-made Uni Filter foam air filters offer unparalleled performance over a broad range of applications; the filters we normally stock are shown here, but anything in their range can be supplied; call us with your needs.
Motorcycle Model #18, #48, #68, Alpina, Any, B50, Challenger, CR125, CR250, Griffon, Hawkstone/MCS, Matador, Micro Metisse, MkIII, MkIV, MX250, Phantom, Pursang, Sherpa T, Stiletto, Stormer, TL125, TY250
Motorcycle Manufacturer AJS, BSA, Bultaco, CZ, Greeves, Honda, Husqvarna, Maico, Montesa, Ossa, Penton, Rickman, Yamaha
Alloy Fenders
Alloy Fenders - $85.00

Polished aluminum alloy fenders have a rolled bead at one end only. They are undrilled, and normally require trimming for length and component clearance. Very nice fenders with a huge range of applications.
Alloy Fenders - $85.00

Polished aluminum alloy fenders have a rolled bead at one end only. They are undrilled, and normally require trimming for length and component clearance. Very nice fenders with a huge range of applications.

Motorcycle Model A10, A65, Alpina, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Cota, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, M.A.R., Matador, Scottish, Sherpa T, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, Greeves, Husqvarna, Matchless, Montesa, Ossa, Triumph
   
Alloy Fenders
Price $85.00
Description

Polished aluminum alloy fenders have a rolled bead at one end only. They are undrilled, and normally require trimming for length and component clearance. Very nice fenders with a huge range of applications.
Motorcycle Model A10, A65, Alpina, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Cota, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, M.A.R., Matador, Scottish, Sherpa T, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, Greeves, Husqvarna, Matchless, Montesa, Ossa, Triumph
Amal Air Filter Adaptor, Thread-On Ring
Amal Air Filter Adaptor, Thread-On Ring - $7.00
Makes a nice clamping surface so an air filter can be used on Amal Mk1 and certain Monobloc carburetors. Some adaptor rings are aluminum alloy, some are steel. Most of the steel rings are NOS, and the plating is not perfect.
Amal Air Filter Adaptor, Thread-On Ring - $7.00
Makes a nice clamping surface so an air filter can be used on Amal Mk1 and certain Monobloc carburetors. Some adaptor rings are aluminum alloy, some are steel. Most of the steel rings are NOS, and the plating is not perfect.
Motorcycle Model Any
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, Greeves, Matchless, Montesa, Rickman, Triumph, Villiers
   
Amal Air Filter Adaptor, Thread-On Ring
Price $7.00
Description Makes a nice clamping surface so an air filter can be used on Amal Mk1 and certain Monobloc carburetors. Some adaptor rings are aluminum alloy, some are steel. Most of the steel rings are NOS, and the plating is not perfect.
Motorcycle Model Any
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, Greeves, Matchless, Montesa, Rickman, Triumph, Villiers
Amal Gasket Set
Amal Gasket Set - $6.00
English-made gasket set for Amal carburetors. Your choice of MkI Concentric (pictured), MkII Concentric or Monobloc.
Amal Gasket Set - $6.00
English-made gasket set for Amal carburetors. Your choice of MkI Concentric (pictured), MkII Concentric or Monobloc.
Motorcycle Model #18, #42, #48, #68, A10, A50, A65, Alpina, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Cota, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, M.A.R., Matador, Metisse, MkIII, MkIV, Pursang, Sherpa T, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, Greeves, Husqvarna, Matchless, Ossa, Rickman, Triumph, Villiers
   
Amal Gasket Set
Price $6.00
Description English-made gasket set for Amal carburetors. Your choice of MkI Concentric (pictured), MkII Concentric or Monobloc.
Motorcycle Model #18, #42, #48, #68, A10, A50, A65, Alpina, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Cota, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, M.A.R., Matador, Metisse, MkIII, MkIV, Pursang, Sherpa T, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, Greeves, Husqvarna, Matchless, Ossa, Rickman, Triumph, Villiers
Big-End Assemblies, Alpha
Big-End Assemblies, Alpha - $245.00

Alpha is the world's foremost manufacturer of crankpin bearing assemblies for British bikes. Assembly includes the crankpin, bearing, rod liner and nuts (if applicable); for machines with one-piece connecting rods and pressed-together cranks.
Big-End Assemblies, Alpha - $245.00

Alpha is the world's foremost manufacturer of crankpin bearing assemblies for British bikes. Assembly includes the crankpin, bearing, rod liner and nuts (if applicable); for machines with one-piece connecting rods and pressed-together cranks.

Motorcycle Model B40, B44, B50, C15, G85, Gold Star, HT5, Tiger Cub
Motorcycle Manufacturer Ariel, BSA, Matchless, Triumph
   
Big-End Assemblies, Alpha
Price $245.00
Description

Alpha is the world's foremost manufacturer of crankpin bearing assemblies for British bikes. Assembly includes the crankpin, bearing, rod liner and nuts (if applicable); for machines with one-piece connecting rods and pressed-together cranks.
Motorcycle Model B40, B44, B50, C15, G85, Gold Star, HT5, Tiger Cub
Motorcycle Manufacturer Ariel, BSA, Matchless, Triumph
Brake Shoe Relining
Brake Shoe Relining - $35.00

Sometimes, it's not possible to buy completely new brake shoes for your application. We can have your original cores relined with a high-performance, high-friction material which often out-performs off-the-shelf new shoes. This is also an excellent choice for competition use with any drum-brake motorcycle. Turnaround is normally about eight working days. Priced per pair.
Brake Shoe Relining - $35.00

Sometimes, it's not possible to buy completely new brake shoes for your application. We can have your original cores relined with a high-performance, high-friction material which often out-performs off-the-shelf new shoes. This is also an excellent choice for competition use with any drum-brake motorcycle. Turnaround is normally about eight working days. Priced per pair.

Motorcycle Model #18, #42, #48, #68, Anglian, Any, Challenger, Griffon, Hawkstone/MCS, HT5, Q.U.B., Scottish, Stormer
Motorcycle Manufacturer AJS, Ariel, BSA, Bultaco, Cotton, CZ, Greeves, Honda, Husqvarna, Kawasaki, Maico, Matchless, Montesa, Ossa, Penton, Rickman, Suzuki, Triumph, Villiers, Yamaha
   
Brake Shoe Relining
Price $35.00
Description

Sometimes, it's not possible to buy completely new brake shoes for your application. We can have your original cores relined with a high-performance, high-friction material which often out-performs off-the-shelf new shoes. This is also an excellent choice for competition use with any drum-brake motorcycle. Turnaround is normally about eight working days. Priced per pair.
Motorcycle Model #18, #42, #48, #68, Anglian, Any, Challenger, Griffon, Hawkstone/MCS, HT5, Q.U.B., Scottish, Stormer
Motorcycle Manufacturer AJS, Ariel, BSA, Bultaco, Cotton, CZ, Greeves, Honda, Husqvarna, Kawasaki, Maico, Matchless, Montesa, Ossa, Penton, Rickman, Suzuki, Triumph, Villiers, Yamaha
Brake Shoes
Brake Shoes - $16.00

New OEM-type replacement brake shoes. The particular brake shoe manufacturer will vary depending on your application and current availability. There are hundreds of different brake shoes available on the market, so please call if you don't see what you need.
Brake Shoes - $16.00

New OEM-type replacement brake shoes. The particular brake shoe manufacturer will vary depending on your application and current availability. There are hundreds of different brake shoes available on the market, so please call if you don't see what you need.

Motorcycle Model A10, A50, A65, Any, B25, B44, Gold Star, M.A.R., Metisse, Micro Metisse, MkIII, MkIV, Pursang, RL250, Sherpa T, Tiger Cub, TL125, TL250, TM125, TY175, TY250, TY80
Motorcycle Manufacturer BSA, Bultaco, Honda, Husqvarna, Kawasaki, Ossa, Rickman, Suzuki, Triumph, Yamaha
   
Brake Shoes
Price $16.00
Description

New OEM-type replacement brake shoes. The particular brake shoe manufacturer will vary depending on your application and current availability. There are hundreds of different brake shoes available on the market, so please call if you don't see what you need.
Motorcycle Model A10, A50, A65, Any, B25, B44, Gold Star, M.A.R., Metisse, Micro Metisse, MkIII, MkIV, Pursang, RL250, Sherpa T, Tiger Cub, TL125, TL250, TM125, TY175, TY250, TY80
Motorcycle Manufacturer BSA, Bultaco, Honda, Husqvarna, Kawasaki, Ossa, Rickman, Suzuki, Triumph, Yamaha
British Valve Guide Drift
British Valve Guide Drift - $9.00
Fits many British valve guides with 5/16"i.d. and 1/2"o.d.
British Valve Guide Drift - $9.00
Fits many British valve guides with 5/16"i.d. and 1/2"o.d.
Motorcycle Model Any
Motorcycle Manufacturer Any, BSA, Triumph
   
British Valve Guide Drift
Price $9.00
Description Fits many British valve guides with 5/16"i.d. and 1/2"o.d.
Motorcycle Model Any
Motorcycle Manufacturer Any, BSA, Triumph
BSA Swingarm Bushing
BSA Swingarm Bushing - $49.00
Silentbloc swingarm bushing set for BSA A & B models. Your choice of 5/8" i.d. for solid-spindle models (OE #42-4115), or with 13/16" i.d. for frames with a hollow swingarm spindle (OE #42-4362). The inner sleeves can be shortened to suit unit-single swingarms. Sold as a pair.
BSA Swingarm Bushing - $49.00
Silentbloc swingarm bushing set for BSA A & B models. Your choice of 5/8" i.d. for solid-spindle models (OE #42-4115), or with 13/16" i.d. for frames with a hollow swingarm spindle (OE #42-4362). The inner sleeves can be shortened to suit unit-single swingarms. Sold as a pair.
Motorcycle Model A10, A50, A65, B25, B40, B44, C15, Gold Star
Motorcycle Manufacturer BSA
   
BSA Swingarm Bushing
Price $49.00
Description Silentbloc swingarm bushing set for BSA A & B models. Your choice of 5/8" i.d. for solid-spindle models (OE #42-4115), or with 13/16" i.d. for frames with a hollow swingarm spindle (OE #42-4362). The inner sleeves can be shortened to suit unit-single swingarms. Sold as a pair.
Motorcycle Model A10, A50, A65, B25, B40, B44, C15, Gold Star
Motorcycle Manufacturer BSA
Cables, Clutch, Nylon-Lined, British
Cables, Clutch, Nylon-Lined, British - $21.00

Our ultra-smooth clutch cables get the most from your machine; the most common models are shown here. If you don't see what you need, we can likely help; please ring us!
Cables, Clutch, Nylon-Lined, British - $21.00

Our ultra-smooth clutch cables get the most from your machine; the most common models are shown here. If you don't see what you need, we can likely help; please ring us!

Motorcycle Model 9E-37A, A10, Anglian, Any, B25, B40, B44, B50, C15, G85, Gold Star, Griffon, Hawkstone/MCS, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, BSA, Cotton, Greeves, Matchless, Triumph, Villiers
   
Cables, Clutch, Nylon-Lined, British
Price $21.00
Description

Our ultra-smooth clutch cables get the most from your machine; the most common models are shown here. If you don't see what you need, we can likely help; please ring us!
Motorcycle Model 9E-37A, A10, Anglian, Any, B25, B40, B44, B50, C15, G85, Gold Star, Griffon, Hawkstone/MCS, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, BSA, Cotton, Greeves, Matchless, Triumph, Villiers