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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Petcock, British, 1/8 or 1/4 BSP
Premium quality fuel tap, CNC-machined brass with nickel plating. Stainless steel filter gauze with internal anti-crush cage. Resistant to unleaded fuels with added ethanol content. Two thread sizes.
Petcock, British, 1/8 or 1/4 BSP - $25.00
Premium quality fuel tap, CNC-machined brass with nickel plating. Stainless steel filter gauze with internal anti-crush cage. Resistant to unleaded fuels with added ethanol content. Two thread sizes.
Motorcycle Model A10, A50, A65, Anglian, Any, B25, B40, B44, B50, C15, Challenger, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, Metisse, Micro Metisse, MkIII, MkIV, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Cotton, Greeves, Matchless, Rickman, Triumph
   
Petcock, British, 1/8 or 1/4 BSP
Price $25.00
Description Premium quality fuel tap, CNC-machined brass with nickel plating. Stainless steel filter gauze with internal anti-crush cage. Resistant to unleaded fuels with added ethanol content. Two thread sizes.
Motorcycle Model A10, A50, A65, Anglian, Any, B25, B40, B44, B50, C15, Challenger, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, Metisse, Micro Metisse, MkIII, MkIV, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Cotton, Greeves, Matchless, Rickman, Triumph
Points Cover, Chrome
New replacement points cover for BSA and Triumph engines with points in the timing cover.
Points Cover, Chrome - $12.00
New replacement points cover for BSA and Triumph engines with points in the timing cover.
Motorcycle Model Any
Motorcycle Manufacturer BSA, Triumph
   
Points Cover, Chrome
Price $12.00
Description New replacement points cover for BSA and Triumph engines with points in the timing cover.
Motorcycle Model Any
Motorcycle Manufacturer BSA, Triumph
Points Cover, Finned Alloy
New finned-aluminum points cover for BSA and Triumph engines with points in the timing cover. Period custom look!
Points Cover, Finned Alloy - $27.50
New finned-aluminum points cover for BSA and Triumph engines with points in the timing cover. Period custom look!
Motorcycle Model Any
Motorcycle Manufacturer BSA, Triumph
   
Points Cover, Finned Alloy
Price $27.50
Description New finned-aluminum points cover for BSA and Triumph engines with points in the timing cover. Period custom look!
Motorcycle Model Any
Motorcycle Manufacturer BSA, Triumph
Primary Chain, Double-Row

High-quality primary chains made from Italian Regina material. Choose the one for your bike.

Primary Chain, Double-Row - $35.00

High-quality primary chains made from Italian Regina material. Choose the one for your bike.

Motorcycle Model B25, B40, B44, B50, C15, Challenger, Griffon, M.A.R., Metisse, Phantom, Q.U.B., Stiletto, Stormer, T100, T120, Tiger Cub, TR6
Motorcycle Manufacturer AJS, BSA, Cotton, Greeves, Maico, Ossa, Rickman, Triumph, Villiers
   
Primary Chain, Double-Row
Price $35.00
Description

High-quality primary chains made from Italian Regina material. Choose the one for your bike.

Motorcycle Model B25, B40, B44, B50, C15, Challenger, Griffon, M.A.R., Metisse, Phantom, Q.U.B., Stiletto, Stormer, T100, T120, Tiger Cub, TR6
Motorcycle Manufacturer AJS, BSA, Cotton, Greeves, Maico, Ossa, Rickman, Triumph, Villiers
Primary Chain, Single-Row

Single-row primary chains for pre-unit British bikes, Villiers engines and Bultaco Sherpa T/Alpina.

Primary Chain, Single-Row - $15.00

Single-row primary chains for pre-unit British bikes, Villiers engines and Bultaco Sherpa T/Alpina.

Motorcycle Model 9E-37A, A10, Alpina, Anglian, G85, Gold Star, Hawkstone/MCS, HT5, Scottish, Sherpa T
Motorcycle Manufacturer Ariel, BSA, Bultaco, Cotton, Greeves, Matchless, Triumph, Villiers
   
Primary Chain, Single-Row
Price $15.00
Description

Single-row primary chains for pre-unit British bikes, Villiers engines and Bultaco Sherpa T/Alpina.

Motorcycle Model 9E-37A, A10, Alpina, Anglian, G85, Gold Star, Hawkstone/MCS, HT5, Scottish, Sherpa T
Motorcycle Manufacturer Ariel, BSA, Bultaco, Cotton, Greeves, Matchless, Triumph, Villiers
Rear Sprocket, Alloy
Top-quality, US-made alloy rear sprockets for every application under the sun, in any chain size. Far too many to list here, please give us a ring with your requirements. Quick turnaround for custom items, competitive prices (varies by tooth count and chain size).
Rear Sprocket, Alloy -
Top-quality, US-made alloy rear sprockets for every application under the sun, in any chain size. Far too many to list here, please give us a ring with your requirements. Quick turnaround for custom items, competitive prices (varies by tooth count and chain size).
Motorcycle Model #18, #42, #48, #68, 9E-37A, A10, A50, A65, Alpina, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Cota, CR125, CR250, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, M.A.R., Matador, Metisse, Micro Metisse, MkIII, MkIV, MX250, Phantom, Pursang, Q.U.B., RL250, Scottish, Sherpa T, Stiletto, Stormer, T100, T120, T140, Tiger Cub, TL125, TL250, TLR200/Reflex, TM125, TR6, TY175, TY250, TY80, XL250, YZ400
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, CZ, Greeves, Honda, Husqvarna, Kawasaki, Maico, Matchless, Montesa, Ossa, Penton, Rickman, Suzuki, Triumph, Villiers, Yamaha
   
Rear Sprocket, Alloy
Price
Description Top-quality, US-made alloy rear sprockets for every application under the sun, in any chain size. Far too many to list here, please give us a ring with your requirements. Quick turnaround for custom items, competitive prices (varies by tooth count and chain size).
Motorcycle Model #18, #42, #48, #68, 9E-37A, A10, A50, A65, Alpina, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Cota, CR125, CR250, G85, Gold Star, Griffon, Hawkstone/MCS, HT5, M.A.R., Matador, Metisse, Micro Metisse, MkIII, MkIV, MX250, Phantom, Pursang, Q.U.B., RL250, Scottish, Sherpa T, Stiletto, Stormer, T100, T120, T140, Tiger Cub, TL125, TL250, TLR200/Reflex, TM125, TR6, TY175, TY250, TY80, XL250, YZ400
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, CZ, Greeves, Honda, Husqvarna, Kawasaki, Maico, Matchless, Montesa, Ossa, Penton, Rickman, Suzuki, Triumph, Villiers, Yamaha
Rims, Italian Chrome

Italian-made Radaellis are an economical choice for chrome rims. Chrome quality is not the very best, but quite acceptable. There are no external markings, and they are shaped like a Dunlop rim. Drilled to match your hub. The sizes and drill patterns listed are in stock; delivery on special-order items takes weeks. Please contact us if you don't see what you need.

Rims, Italian Chrome - $105.00

Italian-made Radaellis are an economical choice for chrome rims. Chrome quality is not the very best, but quite acceptable. There are no external markings, and they are shaped like a Dunlop rim. Drilled to match your hub. The sizes and drill patterns listed are in stock; delivery on special-order items takes weeks. Please contact us if you don't see what you need.

Motorcycle Model A10, A50, A65, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Gold Star, Griffon, Hawkstone/MCS, HT5, Metisse, Micro Metisse, MkIII, MkIV, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Cotton, CZ, Greeves, Husqvarna, Matchless, Penton, Rickman, Triumph
   
Rims, Italian Chrome
Price $105.00
Description

Italian-made Radaellis are an economical choice for chrome rims. Chrome quality is not the very best, but quite acceptable. There are no external markings, and they are shaped like a Dunlop rim. Drilled to match your hub. The sizes and drill patterns listed are in stock; delivery on special-order items takes weeks. Please contact us if you don't see what you need.

Motorcycle Model A10, A50, A65, Anglian, Any, B25, B40, B44, B50, C15, Challenger, Gold Star, Griffon, Hawkstone/MCS, HT5, Metisse, Micro Metisse, MkIII, MkIV, Q.U.B., Scottish, Stormer, T100, T120, T140, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Cotton, CZ, Greeves, Husqvarna, Matchless, Penton, Rickman, Triumph
Rims, Stainless Steel
British-made stainless rims for 40-spoke hubs, with the same shape/appearance as Dunlop or Jones chrome rims. Sold as a pair, 21"front and 18"rear.
Rims, Stainless Steel - $295.00
British-made stainless rims for 40-spoke hubs, with the same shape/appearance as Dunlop or Jones chrome rims. Sold as a pair, 21"front and 18"rear.
Motorcycle Model Any, Challenger, Hawkstone/MCS, Micro Metisse, Stormer, Tiger Cub
Motorcycle Manufacturer AJS, Any, BSA, Rickman, Triumph
   
Rims, Stainless Steel
Price $295.00
Description British-made stainless rims for 40-spoke hubs, with the same shape/appearance as Dunlop or Jones chrome rims. Sold as a pair, 21"front and 18"rear.
Motorcycle Model Any, Challenger, Hawkstone/MCS, Micro Metisse, Stormer, Tiger Cub
Motorcycle Manufacturer AJS, Any, BSA, Rickman, Triumph
Rubber Carb Cover, Amal Concentric

Seals dirt and water from entering your Concentric around the throttle cable and carb top.

Rubber Carb Cover, Amal Concentric - $14.00

Seals dirt and water from entering your Concentric around the throttle cable and carb top.

Motorcycle Model Alpina, Anglian, Any, B40, C15, Cota, HT5, M.A.R., Pursang, Sherpa T, Stormer, Tiger Cub
Motorcycle Manufacturer AJS, Ariel, BSA, Bultaco, Greeves, Montesa, Triumph
   
Rubber Carb Cover, Amal Concentric
Price $14.00
Description

Seals dirt and water from entering your Concentric around the throttle cable and carb top.

Motorcycle Model Alpina, Anglian, Any, B40, C15, Cota, HT5, M.A.R., Pursang, Sherpa T, Stormer, Tiger Cub
Motorcycle Manufacturer AJS, Ariel, BSA, Bultaco, Greeves, Montesa, Triumph
Rubber Flange Adaptor, Amal Bolt Pattern
Rubber flange adaptor to install spigot-mount carburetors directly to a manifold or head designed for Amal carburetors. No need for conversion adaptor plates or other modifications. The small version has a bolt spacing of 2", and accepts 2600-series Amal MkIIs and VM26 Mikunis. The large version has a bolt spacing of 65mm, and accepts 2000-series Amal MkIIs and VM36/38 Mikunis.
Rubber Flange Adaptor, Amal Bolt Pattern - $50.00
Rubber flange adaptor to install spigot-mount carburetors directly to a manifold or head designed for Amal carburetors. No need for conversion adaptor plates or other modifications. The small version has a bolt spacing of 2", and accepts 2600-series Amal MkIIs and VM26 Mikunis. The large version has a bolt spacing of 65mm, and accepts 2000-series Amal MkIIs and VM36/38 Mikunis.
Motorcycle Model 9E-37A, Alpina, Anglian, Any, B25, B40, C15, Cota, M.A.R., Scottish, Sherpa T, Tiger Cub
Motorcycle Manufacturer Any, BSA, Bultaco, Cotton, Greeves, Montesa, Ossa, Triumph, Villiers
   
Rubber Flange Adaptor, Amal Bolt Pattern
Price $50.00
Description Rubber flange adaptor to install spigot-mount carburetors directly to a manifold or head designed for Amal carburetors. No need for conversion adaptor plates or other modifications. The small version has a bolt spacing of 2", and accepts 2600-series Amal MkIIs and VM26 Mikunis. The large version has a bolt spacing of 65mm, and accepts 2000-series Amal MkIIs and VM36/38 Mikunis.
Motorcycle Model 9E-37A, Alpina, Anglian, Any, B25, B40, C15, Cota, M.A.R., Scottish, Sherpa T, Tiger Cub
Motorcycle Manufacturer Any, BSA, Bultaco, Cotton, Greeves, Montesa, Ossa, Triumph, Villiers