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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Spokes, stainless steel, custom-made

US-made Buchanan's stainless steel spokes are painstakingly fabricated one at a time, to provide you the best possible quality. Most vintage spoke kits are built-to-order; expect a lead-time of seven days. Only the most popular options are listed -- please call if you have other requirements.

Spokes, stainless steel, custom-made - $95.00

US-made Buchanan's stainless steel spokes are painstakingly fabricated one at a time, to provide you the best possible quality. Most vintage spoke kits are built-to-order; expect a lead-time of seven days. Only the most popular options are listed -- please call if you have other requirements.

Motorcycle Model #18, #42, #48, #68, 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, 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, Yamaha
   
Spokes, stainless steel, custom-made
Price $95.00
Description

US-made Buchanan's stainless steel spokes are painstakingly fabricated one at a time, to provide you the best possible quality. Most vintage spoke kits are built-to-order; expect a lead-time of seven days. Only the most popular options are listed -- please call if you have other requirements.

Motorcycle Model #18, #42, #48, #68, 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, 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, Yamaha
Sprocket, Crankshaft, BSA Trials

18-tooth crankshaft sprocket for BSA unit singles provides ultra-low gear ratios for trials use, while keeping your final-drive ratios within reason. Kickstarting is also much easier. Fits all unit singles (C15, B40, B44, B25 and B50). Requires 68-pitch primary chain, available separately.

Sprocket, Crankshaft, BSA Trials - $40.00

18-tooth crankshaft sprocket for BSA unit singles provides ultra-low gear ratios for trials use, while keeping your final-drive ratios within reason. Kickstarting is also much easier. Fits all unit singles (C15, B40, B44, B25 and B50). Requires 68-pitch primary chain, available separately.

Motorcycle Model B25, B40, B44, B50, C15
Motorcycle Manufacturer BSA
   
Sprocket, Crankshaft, BSA Trials
Price $40.00
Description

18-tooth crankshaft sprocket for BSA unit singles provides ultra-low gear ratios for trials use, while keeping your final-drive ratios within reason. Kickstarting is also much easier. Fits all unit singles (C15, B40, B44, B25 and B50). Requires 68-pitch primary chain, available separately.

Motorcycle Model B25, B40, B44, B50, C15
Motorcycle Manufacturer BSA
Sprocket, Front, BSA

Unit BSA sprockets are available for #428 or #520 chain; the Gold Star/A10 is for #520 chain only. We only stock a couple of sizes, but others are available on special order.

Sprocket, Front, BSA - $35.00

Unit BSA sprockets are available for #428 or #520 chain; the Gold Star/A10 is for #520 chain only. We only stock a couple of sizes, but others are available on special order.

Motorcycle Model A10, B25, B40, B44, B50, C15, Gold Star
Motorcycle Manufacturer BSA
   
Sprocket, Front, BSA
Price $35.00
Description

Unit BSA sprockets are available for #428 or #520 chain; the Gold Star/A10 is for #520 chain only. We only stock a couple of sizes, but others are available on special order.

Motorcycle Model A10, B25, B40, B44, B50, C15, Gold Star
Motorcycle Manufacturer BSA
Tab Washers, British
Locking tab washers for British engines. Sold individually.
Tab Washers, British - $2.50
Locking tab washers for British engines. Sold individually.
Motorcycle Model Any
Motorcycle Manufacturer BSA, Triumph
   
Tab Washers, British
Price $2.50
Description Locking tab washers for British engines. Sold individually.
Motorcycle Model Any
Motorcycle Manufacturer BSA, Triumph
Tank Rubbers, BSA
Your choice of a BSA- or no-logo plug to cover the center-mount hole, the center-mount rubber for B50s, or the anti-roll frame rubbers used on most A and B models. Sold individually.
Tank Rubbers, BSA - $5.00
Your choice of a BSA- or no-logo plug to cover the center-mount hole, the center-mount rubber for B50s, or the anti-roll frame rubbers used on most A and B models. Sold individually.
Motorcycle Model A10, A50, A65, Any, B25, B40, B44, B50, C15, Gold Star, Tiger Cub
Motorcycle Manufacturer Any, BSA
   
Tank Rubbers, BSA
Price $5.00
Description Your choice of a BSA- or no-logo plug to cover the center-mount hole, the center-mount rubber for B50s, or the anti-roll frame rubbers used on most A and B models. Sold individually.
Motorcycle Model A10, A50, A65, Any, B25, B40, B44, B50, C15, Gold Star, Tiger Cub
Motorcycle Manufacturer Any, BSA
Throttle, Amal Plastic
Genuine Amal #17 slow-turn trials plastic throttle assembly, complete with adjuster and dust boot.
Throttle, Amal Plastic - $22.00
Genuine Amal #17 slow-turn trials plastic throttle assembly, complete with adjuster and dust boot.
Motorcycle Model Alpina, Anglian, Any, B40, C15, Cota, M.A.R., RL250, Sherpa T, Tiger Cub, TL125, TL250, TY175, TY250, TY80
Motorcycle Manufacturer Any, BSA, Bultaco, Cotton, Greeves, Honda, Montesa, Ossa, Suzuki, Triumph, Yamaha
   
Throttle, Amal Plastic
Price $22.00
Description Genuine Amal #17 slow-turn trials plastic throttle assembly, complete with adjuster and dust boot.
Motorcycle Model Alpina, Anglian, Any, B40, C15, Cota, M.A.R., RL250, Sherpa T, Tiger Cub, TL125, TL250, TY175, TY250, TY80
Motorcycle Manufacturer Any, BSA, Bultaco, Cotton, Greeves, Honda, Montesa, Ossa, Suzuki, Triumph, Yamaha
Throttle, Amal T80/200 Trials

Our favorite trials throttle. It routes the cable parallel to the handlebar and away from danger like other popular twistgrips, but is superior due to its aluminum-alloy housing, which won't break or lose its cap. It also features a cable adjuster, which makes life easier. This is also a great choice for MX machines with small carburetors!

Throttle, Amal T80/200 Trials - $39.00

Our favorite trials throttle. It routes the cable parallel to the handlebar and away from danger like other popular twistgrips, but is superior due to its aluminum-alloy housing, which won't break or lose its cap. It also features a cable adjuster, which makes life easier. This is also a great choice for MX machines with small carburetors!

Motorcycle Model Alpina, Anglian, Any, B25, B40, C15, Cota, Gold Star, HT5, M.A.R., RL250, Scottish, Sherpa T, Tiger Cub, TL125, TL250, TLR200/Reflex, TY175, TY250, TY80
Motorcycle Manufacturer Any, Ariel, BSA, Bultaco, Cotton, Greeves, Honda, Kawasaki, Matchless, Montesa, Ossa, Suzuki, Triumph, Yamaha
   
Throttle, Amal T80/200 Trials
Price $39.00
Description

Our favorite trials throttle. It routes the cable parallel to the handlebar and away from danger like other popular twistgrips, but is superior due to its aluminum-alloy housing, which won't break or lose its cap. It also features a cable adjuster, which makes life easier. This is also a great choice for MX machines with small carburetors!

Motorcycle Model Alpina, Anglian, Any, B25, B40, C15, Cota, Gold Star, HT5, M.A.R., RL250, Scottish, Sherpa T, Tiger Cub, TL125, TL250, TLR200/Reflex, TY175, TY250, TY80
Motorcycle Manufacturer Any, Ariel, BSA, Bultaco, Cotton, Greeves, Honda, Kawasaki, Matchless, Montesa, Ossa, Suzuki, Triumph, Yamaha
Throttle, Doherty Chrome Replica
Reproduction of the classic Doherty #71 slow-turn chrome twistgrip, for 7/8" handlebars.
Throttle, Doherty Chrome Replica - $18.00
Reproduction of the classic Doherty #71 slow-turn chrome twistgrip, for 7/8" handlebars.
Motorcycle Model A10, A65, Alpina, Anglian, Any, Cota, G85, Gold Star, HT5, M.A.R., Matador, Scottish, Sherpa T, T100, Tiger Cub, TR6
Motorcycle Manufacturer Any, Ariel, BSA, Bultaco, Greeves, Matchless, Montesa, Ossa, Triumph
   
Throttle, Doherty Chrome Replica
Price $18.00
Description Reproduction of the classic Doherty #71 slow-turn chrome twistgrip, for 7/8" handlebars.
Motorcycle Model A10, A65, Alpina, Anglian, Any, Cota, G85, Gold Star, HT5, M.A.R., Matador, Scottish, Sherpa T, T100, Tiger Cub, TR6
Motorcycle Manufacturer Any, Ariel, BSA, Bultaco, Greeves, Matchless, Montesa, Ossa, Triumph
Throttle, Domino Trials

All-plastic-construction, slow-turn trials throttle, very popular with modern trials riders. Two models are available, both are intended for trials use. The black throttle tube is very slow turn, and used by most vintage riders who choose Domino. The white throttle tube version is quicker, and preferred by expert-level riders.

Throttle, Domino Trials - $29.00

All-plastic-construction, slow-turn trials throttle, very popular with modern trials riders. Two models are available, both are intended for trials use. The black throttle tube is very slow turn, and used by most vintage riders who choose Domino. The white throttle tube version is quicker, and preferred by expert-level riders.

Motorcycle Model Alpina, Anglian, Any, B25, B40, C15, HT5, M.A.R., RL250, Scottish, Sherpa T, Tiger Cub, TL125, TL250, TLR200/Reflex, TY175, TY250, TY80
Motorcycle Manufacturer Any, Ariel, BSA, Bultaco, Cotton, Greeves, Honda, Kawasaki, Matchless, Montesa, Ossa, Suzuki, Triumph, Yamaha
   
Throttle, Domino Trials
Price $29.00
Description

All-plastic-construction, slow-turn trials throttle, very popular with modern trials riders. Two models are available, both are intended for trials use. The black throttle tube is very slow turn, and used by most vintage riders who choose Domino. The white throttle tube version is quicker, and preferred by expert-level riders.

Motorcycle Model Alpina, Anglian, Any, B25, B40, C15, HT5, M.A.R., RL250, Scottish, Sherpa T, Tiger Cub, TL125, TL250, TLR200/Reflex, TY175, TY250, TY80
Motorcycle Manufacturer Any, Ariel, BSA, Bultaco, Cotton, Greeves, Honda, Kawasaki, Matchless, Montesa, Ossa, Suzuki, Triumph, Yamaha
Throttle, Domino Trials (Replacement Cap)
Finally! Replace just the missing cap from your Domino throttle, rather than the entire assembly.
Throttle, Domino Trials (Replacement Cap) - $6.00
Finally! Replace just the missing cap from your Domino throttle, rather than the entire assembly.
Motorcycle Model Alpina, Anglian, Any, B25, B40, C15, Cota, HT5, M.A.R., RL250, Scottish, Sherpa T, Tiger Cub, TL125, TL250, TLR200/Reflex, TY175, TY250, TY80
Motorcycle Manufacturer Any, Ariel, BSA, Bultaco, Cotton, Greeves, Honda, Kawasaki, Montesa, Ossa, Penton, Suzuki, Triumph, Yamaha
   
Throttle, Domino Trials (Replacement Cap)
Price $6.00
Description Finally! Replace just the missing cap from your Domino throttle, rather than the entire assembly.
Motorcycle Model Alpina, Anglian, Any, B25, B40, C15, Cota, HT5, M.A.R., RL250, Scottish, Sherpa T, Tiger Cub, TL125, TL250, TLR200/Reflex, TY175, TY250, TY80
Motorcycle Manufacturer Any, Ariel, BSA, Bultaco, Cotton, Greeves, Honda, Kawasaki, Montesa, Ossa, Penton, Suzuki, Triumph, Yamaha