BSA - Birmingham Small Arms


Whether you view a BSA as"Best Scrambler Around,"or"Bastard Stopped Again,"there's no denying that a BSA is an excellent choice for vintage MX, whether you're competing in Premier, Classic or Sportsman classes.

For general parts, see the product indexon the left.

BSA Models
Parts Available for BSA
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Seat, BSA B50MX
Seat, BSA B50MX - $289.00

Complete seat has a fiberglass replica of the B50MX base, topped with firm foam and an OE-style black vinyl cover. This seat works excellently on the earlier unit single BSA frames, and is also very popular when building specials.

Seat, BSA B50MX - $289.00

Complete seat has a fiberglass replica of the B50MX base, topped with firm foam and an OE-style black vinyl cover. This seat works excellently on the earlier unit single BSA frames, and is also very popular when building specials.

Motorcycle Model Any, B25, B40, B44, B50, C15
Motorcycle Manufacturer Any, BSA
   
Seat, BSA B50MX
Price $289.00
Description

Complete seat has a fiberglass replica of the B50MX base, topped with firm foam and an OE-style black vinyl cover. This seat works excellently on the earlier unit single BSA frames, and is also very popular when building specials.

Motorcycle Model Any, B25, B40, B44, B50, C15
Motorcycle Manufacturer Any, BSA
Shock Spring Shroud, Black
One pair of shock-spring shrouds, as typically found as the upper pair on fully-shrouded Girling shocks. The i.d. is 2.25"and the overall length is 5.0".
Shock Spring Shroud, Black - $16.00
One pair of shock-spring shrouds, as typically found as the upper pair on fully-shrouded Girling shocks. The i.d. is 2.25"and the overall length is 5.0".
Motorcycle Model Any
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Husqvarna, Matchless, Triumph
   
Shock Spring Shroud, Black
Price $16.00
Description One pair of shock-spring shrouds, as typically found as the upper pair on fully-shrouded Girling shocks. The i.d. is 2.25"and the overall length is 5.0".
Motorcycle Model Any
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Husqvarna, Matchless, Triumph
Shock Spring Shroud, Chrome
One pair of shock-spring shrouds, as typically found on Girling shocks. This pair of chrome shrouds were used on top of half-shrouded springs, and on the bottom of full-shrouded springs. The i.d. is 2.08" and the overall length is 4.5".
Shock Spring Shroud, Chrome - $24.00
One pair of shock-spring shrouds, as typically found on Girling shocks. This pair of chrome shrouds were used on top of half-shrouded springs, and on the bottom of full-shrouded springs. The i.d. is 2.08" and the overall length is 4.5".
Motorcycle Model Anglian, Any, B44, G85, Griffon, Hawkstone/MCS, HT5, MkIII, MkIV, Scottish, Stormer, T100, T120, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Ariel, BSA, Cotton, Greeves, Husqvarna, Maico, Matchless, Rickman, Triumph
   
Shock Spring Shroud, Chrome
Price $24.00
Description One pair of shock-spring shrouds, as typically found on Girling shocks. This pair of chrome shrouds were used on top of half-shrouded springs, and on the bottom of full-shrouded springs. The i.d. is 2.08" and the overall length is 4.5".
Motorcycle Model Anglian, Any, B44, G85, Griffon, Hawkstone/MCS, HT5, MkIII, MkIV, Scottish, Stormer, T100, T120, Tiger Cub, TR6
Motorcycle Manufacturer AJS, Ariel, BSA, Cotton, Greeves, Husqvarna, Maico, Matchless, Rickman, Triumph
Shocks, NJB MX Expert

The NJB MX Expert shocks have been extensively tested for years by top-level riders, thus providing spectacular performance and fade resistance, on a level with the most-expensive vintage MX shocks in the world. Available with a single-rate spring or a dual-rate spring set-up to suit all riders and price points. They are available in 13.0", 13.4", and 14.0"lengths. Priced as a pair, includes bushes and springs.

Shocks, NJB MX Expert - $245.00

The NJB MX Expert shocks have been extensively tested for years by top-level riders, thus providing spectacular performance and fade resistance, on a level with the most-expensive vintage MX shocks in the world. Available with a single-rate spring or a dual-rate spring set-up to suit all riders and price points. They are available in 13.0", 13.4", and 14.0"lengths. Priced as a pair, includes bushes and springs.

Motorcycle Model #18, #42, #48, #68, A10, A50, A65, Alpina, Any, B25, B40, B44, B50, C15, Challenger, CR125, CR250, G85, Gold Star, Griffon, Hawkstone/MCS, Matador, Metisse, Micro Metisse, MkIII, MkIV, MX250, Phantom, Pursang, Q.U.B., Stiletto, Stormer, T100, T120, T140, Tiger Cub, TM125, TR6, XL250, YZ400
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, CZ, Greeves, Honda, Husqvarna, Kawasaki, Maico, Matchless, Montesa, Ossa, Penton, Rickman, Suzuki, Triumph, Yamaha
   
Shocks, NJB MX Expert
Price $245.00
Description

The NJB MX Expert shocks have been extensively tested for years by top-level riders, thus providing spectacular performance and fade resistance, on a level with the most-expensive vintage MX shocks in the world. Available with a single-rate spring or a dual-rate spring set-up to suit all riders and price points. They are available in 13.0", 13.4", and 14.0"lengths. Priced as a pair, includes bushes and springs.

Motorcycle Model #18, #42, #48, #68, A10, A50, A65, Alpina, Any, B25, B40, B44, B50, C15, Challenger, CR125, CR250, G85, Gold Star, Griffon, Hawkstone/MCS, Matador, Metisse, Micro Metisse, MkIII, MkIV, MX250, Phantom, Pursang, Q.U.B., Stiletto, Stormer, T100, T120, T140, Tiger Cub, TM125, TR6, XL250, YZ400
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, CZ, Greeves, Honda, Husqvarna, Kawasaki, Maico, Matchless, Montesa, Ossa, Penton, Rickman, Suzuki, Triumph, Yamaha
Shocks, NJB MX Ultimate
NJB MX Ultimates pack a list of features like nothing else on the market. Speed-sensitive compression damping and performance-matched rebound provide the ultimate ride for classic motocross. Screw-type spring preload is quick and simple to use. A unique, two-piece body design allows the shock length to be adjusted from 13.4-15.1 inches (eye-to-eye), even while on the bike. This allows for fine-tuning the steering geometry or use on multiple machines. Can be mounted body-up or body-down. Spanners and a"fit kit"are included for fitment using 8, 10 or 12mm bolts. Your choice of 75lb or 90lb springs. Sold as a pair. Not for high-leverage-ratio applications.
Shocks, NJB MX Ultimate - $285.00
NJB MX Ultimates pack a list of features like nothing else on the market. Speed-sensitive compression damping and performance-matched rebound provide the ultimate ride for classic motocross. Screw-type spring preload is quick and simple to use. A unique, two-piece body design allows the shock length to be adjusted from 13.4-15.1 inches (eye-to-eye), even while on the bike. This allows for fine-tuning the steering geometry or use on multiple machines. Can be mounted body-up or body-down. Spanners and a"fit kit"are included for fitment using 8, 10 or 12mm bolts. Your choice of 75lb or 90lb springs. Sold as a pair. Not for high-leverage-ratio applications.
Motorcycle Model #18, #42, #48, #68, A10, A50, A65, Any, B25, B40, B44, B50, C15, CR125, CR250, G85, Gold Star, Griffon, Hawkstone/MCS, Metisse, Micro Metisse, MkIII, MkIV, MX250, Phantom, Pursang, Q.U.B., Stiletto, Stormer, T100, T120, T140, Tiger Cub, TM125, TR6, XL250
Motorcycle Manufacturer AJS, Any, Ariel, BSA, Bultaco, Cotton, CZ, Greeves, Honda, Husqvarna, Kawasaki, Maico, Matchless, Montesa, Ossa, Penton, Rickman, Suzuki, Triumph, Yamaha
   
Shocks, NJB MX Ultimate
Price $285.00
Description NJB MX Ultimates pack a list of features like nothing else on the market. Speed-sensitive compression damping and performance-matched rebound provide the ultimate ride for classic motocross. Screw-type spring preload is quick and simple to use. A unique, two-piece body design allows the shock length to be adjusted from 13.4-15.1 inches (eye-to-eye), even while on the bike. This allows for fine-tuning the steering geometry or use on multiple machines. Can be mounted body-up or body-down. Spanners and a"fit kit"are included for fitment using 8, 10 or 12mm bolts. Your choice of 75lb or 90lb springs. Sold as a pair. Not for high-leverage-ratio applications.
Motorcycle Model #18, #42, #48, #68, A10, A50, A65, Any, B25, B40, B44, B50, C15, CR125, CR250, G85, Gold Star, Griffon, Hawkstone/MCS, Metisse, Micro Metisse, MkIII, MkIV, MX250, Phantom, Pursang, Q.U.B., Stiletto, Stormer, T100, T120, T140, Tiger Cub, TM125, TR6, XL250
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

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
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, 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 (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