About BSA Motorcycles & Classic Parts

Birmingham Small Arms Company (BSA) produced some of the most iconic British motorcycles of the 20th century. Renowned for their craftsmanship and engineering, models like the lightweight BSA Bantam, the powerful A65 Thunderbolt, and the legendary Gold Star remain timeless favourites among classic bike enthusiasts worldwide.

At Obsolete Bike Parts, we proudly offer a handpicked selection of authentic BSA motorcycle parts — both NOS (new old stock) and quality used components — to help you restore, maintain, or rebuild your vintage ride. Whether you’re sourcing a crankshaft for an A10 or a fuel tank for a Bantam, our inventory is focused on originality, fitment, and long-term reliability.

Popular BSA Models We Stock Parts For:

• BSA Bantam D1, D7, D10, D14 & Bushman
• BSA A7 / A10 parallel twins
• BSA C15, B25, B40 & C11
• BSA Gold Star 350 & 500
• BSA A50 / A65 series (Lightning, Thunderbolt, Firebird)

Our range includes everything from engine internals to chassis parts and electrical components — all selected with care to meet the needs of vintage restorers, collectors, and riders. We’re here to support your passion for keeping British motorcycling heritage alive.

Explore our BSA parts collection today and bring your classic motorcycle back to life — with parts you can trust and service you can count on.