Triumph / BSA Unit Singles "Duplex" Primary Chains (1) - B25 / C25 / B44 / B50 / Etc - Choose Brand / Application Part # - Specs:19-8683 - (B44 / B50 / B50MX / TR5MX) - 1966-73 - KCM (Japan) TR25W and many other models

TR25W and many other models up to approx 1972

Amal Concentric carburetors where fitted to most vintage British motorcycles including Triumph

Excellent & Affordable Quality Triumph Steel Clutch Plate Disc Set

Drive Side & Timing side on BSA B50 models from 1971-1972

Features the "BSA" logo on top

Triumph / BSA Unit Singles "Duplex" Primary Chains (1) - B25 / C25 / B44 / B50 / Etc - Choose Brand / Application Part # - Specs:19-8683 - (B44 / B50 / B50MX / TR5MX) - 1966-73 - KCM (Japan) TR25W and many other modelsIs your primary unit single primary chain stretched or worn? Replace it today with our high quality primary chains we have to offer. Choose from Renold & KCM brand chains We stock primary chains to fit all Triumph and BSA unit singles (excluding the Cub) from 1959 1973 from the C15, B40, C25, TR25W, B25, etc. We also stock a primary chain for TR5MX, B44 & B50 models from 1966 1973. Please keep in mind that 250 & 350 models use a 70L chain while 441 &