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) *****Always check your parts book

*****Always check your parts book to ensure that this Part is correct for your application

Please feel free to ask questions prior to purchase

Clean and tidy up your cables by installing a new set of cable ties

Features the "BSA" logo on top

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

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) *****Always check your parts bookIs 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 &