Triumph / BSA Unit Singles "Duplex" Primary Chains (1) - B25 / C25 / B44 / B50 / Etc - Choose Brand / Application 1960's We will even include the

We will even include the fixing clips ($9

Restore your vintage BSA motorcycle back to showroom condition by applying our new BSA transfer decals

Also fits BSA 500 & 650 Unit Twins (Lightning

Correct for BSA 650 Unit Twins (Lightning

For the Sump Gaskets

Triumph / BSA Unit Singles "Duplex" Primary Chains (1) - B25 / C25 / B44 / B50 / Etc - Choose Brand / Application 1960's We will even include theIs 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 &