BSA & Triumph Unit Singles Mainshaft Bearing. Sealed so that it prevents ingress of dirt and protects your bearing.

Fits BSA Unit Singles (C15, B40, B44, C25, B25, TR25W Trophy, B25SS, B50, TR5MX & B50MX) from 1965-1973.

Also fits various BSA C11 & C12. Norton 18, ES2, Dominator & Commando.

BSA Mainshaft Bearing BSA B25 C25 B44 B50 90-0011 Triumph TR25W 70-8151 LJ5/8ZZ

Add to Order

Click any of the line items below to add them to your order.