ALSO FITS T150 AND T160 TRIDENT AND BSA ROCKET 3. SUITABLE FOR T140 TSS TSX TR7 AND EVEN EARLIER TWINS WITH EITHER 4 OR 5-SPEED GEARBOXES MODELS. A NEW TRIUMPH GEARBOX NEEDLE ROLLER BEARING WHICH FITS INTO THE CRANKCASE SUPPORTING THE INNER END OF THE LAY-SHAFT AT THE BACK OF THE GEARBOX.