Dunlop 160/80-16 Elite 4 Rear Tyre - 80H Bias TL SIZE:160/80-16 Designed for the Triumph Trident

Designed for the Triumph Trident 660 21-

Internal vacuum-injected grease ensures the O-Rings remain supple for several thousand kilometres

if so if it's the right part:

This fine product is designed for the final drives and transmissions of all shaft drive motorcycles that do not have a wet clutch

Additional airflow zones

Dunlop 160/80-16 Elite 4 Rear Tyre - 80H Bias TL SIZE:160/80-16 Designed for the Triumph TridentMiles, miles, and more miles: The Elite 4 with MT Multi Tread technology in the rear provides significantly more mileage than single compound tyres. Its also available in sizes to fit hundreds of different models, from new Gold Wings to bikes dating back to the early 1980s. All Elite 4 rear tyres utilize Dunlops MT Multi Tread technology with a long wearing compound in the center of the tyre and a lateral grip compound on each shoulder, providing