Here is the lever and pulley that applies pressure on the belt so it can transfer the engine power to the rear wheel. Original used ball bearings and the new replacement uses a sealed bearing.
Tribbey motorcycle tales: 1911 Excelsior Restoration, Cannonball, and Cross Country Chase.
Excelsior Auto Cycle (Tribbey – Hazen)
Here is the lever and pulley that applies pressure on the belt so it can transfer the engine power to the rear wheel. Original used ball bearings and the new replacement uses a sealed bearing.
