Vespa PX/T5/Cosa (1982-)PK Gilera Front Drum/Hub Roller Bearing (20x26x16mm)
The Front Hub Roller Bearing is fitted to the front hub. The Fork Link shaft then sits on this. This Bearing is also universal to a variety of different vehicles also,
Advice: The shorter part of the Stud is inserted into the Hub.
Comparison Part No. 177442 (PIAGGIO), SF5041127 (LML)