High quality Stage6 silver small end bearing for Piaggio engines and other 12mm conrod engines (e.g. Aerox oversize).
The best bearings available on the market!

This bearing is slighter wider than standard (15mm instead of standard 13mm) as used by some aftermarket cylinder kits/ crankshafts for tuning purposes (check your old one)

Size = 12mm ID x 17mm OD x 15mm wide