16mm inside diameter
22mm outside diameter
These small end bearings allow a piston which uses a 16mm gudgen pin to be used with a conrod that uses an 18mm gudgen pin.
The GT cranks and conrod kits all have a small end eye for an 18mm gudgen pin.
If you have a GT conrod you will require one of these bearings if you have::
Standard TS1 piston
The 22mm wide special small end bearing is listed below.