Gran Turismo lambretta crank with 60mm stroke and 110mm connecting rod with 22mm small end eye.
Requires a special step down small end bearing if using with pistons which use a 16mm gudgeon pin (RB, TS1, RT Etc), these are not supplied but are available HERE for standard length and HERE for pistons that require the wider type (Japanese pistons)
 
 
Part number: LUGTLSC60/110