OEM Aprilia Key Blank with Transponder Chip (AP8104622)
Genuine Aprilia key blank with transponder chip for '04-'11 SR 50 Factory, and '01-'04 Atlantic 500.
This key blank can be taken to any locksmith to be cut as a spare key.
An Aprilia dealer can program the transponder chip in the key.
SR50 owners can program the key at home by following the procedure given in this excerpt from the factory service manual: SR50 Key Programming Instructions