Scroll down to "Shimano 105 - Silver" or "Shimano 105 - Black", then click on "S.T.I. Shift/Brake Lever".
http://bike.shimano.com/catalog/glo...<>ast_id=1408474395181419&bmUID=1147653943018
http://bike.shimano.com/catalog/glo...<>ast_id=1408474395181419&bmUID=1147653943018