STI Genuine Oil Filler CapThis oil filler cap consists of a die cast aluminium base that has been machined, and given a stylish resin cover. Shape of the cap has been specially designed to allow for use even when wearing work gloves. For times when the cap is difficult to remove, it contains special service holes under the resin cover that allow you to use the on board wheel wrench to loosen the cap when it is too tight to do so by hand. The silver aluminium base with embossed