AXOR Apex Solid Gloss Hex Blue Helmet fork sliders F 650 GS 2008 > Size:Small F 650 GS 2008 > 2015 Protection for all petrol and diesel engines extends the service life of the engine protects against valves burning out loosens deposits on resin coated piston rings removes oil sludge and unblocks clogged oil ducts neutralises aggressive combustion acids supplements used up engine oil ingredients minimises friction resistance suitable for oil diluted with biofuels corresponds to latest api engine oil standards the usage instructions are recommendations based on the tests we have conducted and our experience the pinnacle of sport touring helmets meticulously crafted to fulfill the requirements of riders in search of ultimate stability and unmatched aerodynamic performance Pinlock 30 x 1 Antifog lens included with Axor Apex Helmets