The pinnacle gabbro 3 fork is a genuine replacement fork for the 2013 gabbro 3 the gabbro 3 offers the speed and efficiency of a light road bike but with the practical advantage of being able to accommodate larger tyres and mudguards the fork has carbon blades with an aluminium 1 18 steerer and has guard eyelets available in blood orange red only to match the gabbro 3 frame