Wheels DNA Fatty 40 Fat Spoke. Wheels Dna Mammoth 52 Fat Spoke. Handlebars & Risers. Wheels Ultima 48 Fat spoke. Bars fit forks with riser spacing of 3 1/2" knurling on center standard on Harley. Most applications will require longer cables and extension of handlebar wiring (Available at most Harley dealers in Drag Specialties catalog).