Bonneville America Forums Forums Technical Forums Accessories Thruxton tank - what about the idiot lights

Are the Joker risers spacing 3-1/2" center to center? If so, it can be easily made to fit with 1/2"-10 mm transition bolts, or just enlarge your tree H.Bar Riser holes from 10 mm to 1/2", as the most common Risers out there, mount on with 1/2" bolts anyway..