i think you can email him at mike@reaperchoppers.com
i had the same neck problem, it's an age thing with me. i use 1 1/4 reaper risers and helibars. it's the perfect combination for me. had to re route the fast idle cable but the other cables worked just fine. the only set back is the fluid resevoirs touch the, suzuki db, windscreen on a full turn.