high frequency

Hello all, Just had front and rear ME888's installed on 2011 Roadster and have about 75 miles on them now. Since installed, have noticed high frequency vibration in the bars that wasn't there before. Not a shaking the handlebar vibration, but definitely high frequency. Happens between 20-40 mph...

My 2020 Rocket 3R engine has been very smooth for it's first 17,000 km. For the last 3,000 km I've been experiencing a high frequency vibration in the handle bars, foot pegs and seat. The vibration can be felt at any revs but is more noticeable from 4000 rpm. Vibration is felt when moving or...