BzzzKill Harmonic Dampers By Mathews

Using harmonic damper technology borrowed from the bow industry, BzzzKill inserts are a simple and effective way to cancel high frequency road vibrations. Plugs are easy to install and fit directly into the end of the handlebar. Aluminum insert. Sold as a pair.


$9.99 - $19.99


  • Utilizes Mathews' Harmonic Damper technology to cancel high frequency vibrations
  • Easily installs on most road handlebars
  • Brass version is 50g heavier than aluminum version and provides even greater vibration control
  • Begin tape on outside of bar, and finish near the stem clamp
  • Plugs fit directly into the end of the handlebar (Do not tuck excess tape into handlebar end)
Part No. MSRP* Model Color
421194 19.99 BzzzKill Brass - Grey (1 pair) Grey
421193 9.99 BzzzKill Aluminum - Grey (1 pair) Gray

*Pricing is set by Bontrager retailers and does not include freight, import duties or taxes for retailers outside of the US.