Bontrager Bike Helmet Fit System - Boa | Trek Bikes (CA)
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Bontrager Bike Helmet Fit System - Boa

$39.99 Model 22317

Keep safe and look great with genuine replacement parts for your Bontrager helmet.

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Genuine replacement parts

Fit systems work hard to keep your helmet secure and to maximize safety.

Product details

  1. Original equipment replacement Boa® System for your Bontrager helmet
  2. Compatible with BOA®-equipped Bontrager helmets, except Velocis MIPS and WaveCel
  3. Can also be used to upgrade your Headmaster-equipped Bontrager helmet to the Boa System
  4. Full length fit system designed for use with medium and large sized helmets
  5. Short length fit system designed to optimize the fit of small sized helmets

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