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The high-performance, lightweight Lithos has everything hard-charging mountain bikers need to tackle the most demanding trails. Excellent coverage. Awesome high-speed and low-speed ventilation. And great usability, thanks to a removable and adjustable visor that gives 10-degrees of indexed tilt adjustment.

Price

$129.99

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Lithos

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Features

  • Designed with professional athletes for the highest performance
  • Very light with great ventilation
  • Excellent coverage
  • One-hand adjustable Micro-Manager fit system
  • Easy-to-use Lockdown side strap adjusters
  • Removable visor with 10 degrees of adjustability
  • In-molded shell with internal reinforcements
Part No. MSRP* Certification Color Size Weight
420421 129.99 CE, CPSC Adult Black Bontrager S 52 - 56cm 310g
420422 129.99 CE, CPSC Adult Black Bontrager M 54 - 60cm 330g
420423 129.99 CE, CPSC Adult Black Bontrager L 58 - 64cm 350g
420425 129.99 CE, CPSC Adult White Bontrager S 52 - 56cm 310g
420426 129.99 CE, CPSC Adult White Bontrager M 54 - 60cm 330g
420427 129.99 CE, CPSC Adult White Bontrager L 58 - 64cm 350g
420429 129.99 CE, CPSC Adult Digital Blue Bontrager S 52 - 56cm 310g
420430 129.99 CE, CPSC Adult Digital Blue Bontrager M 54 - 60cm 330g
420431 129.99 CE, CPSC Adult Digital Blue Bontrager L 58 - 64cm 350g
420433 129.99 CE, CPSC Adult Tech Gray Bontrager S 52 - 56cm 310g
420434 129.99 CE, CPSC Adult Tech Gray Bontrager M 54 - 60cm 330g
420435 129.99 CE, CPSC Adult Tech Gray Bontrager L 58 - 64cm 350g

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

Lithos

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Pro Sizing

Measure the circumference of your head using a cloth tape measure or a piece of string and a ruler. Use the chart below to find the proper helmet size based on your measurement.

cm 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66
  Small                  
          Medium            
                  Large    
                      X-Large

1 Head

Take your measurement horizontally across your brow and over your ears.