Bell Helmets Pit Boss Catacomb Helmet ::

Bell Helmets Pit Boss Catacomb Helmet (L - XXXL Only)


From the first time you put the Pit Boss helmet on, you can feel the difference. The ultra-light TriMatrix construction keeps weight to a minimum while still passing tough DOT standards. Also featuring Bell’s innovative Speed Dial fit system, providing unmatched levels of comfort while drastically reducing the tendency for open face helmets to lift off of the head.


  • Convenient speaker pockets for easy communication device set-up
  • Industry-Leading Five-Year Warranty
  • Innovative Speed Dial adjustable fit system
  • Internal Sun Shade offers “on the fly” protection from the sun
  • Lightweight composite shell or Carbon composite shell
  • Removable neck curtain for cold-weather riding
  • DOT certified

Please Note: We can only ship Bell Helmet products to addresses in the 50 US states, US Territories and any APO/FPO addresses (per manufacturer’s restrictions).

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Sizing Information

Size Head (inches) Head (cm) Hat Size
XS/Small 20 3/4 – 21 5/8 53-56cm 6 5/8 – 7
Medium 22 – 22 3/4 56-58cm 7 – 7 1/4
Large 22 3/4 – 23 5/8 58-60cm 7 1/4 – 7 1/2
XL/XXL 24 – 24 3/4 61-63cm 7 5/8 – 7 7/8
XXXL 24 3/4 – 25 1/4 63-64cm 7 7/8 – 8

This sizing chart is based on information provided to us by Bell Helmets and is subject to change without notice, although we will do our very best to keep it up to date. We recommend that you measure your head by wrapping a cloth tape measure around your head about 1 inch or 2.5 cm above your eyebrows, which should be the largest portion of your head. Choose the helmet that is closest to your measured head size. If you fall between two sizes, choose the smaller of the two. You want a helmet to fit snug without being uncomfortable.