Bell Stratus MIPS Road Helmet (White/Silver) (M)

Bell Stratus MIPS Road Helmet (White/Silver) (M)
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Price: $169.95
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Average Rating:4
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Bell's Stratus MIPS Helmet combines lightweight aero efficiency with cutting-edge comfort technologies. The shape was refined for all-around road performance, ventilated for long climbs but still fast for the flats. The integrated float fit system offers comfort and security with a streamlined fit and an oversized dial that's easy to adjust with one hand. The overbrow ventilation system pulls cool air in through the front and pushes it through an air-channel matrix to reduce overheating. And thanks to the adjustable no-twist tri-glides, the straps stay flat and properly positioned no matter how hard you're hammering. This model also includes MIPS (Multi-Directional Impact Protection System) for added protection in certain types of impacts.  


  • Overbrow ventilation features intake ports on the brow of the helmet to usher in cool air and push it through the air-channel matrix for full-head ventilation
  • MIPS: Stands for multi-directional impact protection system, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts.
  • Lightweight internal polycarbonate roll cage
  • Float Fit:  Minimalist lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS)
  • No-twist tri-glides: quick-adjust fasteners that help keep straps flat and properly positioned
  • Interior sweat guide pad design pulls moisture away from the brow pad and away from eyewear
Construction: Fusion in-mold polycarbonate shell   
Compliance: CPSC Bicycle   
Total Vents: 18 vents   
Weight: 300 grams (Size M)

This product was added to our catalog on October 14, 2019

Thursday, Mar 26 2020 (7 months ago)
Bell Stratus MIPS Road Helmet (White/Silver) (S)
This is a very good helmet, with one exception- the chinstrap is too short and consequently frequently comes out of the buckle, as there is no retainer at the end of the strap to keep it from doing so. This is potentially dangerous, because in the event of an accident the strap could pull out of the buckle rather than stay in place so that the helmet stays in place and provides protection. It's also time-consuming and annoying to have to frequently thread the strap back through the buckle when it comes out.
Sunday, Aug 23 2020 (2 months ago)
Bell Stratus MIPS Road Helmet (White/Silver) (L)
I have this helmet in the yellow color; it's serving me well.

I had the same problem as another reviewer with the too-short chin straps coming loose. Ten minutes with a needle and thread solved it. That's good because I like these Bell helmets.

Bell: you could spring for an extra 3-4 cm of strap material.
Hat Size (Inches)InchesCentimeters
S6-1/2" - 7"20-1/2" - 22"51cm - 56cm
M6-7/8" - 7-3/8"21-5/8" - 23-1/4"55cm - 59cm
L7-1/4" - 7-3/4"22-7/8" - 24-3/4"58cm - 63cm
Note: All measurements are provided by the manufacturer and may vary depending on how measurements are acquired.