Skip to search results
loaded 123 results

Bike Helmets

(123 products)
Products (123)
Sort: Best Match
    Top Rated

    SmithEngage Mips Bike Helmet

    $77.93 - $130.00
    535 reviews with an average rating of 4.8 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.77 lbs
    Featured Tech:
    Mips
    Top Rated

    ThousandHeritage 2.0 Bike Helmet

    $73.93 - $99.00
    18 reviews with an average rating of 4.9 out of 5 stars
    Helmet Style:
    Skate / BMX
    Weight:
    0.97 to 1.15 lbs

    SmithTransit Mips Bike Helmet

    $95.00
    0 reviews
    Helmet Style:
    Recreational Cycling
    Weight:
    0.68 lbs
    Featured Tech:
    Mips

    ThousandChapter 2 Mips Bike Helmet

    $145.00
    0 reviews
    Helmet Style:
    Recreational Cycling
    Weight:
    0.79 to 0.91 lbs
    Featured Tech:
    Mips

    LazerCerro KinetiCore Bike Helmet

    $100.00
    0 reviews
    Helmet Style:
    Road Bike
    Weight:
    0.6 lbs

    GiroScamp Mips II Bike Helmet - Kids'

    $55.93 - $75.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Helmet Style:
    Recreational Cycling
    Weight:
    0.55 to 0.57 lbs
    Featured Tech:
    Mips

    SmithSidekick Jr. Mips Bike Helmet - Kids'

    $75.00
    0 reviews
    Helmet Style:
    Mountain Bike
    Weight:
    0.68 lbs
    Featured Tech:
    Mips

    ThousandJr. Bike Helmet - Toddlers'

    $44.00
    0 reviews
    Helmet Style:
    Recreational Cycling
    Weight:
    0.49 lbs

    GiroRegister Mips II Bike Helmet

    $74.95
    0 reviews
    Helmet Style:
    Recreational Cycling
    Weight:
    0.73 lbs
    Featured Tech:
    Mips

    GiroMerit Spherical Mips Bike Helmet

    $219.95
    0 reviews
    Helmet Style:
    Mountain Bike
    Weight:
    0.79 lbs
    Featured Tech:
    Mips

    FoxSpeedframe Mips Bike Helmet

    $104.93
    Save 25%
    compared to  $139.95
    3 reviews with an average rating of 5.0 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    1.9 lbs
    Featured Tech:
    Mips
    Top Rated

    TrekRally WaveCel Helmet

    $119.93
    Save 25%
    compared to  $160.00
    7 reviews with an average rating of 4.6 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.79 to 0.96 lbs
    Featured Tech:
    WaveCel

    SmithSignal Mips Bike Helmet

    $59.73
    Save 29%
    compared to  $85.00
    0 reviews
    Helmet Style:
    Road Bike
    Weight:
    0.66 lbs
    Featured Tech:
    Mips
    REI OUTLET
    Top Rated

    SmithPersist Mips Bike Helmet

    $77.93 - $130.00
    156 reviews with an average rating of 4.8 out of 5 stars
    Helmet Style:
    Road Bike
    Weight:
    0.66 lbs
    Featured Tech:
    Mips
    Top Rated

    TrekSolstice Mips Bike Helmet

    $70.00
    18 reviews with an average rating of 4.8 out of 5 stars
    Helmet Style:
    Recreational Cycling
    Weight:
    0.74 to 0.83 lbs
    Featured Tech:
    Mips

    GiroSynthe Mips II Bike Helmet

    $139.73
    Save 30%
    compared to  $200.00
    0 reviews
    Helmet Style:
    Road Bike
    Weight:
    0.61 lbs
    Featured Tech:
    Mips
    REI OUTLET
    Top Rated

    SmithExpress MIPS Cycling Helmet

    $65.93
    Save 40%
    compared to  $110.00
    190 reviews with an average rating of 4.6 out of 5 stars
    Helmet Style:
    Recreational Cycling
    Weight:
    0.73 lbs
    Featured Tech:
    Mips
    Top Rated

    SmithSignal MIPS Bike Helmet

    $85.00
    210 reviews with an average rating of 4.7 out of 5 stars
    Helmet Style:
    Road Bike
    Weight:
    0.66 lbs
    Featured Tech:
    Mips
    Top Rated

    TrekStarvos WaveCel Bike Helmet

    $105.00
    12 reviews with an average rating of 4.7 out of 5 stars
    Helmet Style:
    Road Bike
    Weight:
    0.66 to 0.85 lbs
    Featured Tech:
    WaveCel
    Top Rated

    GiroFixture Mips II Bike Helmet

    $74.95
    10 reviews with an average rating of 4.5 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.73 lbs
    Featured Tech:
    Mips

    BontragerCharge WaveCel Bike Helmet

    $89.93
    Save 40%
    compared to  $150.00
    18 reviews with an average rating of 3.6 out of 5 stars
    Helmet Style:
    Recreational Cycling, Electric Bike
    Weight:
    0.86 to 1.1 lbs
    Featured Tech:
    Blendr, WaveCel, Boa
    Top Rated

    SmithTrace MIPS Helmet

    $250.00
    451 reviews with an average rating of 4.8 out of 5 stars
    Helmet Style:
    Road Bike
    Weight:
    0.62 lbs
    Featured Tech:
    Mips
    Top Rated

    SmithSession MIPS Bike Helmet

    $101.93 - $170.00
    668 reviews with an average rating of 4.6 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.82 lbs
    Featured Tech:
    Mips
    Top Rated

    GiroRadix MIPS Bike Helmet

    $74.93 - $99.95
    46 reviews with an average rating of 4.8 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.7 lbs
    Featured Tech:
    Mips
    Top Rated

    SmithConvoy MIPS Bike Helmet

    $85.00
    389 reviews with an average rating of 4.7 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.66 lbs
    Featured Tech:
    Mips

    LazerStrada KinetiCore Bike Helmet

    $65.93 - $110.00
    8 reviews with an average rating of 4.1 out of 5 stars
    Helmet Style:
    Road Bike
    Weight:
    0.64 lbs
    Featured Tech:
    KinetiCore

    FoxFlight Bike Helmet

    $34.73
    Save 42%
    compared to  $59.95
    0 reviews
    Helmet Style:
    Recreational Cycling
    Weight:
    0.86 to 0.93 lbs
    REI OUTLET

    GiroSource Mips Bike Helmet

    $96.93 - $130.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.71 to 0.88 lbs
    Featured Tech:
    Mips

    CannondaleRyker Adult Bike Helmet

    $80.00
    0 reviews
    Helmet Style:
    Mountain Bike
    Weight:
    0.71 to 0.73 lbs

    GiroCaden II Bike Helmet

    $55.73
    Save 30%
    compared to  $80.00
    0 reviews
    Helmet Style:
    Recreational Cycling
    Weight:
    0.73 lbs
    REI OUTLET
Sort: Best Match

Related Expert Advice articles

Bike Helmets

Bike helmets are pieces of safety equipment designed to protect your head in the event of a fall or crash. They consist of an outer shell and interior protective liner made of polystyrene foam to absorb impacts. Manufacturers have created a suite of technologies to improve safety like MIPS, designed to dampen rotational trauma.

Types of Bike Helmets

You'll want to choose the type of helmet that suits your style of riding:

If you're concerned about bike safety, also see our selection of bike lights, reflectors and mirrors.

More Considerations

Look for some important features as you pick your helmet:

  • Ventilation: More vents increase wind flow, cooling you down.
  • Visors: Some helmets have a sun visor built in to keep your eyes shaded.
  • Face protection: Mountain bike helmets often have full face protection and a wraparound chin bar.

Bike Helmet Fit

Helmets should fit snuggly but not be uncomfortable. To get the right fit, first adjust the wheel or strap in the back. Then, buckle and tighten the chin strap. To test the fit, open your mouth wide. The helmet should press against the top of your head.

When to Replace your Helmet

Bike helmets are designed to absorb one impact. If you're been in any type of accident, it's best to get a new helmet even if it looks OK. Crash-free helmets should be replaced after five years as UV, weather and age can cause them to degrade.

Why Shop at REI

REI Co-op offers a 100% satisfaction guarantee. We carry helmets from top brands like Giro, Smith and Bern.