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Deal.ai › Compare

Fox Racing V1 Helmet vs O'Neal Sierra Helmet

The Fox V1 is the safer, more track-focused pick: polycarbonate shell, Double-D buckle and both DOT and ECE 22.06 certification. The O'Neal Sierra is the more versatile helmet, with a Bluetooth-ready setup and a full-face design that suits riders who want to talk or listen on the trail. Owners of the V1 praise its fit and ventilation; the Sierra is the better step up if connectivity matters more than a race-legal buckle.

  • Choose the Fox V1 if you ride motocross or enduro and want a race-legal Double-D buckle with DOT and ECE certification.
  • Choose the O'Neal Sierra if you want a full-face off-road helmet with Bluetooth built in for music or calls on the trail.

Prices

  • Fox Racing V1 Helmet: $156.46 at chromeburner.com (last seen Nov 9)
  • O'Neal Sierra Helmet: $149.00 at eBay (last seen Nov 10)
  • Difference: the O'Neal Sierra Helmet is $7.46 cheaper than the Fox Racing V1 Helmet at the latest prices (Nov 9 and Nov 10)
Fox Racing
Fox Racing V1 Helmet

Fox Racing V1 Helmet

$156.46at chromeburner.comChecked Nov 9
See all prices and details
Visit chromeburner.com
Pros
  • Double-D buckle is race legal
  • DOT and ECE 22.06 certified
  • Strong ventilation with 7 intakes and 4 exhausts
  • Large peak and wide eyeport for goggles
Cons
  • No Bluetooth
  • Polycarbonate shell, not composite
  • Double-D buckle takes longer to fasten
O'Neal
O'Neal Sierra Helmet

O'Neal Sierra Helmet

$149.00at eBayChecked 9 h ago
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • Bluetooth built in for music and calls
  • Full-face off-road coverage
  • ECE certified
Cons
  • No DOT certification listed
  • Buckle type not stated as Double-D
  • Fewer published ventilation details

What separates them

Fox Racing V1 HelmetO'Neal Sierra Helmet
Chin strapDouble-D buckle, the only type allowed on the racetrackNot specified as Double-D
CertificationDOT and ECE 22.06ECE certified
BluetoothNot built inBluetooth ready
Shell materialPolycarbonateNot specified
Ventilation7 intake and 4 exhaust portsNot specified
Goggle eyeportLarge eyeport sized for MX gogglesFull-face off-road design
PeakLarge peak for sun and roostNot specified

Price history

$208.99$149.00
Nov 10Nov 11
  • Fox Racing V1 Helmet: lowest $156.46 on Nov 10 at chromeburner.com; $208.99 on Nov 11.
  • O'Neal Sierra Helmet: lowest $149.00 on Nov 11 at eBay.

Prices at every store

Fox Racing V1 Helmet

  • chromeburner.comNew

    In stockShips from abroad · duties may apply

    $156.46+ $24.95 shippingChecked Nov 9
    Visit chromeburner.com
  • North 40 OutfittersNew

    Availability unknown

    $219.99Checked 9 h ago
    Visit North 40 Outfitters
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $232.99Free shippingChecked 9 h ago
    Visit Amazon
  • eBayNew

    Availability unknownSold by mypowersports_com

    $249.95Checked 9 h ago
    Visit eBay

Store links may earn us a commission.

All 14 stores and price history →

O'Neal Sierra Helmet

  • eBayNew

    Availability unknownSold by visana19

    $149.00Checked 9 h ago
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $161.99Free shippingChecked 9 h ago
    Visit Amazon
  • oemcycle.comNew

    Availability unknown

    $161.99Checked 9 h ago
    Visit oemcycle.com
  • Motorcycle CloseoutsNew

    Availability unknown

    $161.99Checked 9 h ago
    Visit Motorcycle Closeouts

Store links may earn us a commission.

All 7 stores and price history →

Specs compared

SpecFox Racing V1 HelmetO'Neal Sierra Helmet
StyleFull Face, Off-roadFull Face, Off-road
ECE CertifiedYesYes
UseMotorcycleMotorcycle
DOT CertifiedYes—
Bluetooth—Yes
Department—Men's / Unisex
Size—X-Large

What reviewers say

Fox Racing V1 Helmet

Owners treat the V1 as a solid first dirt helmet: certified, comfortable enough and easy to live with. Complaints center on weight and wind noise at speed, and on venting that is only average on slow trails.

What people mention
  • WeightCriticisedRiders say the polycarbonate shell feels heavier than pricier composite helmets.
  • VentilationMixedThe ports work at speed but airflow is modest on slow trails.
  • NoiseCriticisedSome owners notice wind noise at higher speeds.
  • FitPraisedMany riders find the padding comfortable and the fit true to size.

Questions and answers

Which is better for motocross track days?
The Fox V1. Its Double-D buckle is the only type allowed on the racetrack, and it carries both DOT and ECE 22.06 certification.
Which helmet lasts longer?
Both use similar construction, but the V1's polycarbonate shell and Double-D buckle are simple and proven. Replace any helmet after a crash or when the liner wears out.
Is the O'Neal Sierra worth stepping up to?
Only if you want Bluetooth for music or calls. The V1 is the stronger pick on safety certification and track legality.
Can I use either with goggles?
Yes. Both are off-road full-face helmets, and the V1 has a large eyeport sized for MX goggles.
Does the Fox V1 have Bluetooth?
No. The V1 has no built-in Bluetooth. The O'Neal Sierra is the one with connectivity.

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