Mountain Bike Helmets

Mountain Bike Helmets with MIPS, Ventilation, Lightweight Shells, and Trail Riding Protection

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Product image of Troy Lee Designs - Stage Signature MIPS Helmet (MTB) SKU:115037021 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - Stage Signature MIPS Helmet (MTB) SKU:115037021 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - Stage Signature MIPS Helmet (MTB)
$192 $320
40% OFF
Product image of Troy Lee Designs - Stage Signature Camo MIPS Helmet (MTB) SKU:115545011 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - Stage Signature Camo MIPS Helmet (MTB) SKU:115545011 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - Stage Signature Camo MIPS Helmet (MTB)
$192 $320
40% OFF
Product image of Troy Lee Designs - Stage Valance MIPS Helmet (MTB) SKU:115042011 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - Stage Valance MIPS Helmet (MTB) SKU:115042011 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - Stage Valance MIPS Helmet (MTB)
$192 $320
40% OFF
Product image of Troy Lee Designs - D4 Composite Matrix MIPS Helmet (MTB) SKU:140680001 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - D4 Composite Matrix MIPS Helmet (MTB) SKU:140680001 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - D4 Composite Matrix MIPS Helmet (MTB)
$239.99 $399.99
40% OFF
Product image of Troy Lee Designs - D4 Composite Qualifier MIPS Helmet (MTB) SKU:140559041 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - D4 Composite Qualifier MIPS Helmet (MTB) SKU:140559041 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - D4 Composite Qualifier MIPS Helmet (MTB)
$239.99 $399.99
40% OFF
Product image of Troy Lee Designs - D4 Composite Matrix Camo MIPS Helmet (MTB) SKU:140035001 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - D4 Composite Matrix Camo MIPS Helmet (MTB) SKU:140035001 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - D4 Composite Matrix Camo MIPS Helmet (MTB)
$240 $400
40% OFF
Product image of Troy Lee Designs - D4 Carbon Saber MIPS Helmet (MTB) SKU:139942001 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - D4 Carbon Saber MIPS Helmet (MTB) SKU:139942001 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - D4 Carbon Saber MIPS Helmet (MTB)
$360 $600
40% OFF
Product image of Troy Lee Designs - Flowline Orbit MIPS Helmet (MTB) SKU:108959001 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - Flowline Orbit MIPS Helmet (MTB) SKU:108959001 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - Flowline Orbit MIPS Helmet (MTB)
$71.40 $119
40% OFF
Product image of Troy Lee Designs - Flowline SE Radian Camo MIPS Helmet (MTB) SKU:110063011 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - Flowline SE Radian Camo MIPS Helmet (MTB) SKU:110063011 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - Flowline SE Radian Camo MIPS Helmet (MTB)
$96 $160
40% OFF
Product image of Troy Lee Designs - A1 MIPS Classic Youth Helmet (MTB) SKU:169111250 | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - A1 MIPS Classic Youth Helmet (MTB) SKU:169111250 | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - A1 MIPS Classic Youth Helmet (MTB)
$59.40 $99
40% OFF
Image showing Leatt, DBX 3.0 All Mountain Helmet (MTB) Mountain Bike in Blue, Sizes: SDetailed product image of Leatt, DBX 3.0 All Mountain Helmet (MTB) Mountain Bike, Sizes: S - alternate view
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Leatt - DBX 3.0 All Mountain Helmet (MTB)
$144.49 $169.99
15% OFF
Studio product image of Leatt, V23 Enduro 2.0 Helmet (MTB) Mountain Bike in Suede, Colors: Suede, Titanium, Sizes: LG, MD, SM, SKU: 1023014850Detailed product image of Leatt, V23 Enduro 2.0 Helmet (MTB) Mountain Bike, Colors: Suede, Titanium, Sizes: LG, MD, SM, SKU: 1023014850 - alternate view
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Leatt - V23 Enduro 2.0 Helmet (MTB)
$199.99 $199.99
Detailed product image of Leatt, V23 Gravity 1.0 Jr Helmet (Youth) (MTB) Mountain Bike in Black, Colors: Black, Fire, Sizes: XS, XXSProduct image of Leatt, V23 Gravity 1.0 Jr Helmet (Youth) (MTB) Mountain Bike, Colors: Black, Fire, Sizes: XS, XXS - alternate view
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Leatt - V23 Gravity 1.0 Jr Helmet (Youth) (MTB)
$89.99 - $110
Studio product image of Leatt, V23 Gravity 4.0 Helmet (MTB) Mountain Bike in Alpine, Colors: Alpine, Suede, Titanium, White, Sizes: LG, MD, SM, XL, SKU: 1023013851Image showing Leatt, V23 Gravity 4.0 Helmet (MTB) Mountain Bike, Colors: Alpine, Suede, Titanium, White, Sizes: LG, MD, SM, XL, SKU: 1023013851 - alternate view
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Leatt - V23 Gravity 4.0 Helmet (MTB)
$202.49 $269.99
25% OFF
Studio product image of Leatt, V23 Gravity 8.0 Helmet (MTB) Mountain Bike in Fire, Sizes: LG, MD, SM, XLStudio product image of Leatt, V23 Gravity 8.0 Helmet (MTB) Mountain Bike, Sizes: LG, MD, SM, XL - alternate view
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Leatt - V23 Gravity 8.0 Helmet (MTB)
$322.49 $429.99
25% OFF
Product image of Leatt, Dbx 3.0 DH V19.2 Helmet (MTB) Mountain Bike in XL, Colors: LG, MD, SM, XL, Sizes: BlackProduct image of Leatt, Dbx 3.0 DH V19.2 Helmet (MTB) Mountain Bike, Colors: LG, MD, SM, XL, Sizes: Black - alternate view
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Leatt - Dbx 3.0 DH V19.2 Helmet (MTB)
$169.99 $169.99
Detailed product image of Leatt, Dbx 3.0 V19.3 DH Helmet (MTB) Mountain Bike in SM, Colors: LG, MD, SM, XL, Sizes: Stadium Ink, Stadium Ruby, SKU: 1019303633Product image of Leatt, Dbx 3.0 V19.3 DH Helmet (MTB) Mountain Bike, Colors: LG, MD, SM, XL, Sizes: Stadium Ink, Stadium Ruby, SKU: 1019303633 - alternate view
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Leatt - Dbx 3.0 V19.3 DH Helmet (MTB)
$189.99 $189.99
Catalog studio image of O'Neal, Trailfinder Helmet (MTB) Mountain Bike, SKU 0013T-102, color options Black, sizes S/M, LG/XLCatalog studio image of O'Neal, Trailfinder Helmet (MTB) Mountain Bike, color options Black, sizes S/M, LG/XL - alternate view
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O'Neal - Trailfinder Helmet (MTB)
$80.99 $89.99
10% OFF
Studio photo showcasing O'Neal, Backflip Eclipse Helmet (MTB) Mountain Bike, SKU 0500-341, color options Black/Grey, sizes XS–2XStudio image highlighting O'Neal, Backflip Eclipse Helmet (MTB) Mountain Bike, color options Black/Grey, sizes XS–2X - alternate view
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O'Neal - Backflip Eclipse Helmet (MTB)
$98.99 $109.99
10% OFF
Studio photo showcasing O'Neal, Sonus Helmet (MTB) Mountain Bike, SKU 0481-701, color options Black, sizes XS–XLDetailed studio photograph of O'Neal, Sonus Helmet (MTB) Mountain Bike, SKU 0481-705, color options Black, sizes XS–XL - alternate view
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O'Neal - Sonus Helmet (MTB)
$89.99 $99.99
10% OFF
Studio image on a white background of O'Neal, Sonus Split Helmet (MTB) Mountain Bike, SKU 0481-731, color options Black/White, Black/Teal, sizes XS–XLStudio image highlighting O'Neal, Sonus Split Helmet (MTB) Mountain Bike, color options Black/White, Black/Teal, sizes XS–XL - alternate view
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O'Neal - Sonus Split Helmet (MTB)
$89.99 $99.99
10% OFF
Studio image on a white background of O'Neal, Blade Polyacrylite Ace Helmet (MTB) Mountain Bike, SKU 0453-551, color options Black/Neon Yellow, sizes XS–XLStudio photo showcasing O'Neal, Blade Polyacrylite Ace Helmet (MTB) Mountain Bike, color options Black/Neon Yellow, sizes XS–XL - alternate view
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O'Neal - Blade Polyacrylite Ace Helmet (MTB)
$170.99 $189.99
10% OFF
Detailed studio photograph of O'Neal, Blade Carbon IPX Helmet (MTB) Mountain Bike, SKU 0450-001, color options Red/Black/White, sizes XS–XLCatalog studio image of O'Neal, Blade Carbon IPX Helmet (MTB) Mountain Bike, color options Red/Black/White, sizes XS–XL - alternate view
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O'Neal - Blade Carbon IPX Helmet (MTB)
$386.99 $429.99
10% OFF
Studio image highlighting O'Neal, Blade Polyacrylite Helmet (MTB) Mountain Bike, SKU 0453-541, color options Black, sizes XS–XLStudio product photo on a neutral background of O'Neal, Blade Polyacrylite Helmet (MTB) Mountain Bike, color options Black, sizes XS–XL - alternate view
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O'Neal - Blade Polyacrylite Helmet (MTB)
$170.99 $189.99
10% OFF
Clean studio photo on a white background of O'Neal, Blade Hyperlite IPX Charger Helmet (MTB) Mountain Bike, SKU 0452-001, color options Black/White, sizes XS–XLStudio image on a white background of O'Neal, Blade Hyperlite IPX Charger Helmet (MTB) Mountain Bike, SKU 0452-005, color options Black/White, sizes XS–XL - alternate view
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O'Neal - Blade Hyperlite IPX Charger Helmet (MTB)
$269.99 $299.99
10% OFF
Product image of Troy Lee Designs - A1 MIPS Helmet (MTB) (Youth) SKU:169111300 | Colors: Blk, Rocket Red | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - A1 MIPS Helmet (MTB) (Youth) SKU:169111300 | Colors: Blk, Rocket Red | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - A1 MIPS Helmet (MTB) (Youth)
$60 $100
40% OFF
Product image of Troy Lee Designs - A1 Classic W/ MIPS Helmet (MTB) SKU:190111180 | Sizes: XS, SM | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - A1 Classic W/ MIPS Helmet (MTB) SKU:190111153 | Sizes: XS, SM | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - A1 Classic W/ MIPS Helmet (MTB)
$87 $145
40% OFF
Product image of Troy Lee Designs - A1 Drone Helmet (MTB) SKU:131259000 | Sizes: XS, SM | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - A1 Drone Helmet (MTB) SKU:131259000 | Sizes: XS, SM | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - A1 Drone Helmet (MTB)
$53.40 $89
40% OFF
Product image of Troy Lee Designs - A1 Drone Helmet (Youth) (MTB) SKU:127097000 | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - A1 Drone Helmet (Youth) (MTB) SKU:127097000 | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - A1 Drone Helmet (Youth) (MTB)
$47.40 $79
40% OFF
Product image of Troy Lee Designs - Stage Nova W/ MIPS Helmet (MTB) SKU:115254051 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO SportsProduct image of Troy Lee Designs - Stage Nova W/ MIPS Helmet (MTB) SKU:115254051 | Sizes: XS/S, M/L | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports - alternate view
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Troy Lee Designs - Stage Nova W/ MIPS Helmet (MTB)
$192 $320
40% OFF
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Mountain Bike Helmets | Cycling Helmets for Trail and Downhill

Mountain bike helmets are designed to protect riders across a wide range of terrain, from flowing singletrack to steep downhill lines and technical trail systems. Unlike road helmets, MTB helmets prioritize extended rear coverage, impact absorption for uneven terrain, and ventilation that works at lower speeds and higher effort levels. Choosing the right mountain bike helmet directly affects safety, comfort, and confidence on the trail.

This collection includes mountain bike, downhill, trail, enduro, and e-bike helmets built to meet modern safety standards while addressing the unique demands of off-road cycling. Whether you prefer a lightweight trail helmet or a full-coverage downhill design, these helmets are engineered to manage rotational forces, repeated impacts, and long rides in varied conditions.

Trail, Enduro, and Downhill MTB Helmets

Trail and enduro helmets focus on balanced coverage and ventilation, making them ideal for long climbs and aggressive descents. Downhill mountain bike helmets add reinforced shells, chin bars, and expanded protection zones for high-speed riding and bike park use.

Explore premium designs from brands known for mountain bike innovation, including Troy Lee Designs MTB helmets, Fox Racing MTB helmets, and Bell MTB helmets.

Advanced Protection & Technology-Driven Helmets

Many modern mountain bike helmets incorporate rotational impact protection systems, advanced EPS liners, and optimized ventilation channels. These features are especially important for downhill and technical trail riding, where crashes can involve angled impacts.

Riders focused on cutting-edge safety can browse options from Leatt MTB helmets, 6D MTB helmets, and Alpinestars MTB helmets, all known for engineering-led protection systems.

Lightweight & Everyday Trail Riding Helmets

For riders who spend most of their time on trails and cross-country routes, lightweight helmets with high airflow and all-day comfort are essential. These designs reduce fatigue while still providing reliable impact protection.

Browse trail-focused options from 100% MTB helmets, Fly Racing MTB helmets, and O’Neal MTB helmets.

Mountain Bike Helmets on Sale

Riders looking for value can explore discounted options in mountain bike clearance helmets. These helmets often include previous-generation models or limited inventory that still meet safety standards while offering strong cost savings.

How to Choose the Right Mountain Bike Helmet

  • Riding style: Trail, enduro, downhill, or bike park riding all require different coverage levels.
  • Coverage: Extended rear and side protection improves safety on technical terrain.
  • Ventilation: Airflow matter