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Helmet Buying Guide
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Not sure what sized bike is best?

Answer a few short questions and we'll make a recommendation on which size is best for you.

Bell Full-10 Spherical MIPS Full Face MTB Helmet Matte Black
$551 Off Full Price

Bell

Bell Full-10 Spherical MIPS Full Face MTB Helmet Matte Black

$499.00 Full price
$499.00
Club price
$1,049.95 Full price
FOX Proframe Fullface MIPS Helmet Matte Black 2023
MIPS

FOX

FOX Proframe Fullface MIPS Helmet Matte Black 2023

$359.00 Full price
$359.00
Club price
$399.99 Full price
MET Crossover Helmet Blue Black/Matt with LIGHT

Met

MET Crossover Helmet Blue Black/Matt with LIGHT

$89.00 Full price
$89.00
Club price
$99.00 Full price
Cinettica Kyklo Kids Helmet Blue
39% Off Full Price

Cinettica

Cinettica Kyklo Kids Helmet Blue

$30.00 Full price
$30.00
Club price
$49.99 Full price
Bell 4Forty MIPS Air MTB Helmet Black
50% Off Full Price

Bell

Bell 4Forty MIPS Air MTB Helmet Black

$124.00 Full price
$124.00
Club price
$249.99 Full price
Met Idolo 2 Road Helmet Black Matt

Met

Met Idolo 2 Road Helmet Black Matt

$98.00 Full price
$98.00
Club price
$109.95 Full price
Met Idolo 2 Road Helmet White Glossy

Met

Met Idolo 2 Road Helmet White Glossy

$98.00 Full price
$98.00
Club price
$109.95 Full price
FOX Proframe Full Face MTB Helmet Matt Black 2024
26% Off Full Price Coming Soon

FOX

FOX Proframe Full Face MTB Helmet Matt Black 2024

$329.00 Full price
$329.00
Club price
$449.99 Full price
Bell 4Forty MIPS Air MTB Helmet Black/Camo
50% Off Full Price

Bell

Bell 4Forty MIPS Air MTB Helmet Black/Camo

$124.00 Full price
$124.00
Club price
$249.99 Full price
Cinettica Kyklo Kids Helmet Pink
39% Off Full Price

Cinettica

Cinettica Kyklo Kids Helmet Pink

$30.00 Full price
$30.00
Club price
$49.99 Full price
Bell XR Spherical MIPS Road Helmet Titanium
50% Off Full Price

Bell

Bell XR Spherical MIPS Road Helmet Titanium

$189.95 Full price
$189.95
Club price
$379.95 Full price
Bell XR Spherical MIPS Road Helmet Blue
50% Off Full Price

Bell

Bell XR Spherical MIPS Road Helmet Blue

$189.95 Full price
$189.95
Club price
$379.95 Full price
FOX Dropfrome Pro MTB Helmet AS Matte Black 2025
22% Off Full Price

FOX

FOX Dropfrome Pro MTB Helmet AS Matte Black 2025

$349.00 Full price
$349.00
Club price
$449.99 Full price
Bell 4Forty MIPS Air MTB Helmet White/Black
50% Off Full Price

Bell

Bell 4Forty MIPS Air MTB Helmet White/Black

$124.00 Full price
$124.00
Club price
$249.99 Full price
MET Idolo Road Helmet Black

Met

MET Idolo Road Helmet Black

$98.00 Full price
$98.00
Club price
$109.95 Full price
Lazer Strada Kineticore Road Helmet Matte Dark Grey/Flash Yellow
68% Off Full Price

Lazer

Lazer Strada Kineticore Road Helmet Matte Dark Grey/Flash Yellow

$54.00 Full price
$54.00
Club price
$169.99 Full price
Met Idolo Road Helmet Blue Metallic UNI

Met

Met Idolo Road Helmet Blue Metallic UNI

$98.00 Full price
$98.00
Club price
$109.95 Full price
Bell 4Forty Mips Helmet Mat/Gloss Black
42% Off Full Price

Bell

Bell 4Forty Mips Helmet Mat/Gloss Black

$115.00 Full price
$115.00
Club price
$199.99 Full price
MET Idolo Helmet Titanium/Glossy

Met

MET Idolo Helmet Titanium/Glossy

$98.00 Full price
$98.00
Club price
$109.95 Full price
Bell Full-10 Spherical MIPS Full Face MTB Helmet Fasthouse Happy Hour Grey/Black
$551 Off Full Price

Bell

Bell Full-10 Spherical MIPS Full Face MTB Helmet Fasthouse Happy Hour Grey/Black

$499.00 Full price
$499.00
Club price
$1,049.95 Full price
MET Terranova MIPS Helmet Black/Matt Glossy
32% Off Full Price

Met

MET Terranova MIPS Helmet Black/Matt Glossy

$135.00 Full price
$135.00
Club price
$199.95 Full price
Cinettica Kyklo Kids Helmet Red
39% Off Full Price

Cinettica

Cinettica Kyklo Kids Helmet Red

$30.00 Full price
$30.00
Club price
$49.99 Full price
FOX Proframe Clyzo AS MTB Helmet Atomic Orange 2024
27% Off Full Price

FOX

FOX Proframe Clyzo AS MTB Helmet Atomic Orange 2024

$328.00 Full price
$328.00
Club price
$449.99 Full price
Bluegrass Super Bold Helmet (Yellow)
24% Off Full Price

Bluegrass

Bluegrass Super Bold Helmet (Yellow)

$60.01 Full price
$60.01
Club price
$79.99 Full price
FOX Proframe Race Energy Youth MTB Helmet Black
28% Off Full Price Coming Soon

FOX

Fox Proframe Nace Energy Youth MIPS Fullface MTB Helmet Black

$285.00 Full price
$285.00
Club price
$399.99 Full price
MET Terranova MIPS MTB Helmet Off-White/Bronze
40% Off Full Price

Met

MET Terranova MIPS MTB Helmet Off-White/Bronze

$119.00 Full price
$119.00
Club price
$199.95 Full price
MET Vinci MIPS Helmet Red
37% Off Full Price

Met

MET Vinci MIPS Helmet Red

$118.00 Full price
$118.00
Club price
$189.95 Full price
FOX Dropframe Pro Runn MTB Helmet Olive Green
28% Off Full Price Coming Soon

FOX

FOX Dropframe Pro Runn MTB Helmet Olive Green

$285.00 Full price
$285.00
Club price
$399.99 Full price
100% Altec Helmet Black
30% Off Full Price

100%

100% Altec Helmet Black

$188.00 Full price
$188.00
Club price
$269.99 Full price
Bell Full-10 Spherical MIPS Full Face MTB Helmet Arise Matte/Gloss Black
$551 Off Full Price

Bell

Bell Full-10 Spherical MIPS Full Face MTB Helmet Arise Matte/Gloss Black

$499.00 Full price
$499.00
Club price
$1,049.95 Full price
Bell Full-10 Spherical MIPS Full Face MTB Helmet Fasthouse Gloss White/Black
$551 Off Full Price

Bell

Bell Full-10 Spherical MIPS Full Face MTB Helmet Fasthouse Gloss White/Black

$499.00 Full price
$499.00
Club price
$1,049.95 Full price
Lazer Cage Kineticore Fullface Helmet Matte Cobalt
36% Off Full Price

Lazer

Lazer Cage Kineticore Fullface Helmet Matte Cobalt

$287.00 Full price
$287.00
Club price
$449.95 Full price
Bell 4Forty MIPS Air MTB Helmet Grey/Red
50% Off Full Price

Bell

Bell 4Forty MIPS Air MTB Helmet Grey/Red

$124.00 Full price
$124.00
Club price
$249.99 Full price
Bell Z20 MIPS Road Helmet Squid Black/Grey
50% Off Full Price

Bell

Bell Z20 MIPS Road Helmet Squid Black/Grey

$184.95 Full price
$184.95
Club price
$369.95 Full price
MET Parachute MCR Fullface Helmet Black/Matt
30% Off Full Price

Met

MET Parachute MCR Fullface Helmet Black/Matt

$349.00 Full price
$349.00
Club price
$499.95 Full price
Bell XR Spherical MIPS Road Helmet Black
50% Off Full Price

Bell

Bell XR Spherical MIPS Road Helmet Black

$189.95 Full price
$189.95
Club price
$379.95 Full price

Find Your Size

Step 1: Measure your height

  • Take off your shoes
  • Stand with your back straight against a wall
  • Balance a book on your head to mark your height on the wall
  • Measure your height by the distance from the floor to the mark
cm

Find Your Size

Step 2: Adjust your inseam

  • Based on your height, we’ve calculated a starting point.
  • You can measure your inseam by tucking a book between your legs so there is pressure but it isn’t uncomfortable.
  • Inseam typically falls with 5cm of the average.
cm

Find Your Size

Your results

For the we suggest the following size.

More comfort More speed
Height: --
Inseam: --
Adjusted Height: --

Find Your Size

We have saved your measurements.

Recommended sizes will now be highlighted on the page.

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CLUB 99 MEMBERSHIP

CLUB 99 MEMBERSHIP

Exclusive club benefits
FREE SHIPPING OVER $99*

FREE SHIPPING OVER $99*

*Excluding bikes/bulky items

99 Bikes acknowledges the Traditional Custodians of the Land on which we live, work and ride, and pay respects to Elders past and present

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