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Bell Sidetrack MIPS Helmet - Kids'


Item # BEL00B5

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  • Matte Pink Blossom, One Size ($59.95)
  • Matte Tang/Orange Seeker, One Size ($59.95)
  • Gloss Kryptonite/Retina Sear Seeker, One Size ($59.95)
  • Matte Titanium Shark, One Size ($59.95)
  • Matte Black/Silver Fragments, One Size ($59.95)
  • Matte Pacific/Sky Fragments, One Size ($59.95)
  • Matte Plum/Pear Fragments, One Size ($59.95)
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Item # BEL00B5


Safety third.

The Bell Youth Sidetrack MIPS Helmet brings together all the bells and whistles your little adventurer needs when they're out on two wheels. With a mountain bike helmet-inspired design, cooling ventilation, and industry-leading Multi-Directional Impact Protection System (MIPS) safety, this helmet is comfy to wear and packs a huge dose of safety into an effortlessly cool package.

The big draw with MIPS is its ability to reduce impact force from rotational forces in the event of a crash. MIPS consists primarily of a strategically anchored liner on the inside of the helmet that looks simple, but serves a complex purpose. That little liner is designed to move independently of the helmet shell to effectively redirect impacts and reduce force. Bell incorporates its ErgoDial Fit System, which makes for an easily customizable fit and a snap-in visor that adds in some style points while keeping eyes protected from direct sun and drizzle.

  • A cycling helmet designed for kids that go hard
  • MIPS technology redirects impacts to reduce force
  • Protective polycarbonate shell with 15 vents
  • ErgoDial Fit System ensures a snug and comfortable fit
  • Low-profile visor provides some shade during sunny rides

Tech Specs

Shell Material:
in-mold polycarbonate
15 vents
Fit Adjustment:
ErgoDial Fit System
yes, snap-in
CE EN1078, CPSC Bicycle
Recommended Use:
Manufacturer Warranty:
1 year



Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

276 g

Size Chart


Head Circumference  20.5 - 22in
(52 - 56cm)
21.625 - 23.25in
(55 - 59cm)
22.875 - 24.375in
(58 - 62cm)
24 - 25.625in
(61 - 65cm)
21.25 - 24in
(54 - 61cm)
Reflex, Segment
Head Circumference  20.125 - 21.625in
(51 - 55cm)
21.625 - 23.25in
(56 - 59cm)
23.25 - 24.25in
(59 - 61.5cm)
Head Circumference  20.5 - 21.25in
21.625 - 22.5in
22.875 - 23.625in
Full-9, Transfer-9
Head Circumfernce 20.125 - 20.875in
(51 - 53cm)
20.875 - 21.625in
(53 - 55cm)
21.625 - 22.5in
(55 - 57cm)
22.5 - 23.25in
(57 - 59cm)
23.25 - 24in
(59 - 61cm)
24 - 24.75in
(61 - 63cm)
Head Circumference 19.75 - 22.5in
(50 - 57cm)
21.25 - 24in
(54 - 61cm)
How to Measure:
For best results, use a tape measure to measure around your head where your hat would fit comfortably.

Reviews & Community


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My Daughter Needed A New Helmet

  • Familiarity: I gave it as a gift but have feedback to share

My daughter says its comfortable and likes that it breathes. I like that it has MIPS and that she is willing to wear it. We got the Matte Pink Blossom. She likes pink and I like this pink, but we both agreed we didn't like the flowers, so we painted over the flowers. It took the paint well, so we got it to look more Ziggy Stardust then someones bad wallpaper and now we are both happy.

Great kids helmet.

  • Familiarity: I gave it as a gift but have feedback to share

My little 5 y/o love it. It fits well, so it doesn't bother her. Therefore, she actually wears it. The MIPS system gives me a bit of peace-of-mind.

Looks great, fits great

  • Familiarity: I gave it as a gift but have feedback to share

Bought this for a birthday present for my niece. She loves it. It fits perfectly, and it doesn't look dorky, so she's down to wear it.