About Bike Delivery

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Timelines

Delivered ready to ride in 10 to 14 days.

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Place your order

Select the product you are interested in, click delivery, type in your postcode, and select Bike Delivery. If this is not available there is no available stock nearby.

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Order Confirmation

Once your order is placed we will be in contact with you within 2 hours to confirm your order.

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Bike Build

Your bike will be built up at your local 99 bikes by one of our expert mechanics and safety checked prior to delivery.

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Delivery

Your bike is delivered to your door by a 99 Bikes expert who will walk you through your new bike and answer any questions you may have.

Next Business Day Delivery

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Timelines

Delivered before 8pm next business day.

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Place your Order

All orders placed before midnight will be delivered next business day before 8pm.

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Picked for Delivery

Your local 99 Bikes store will prepare your order ready for dispatch.

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Delivery

One of our friendly 99 Delivery team members will deliver your order.

Shipping & Delivery Options

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At 99 Bikes, we offer multiple delivery options to suit your needs. Here’s a quick overview:

Click & Collect:
Order online and pick up your item from a nearby store — free and often same-day!

Standard Delivery:
Available for most parts and accessories.
Estimated delivery:

  • Metro: 2–14 business days
  • Regional & Remote: Up to 21 business days

Express Delivery:
Available for most parts and accessories.
Estimated delivery:

  • Metro: 1–6 business days
  • Regional & Remote: Up to 21 business days

Boxed Bike Delivery:
For selected bikes. Delivered boxed to your address and ready to be assembled in 1 - 2 weeks.

Note: Delivery times are an estimate and actual delivery times may vary based on public holidays and peak periods. Bulky items may take longer.
For full details, delivery estimates and more information, please visit our Shipping & Delivery Info page.

Your store:
Click & Collect:
Deliver to:

FOX Mainframe MIPS Youth Helmet Black 2024

Out of stock
Only %1 left
Request a Price Beat

Up to 12 months interest free

Fox has listened to rider feedback, now offering the Mainframe Helmet for children! Now your child can receive the very best protection in an affordable, stylish package. Equipped with the industry-leading MIPS liner and an EPS foam shell, the Mainframe offers your child maximum impact protection, ensuring you rest easy knowing they're protected for any eventuality! While Fox has cleverly designed the shell to offer an extended coverage area around the back of the skull to protect the top of their spine.

Although the Mainframe has a budget price, Fox hasn't skipped on the creature comforts. The Mainframe has been equipped with a removable moisture-wicking inner lining and Fox's unique 360 fit system to ensure your child always has a secure and comfortable ride every time! While large vents and optimised air channels keep the air flowing over their head, regardless of their speed meaning they remain cool and comfortable no matter how hard they're pumping.

With the Mainframe Youth MIPS Helmet, you don't have to compromise on your child's safety, with proven technology and a budget price, Fox has helped make mountain bike riding safer and more affordable! Now you only need to worry about one thing... keeping up with your child!

Features

  • MIPS Technology: Reduces and redirects rotational forces upon impact
  • Increased Coverage: Added protection for the back of your head
  • Optimised Venting: Large vents with in-moulded channels provides efficient cooling
  • Removable Liner: Moisture-wicking liner keeps your head cool and dry

Specifications

  • Construction: In-moulded EPS
  • Certifications: EN 1078, AS/NZ 2063 & CPSC
More Information
SKU MAINFRAMEYOUTHHELMETBLACK
Season Summer 2022
Sizing SKUs SM: FO29216021OS
Click & Collect Yes
Colour Black
MIPS Rated Yes

Fox Helmets Sizing Guide

SpeedFrame

SizeCMIN
SM51 - 5520.08" - 21.65"
MD55 - 5921.65" - 23.23"
LG59 - 6323.23" - 24.80"

Flux

SizeCMIN
XS/SM50 - 5519.75 - 21.75"
SM/MD56 - 5922 - 23.25"
LG/XL59 - 6423.25 - 25.25"

MainFrame

SizeCMIN
YOUTH48 - 5219 - 20.5"
SM51 - 5420 - 21.5"
MD54 - 5821.5 - 23"
LG58 - 6423 - 25"

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