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Pro Tec

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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.

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

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For the we suggest the following size.

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Adjusted Height: --

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Pro-Tec Helmets

If good looks are a close second to safety in your list of requirements for a bmx or skate helmet, look no further than our range of Protect helmets.

Founded in 1973, Protec has continually pushed the envelope when it comes to the form and function of their bmx and skate helmets, which has seen them become one of the most popular helmet brands on the planet.

99 Bikes carries a huge selection of Protec helmets at Australia's best prices. Shop online or in-store today.

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*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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