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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
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.
Find Your Size
Your results
For the we suggest the following size.
We can't make a recommendation on size for the based on your details.
Finding the right sized bike for you is important to get the most enjoyment out of your new bike. Either the size for you isn't available at your store, we don’t have the required data or your height is outside the range of this bike.
If you head instore our team will provide a free professional measure up and recommend the best bikes to suit your needs or you can reach out to our customer service team who can provide you with more guidance over the phone.
Find Your Size
We have saved your measurements.
Recommended sizes will now be highlighted on the page.
Mountain bike helmets are made for a specific genre of cycling to improve performance and meet the demands of riders needs. Like all quality cycling helmets, MTB helmets should be lightweight, well ventilated and the correct fit for your head size. It is important to buy a helmet that is a snug fit, as the last thing that you want is for your helmet to move around when you’re flying down a steep descent. Shop the best range of mountain bike helmets from quality brands. You can be sure you're buying the best helmet at the best price with our Best Price Guarantee. Shop online with click & collect and delivery, and in store at your local 99 Bikes in Auckland, Christchurch & Wellington.
