May Mayhem

Save up to 30% off bikes and up to 70% off gear. Shop these crazy deals before they disappear!

Terms, conditions and exclusions apply. In stock items only. Discounts available for Club 99 Members. See below for full details.

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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

Your height:

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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.

Your inseam:

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May Mayhem Sale FAQs

Where did the name May Mayhem come from?

One of our team members, Owen, came up with the name. And we think it's pretty fitting. Two weeks. Mad deals. Total frenzy. Survive the mayhem and grab them while you can!

How long will 99 Bikes' May Mayhem sale run?

99 Bikes' May Mayhem Sale is short and sweet... and yes our team might have gone mad with some of these unreal deals! It runs from 6 May to 27 May 2026. During this period, you can score discounts on Hardtail Mountain Bikes, Electric Bikes, Kids bikes and Accessories like Helmets, Indoor Trainers, Bike Computers and more!

Can I test ride an electric bike before buying during the sale?

Absolutely. You can book FREE test rides on a wide range of electric bikes during the sale. It's the best way to find the perfect electric bike for your needs.

Can you ship bikes directly to my home address?

Yes, we now offer courier boxed bike delivery in New Zealand on selected bikes. We can deliver within 1-2 weeks to anywhere within New Zealand. Find out more about this service here.

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Sale Terms & Conditions

*May Mayhem Sale offers are valid from 6 May 2026 12:00am NZT until 27 May 2026 11:59pm NZT in store and online. Offers available while stocks last. Discount is applied to full price in stock items only, excluding coming soon and pre-order stock. Offers are available to Club 99 Members only. Discounts cannot be applied retrospectively. No rainchecks. If using a discount code during this sale, multiple codes cannot be applied in a single transaction. 99 Bikes reserves the rights to change or withdraw any promotional offers at their discretion.

Offers are available to Club 99 Members only. Non-members can join our Club 99 membership program in store or online for $5 before making a purchase - click here to find out more. 99 Bikes reserves the rights to change or withdraw any promotional offers at their discretion.

See all terms and conditions here