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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
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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.
cm

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99 BIKES | AUSTRALIA’S BIGGEST RANGE OF BIKES FOR SALE

At 99 bikes We stock a huge range of men's, women's, and kids bikes online from the biggest Australian and international bike brands. With over 800 models available you can be sure you will find the perfect bike. Shop our full range of Mountain, Road, Commuter, and Kid’s bikes online or at your local 99 Bikes Store. If you are new to riding or would like to ask some questions about finding the correct bike or stock availability, please call our bike sales service team on 1800 990 523 or visit your local 99 bikes store.

All our bikes for sale come with a free professional bike fit as well as our Perfect Ride Guarantee, so you can ride home in confidence! Don't wait, arrange your bike sales with 99 bikes today!

OUR RANGE OF BIKES FOR SALE

COMMUTER & HYBRID BIKES

A commuter bike is not quite a road bike, not quite a Mountain Bike, but rather something in between. This versatile style of bike is great for riding around town or for commuting to work. Hybrid bikes generally have a relaxed upright riding position, a good range of gears as well as heaps of mounting points for accessories like racks and lights. You can browse our full range of Commuter and Hybrid bikes online here.

MOUNTAIN BIKES

Mountain bikes are the most versatile type of bike on the market. They make going off-road easy as well as being suited to recreational and commuter purposes. Mountain bikes are built tough with most models offering front and rear suspension as well as wider off-road tyres and more durable components. Entry-level mountain bikes like the Silverback Stride are a great option for someone who occasionally rides to work and wants to start getting into riding trails.

ROAD BIKES

As the name suggests, road bikes are designed for on-road use and specifically longer-distance rides. Road bikes are lightweight and designed for maximum pedaling efficiency. Most road bikes will come with no suspension, 700c wheels, and gearing that is suited to riding at higher speeds. Road bikes are popular with many types of riders; from those looking to improve their fitness to social riders and serious racers. Shop our range of Road Bikes for sale today.

KID’S BIKES

We stock a wide range of youth bikes for sale, from balance bikes for toddlers to kids' mountain bikes and BMXs. Our bike range has something to suit kids of every age and height, from toddlers to older kids up to 160cm. We have a wide range of vibrant colours, sizes, and styles to choose from to suit even the most discerning kiddo and with leading brands like Mongoose, Merida, Vuly, and Cruzee for sale, you can be confident you will find the perfect bike. If you are looking to purchase a kid's bikes we recommend you read our blog about Kids Bike Sizing.

BMX BIKES

BMX bikes were all the rage in the '70s and '80s, especially in the UK where they became *the* bicycle to have for kids and teenagers. This trend continues today with over 1 million BMXs sold yearly in Australia alone. BMX bikes are lighter in weight and smaller in size making them the perfect bike for doing tricks or riding at the skate park. Shop our extensive range of BMX Bikes for sale online.

ELECTRIC BIKES

Electric bikes are becoming increasingly popular for getting around Australia's biggest cities and trail networks. Electric Bikes can give you up to 340% extra power when pedaling, allowing you to easily power up hills and ride for longer without breaking a sweat! Browse our selection of Electric Bikes for sale Australia-wide, or be sure to visit your local 99 bikes store to test ride an electric bike today.

BENEFITS OF RIDING A BIKE

Why buy a bike? Here are the most common reasons our customers have given us:

STAYING ACTIVE AND EXPLORING THE OUTDOORS

Whether you’re eager to build on your endurance and stamina, or keen to relax and unwind as you coast along the tracks - cycling allows you to choose your own pace and intensity. All of our bikes for sale are great for these goals, but in particular, you may want to check out our range of Road Bikes, Mountain Bikes, and Commuter & Recreation Bikes.

FAMILY TIME AND SOCIALISING

Australia has tonnes of paths, parks, and tracks that make for great bike-riding adventures for the whole family. The kids will want a cool design and to go fast, meanwhile, you’ll want to know they’re safe and one a bike that’s properly fitted for their size. While all of our bike ranges will suit your needs, you may want to start your search with our Mountain Bikes and Kids Bikes.

Joining your local cycling club is a great way to get motivated, discover new trails, and make new friends. Each club is different, but you can start by checking out our range of road bikes and adventure road bikes.

COMMUTING AND SAVING MONEY ON TRANSPORT

You know the drill - liven up your commute, fill the car up less frequently, and save money on public transport by riding a bike to work. We have a massive range of Commuter & Recreation Bikes that can help you start and finish the workday feeling alive and with a clear mind.

FREQUENTLY ASKED QUESTIONS

Our staff are well-known for being the most friendly, knowledgeable, and professional bike sales experts, and will help you with any questions you may have. Here are some of the most common:

HOW TO FIND THE RIGHT BIKE SIZE?

The quickest and easiest way is to measure your height in centimetres and then refer to the Bike Sizing Charts available on all of our bike pages. These will tell you which sizes, measured in XS (Extra Small), SM (Small), MD (Medium), LG (Large) and XL (Extra Large), may be suitable for you.

HOW IS FRAME SIZE MEASURED?

When purchasing a new bike you will receive a free professional fitting to make sure you get the bike tailored to your needs.

A bike frame size is determined by the length of the seat tube. Measure the distance from the centre of the bottom bracket to the seat post collar and that will be your bike size. As a general rule road bikes sizes are shown in centimetres and mountain bikes are shown in inches.

HOW DO YOU USE BIKE GEARS?

Bikes have two sets of gears. First, the front gears on your crankset are controlled by the lever under your left hand. Second, the rear gears on your rear wheel are controlled by the lever under your right hand. The bigger the gear on the front, the harder it will be to push the pedals. The bigger the gear on the back, the easier it will be to push the pedal.

Changing gears will help you maintain a comfortable cadence (how fast you are pedalling) when riding up an incline or wanting to increase your speed. When changing gears, maintain a steady cadence and shift the appropriate gear lever smoothly, allowing your chain to move to the next gear before changing gear again. Always look at the road ahead and if you are approaching an incline, plan what gear you need to be in.

HOW HIGH SHOULD THE BIKE SEAT BE?

Imagine your crankset (or chainset) like a clock, with the pedals being the clock hands. With your right heel on the pedal at the 6 o'clock position, your leg should be completely straight with no bend in your leg. Repeat for your left side.

If there is a bend in your leg, adjust your seat height upwards. If you cannot touch the pedal with your heel, adjust your seat height downwards. This will give you a starting point on finding the right seat height.

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