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​Right bike, Right fit, Right price
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Choosing the right bike

Choosing the Right Bike
  • Mountain Bikes
  • Road Bikes
  • Fitness and Lifestyle Bikes
  • Childrens Bikes
  • Frame Materials
  • How are bike frames measured?

Selecting the right bike for the right use is just as important as selecting the correct size. It's important that you put thought into the intended use and then match the bike to that. Once the style of bike has been decided the selection of size is made easier. We are aware that choosing the correct size can be a daunting and confusing task.

This is why we recommend that for the best result you visit your nearest Avantiplus store and get sized professionally. They can provide expert advice on the style of bike best suited to your needs and ensure you fit the bike in the best way possible. Many of our stores can do a professional fit using the A+ Dynamic Bike Fit System.

By combining sophisticated computer software and precise video footage, the system captures you in motion, assesses your position and measures your body angles while cycling. This data is then analysed to improve your position, comfort and performance on the bike. There is a fee for this service, enquire with your local store for details.

Size Chart Links
Mountain Bikes (Hardtails & Full Suspension)
Women's Mountain Bikes (Hardtail & Full Suspension)
Road Bikes
Women's Road Bikes
Triathlon and Time Trial Bikes
Fitness and Lifestyle Bikes
BMX & Freestyle Bikes
Children's Bikes
Jump and Trail Bikes

Mountain Bikes
What's the difference between XC, Trail, All Mountain, Downhill and a Freeride bikes?
Cross-country (XC) bikes are usually hardtails and most often just have just front suspension and are the most lightweight type of mountain bike. A new generation of XC bikes has rear suspension with 80-100mm rear wheel travel. The angles of an XC bike cater for quick handling and excel in tight single track. Weight range is 9-12 kg (20-26 lbs).

Trail and All Mountain bikes are designed to cope with a much larger variety of terrains and are often referred to as the type of bike to own if you are going to have just one. They are built to be lightweight and perform equally well on ascents as on descents. Trail bikes can have 120-140mm rear wheel travel and weight around 11-15 kg (24-16 lbs). All Mountain bikes will have about 150-160mm rear wheel travel and weigh around 12-16 kg (26-35 lbs).

Downhill bikes are built with very slack angles for downhill speed and performance. Travel is often 180-200mm, sometimes more, with weight in the 16-20 kg (35-45 lbs) range.

Freeride bikes are heavier and more solidly built bikes that are typically full suspension. Freeride bikes are aimed towards the extreme all-day rider, with a premium put on strength vs. weight. Weight range is 12-18 kg (26-40 lbs).

View Our Hardtail Range
View Our Full Suspension Range

Road Bikes

What’s the difference between Race and Endurance bikes?
Race bikes are designed to win races, pure and simple. They have quick handling characteristics and can be less stable at speed. The frame is more rigid to enable the transfer of maximum power into forward momentum. The rider position is more aggressive with a lower front end. Race bikes are mostly found at the mid-range through to the high end.

Endurance machines can be as light as pure race bikes but offer greater comfort and are more stable. In many cases they provide similar performance to a pure race bike but they are designed to be more forgiving and less demanding to ride. The longer wheelbase and taller head tube place the rider in a more comfortable position. You can find endurance designed bikes from entry level through to high specification Team bikes.

View Our Road Bikes

What are Multisport and Triathlon bikes?
Multisport and Triathlon bikes are designed for speed. The frame tubes are aero shaped to be as slippery as possible and the riding position is extremely low to reduce wind resistance. Aero bars are an essential item and high end models will include deep rim wheels for even greater aero-dynamics. Ironman and Triathlon athletes are the key users of these bikes.
View Our Triathlon Bikes

What’s a Track bike?
Designed for use on banked oval tracks, these bikes have very few components and only one gear. A true track bike has a fixed rear gear while the new breed of Urban track bikes will often have the option of a fixed or freewheel rear hub.
View Our Track Bikes


Fitness and Lifestyle Bikes
What’s the difference between Fitness and Lifestyle bikes?
If your plans for your new bike include commuting, general fitness, touring or café cruising, then this is the right category to be looking in. Bike paths, rail trails and city streets are all tackled by this type of bike. The best bike for you will be determined by how you plan to use it most.

A Fitness bike, sometimes referred to as a Hybrid, is a machine that has flat handlebars, a wide range of gears, road sized wheels and wider tyres. They are durable and can be used for commuting, touring or getting fit. The flat bars and more upright position inspire confidence in traffic and aid in bike control.

If a lazy, relaxed ride is your plan then there is a bike to suit amongst the Lifestyle selection. These bikes are designed with emphasis on comfort first. These bikes are truly multi-purpose with gears to handle gradients with ease and provide an upright riding position. A suspension fork or suspension seat post will often be a feature and low step frames on many models make it easy to mount and dismount.

As this range of product is so versatile, rack and fender mounts are standard. So setting up your new bike to suit your needs is made that much simpler. Add a rack and pannier and hit the road.
View Our Fitness and Lifestyle Bikes



Childrens Bikes
What’s the best bike for my child?
Children are able to start riding a two wheeled bike at a young age with the aid of trainer wheels and the correct sized bike. Wheel size is used to reference the bike size for children rather than frame size. There are 12”, 16”, 20” and 24” wheel sizes to suit children from 2 years to 11 years of age.

Most 12” and 16” bikes are equipped with trainer wheels as standard to enable the rider to adapt to the bike. Powerful rear hub brakes are common with most 12”-20” bikes with 16” and 20” also equipped with front hand brakes. This range of product is often referred to as a BMX bike. A balance bike, a bike without pedals and trainers, is also an option to get your child started.

20” bikes can have one gear or as many as seven. Single speed models are available for entry level riders through to high specification race and freestyle models. 20” and 24” with gears are perfect for children that can ride well and want to keep up with mum and dad on family rides.

View Our Kids Bikes

Frame Materials

Why so many different frame materials?
Bicycles today may look like bikes of old but changes in materials and design technology have transformed the way they are built and how they ride. There is no ‘best’ material for a bike as they all have benefits depending on the rider’s expectations and needs. Budget and the type of riding you will be doing will also influence material choice.

Steel is the traditional choice for frames due to its durable, long life nature. It is easy to work with and in most cases, more economical. Children’s and entry level bikes are often produced from steel.

Aluminium is the most popular choice today with products ranging from entry level to lightweight, race tuned machines. Aluminium is produced in many grades to provide strength along with lightweight. Entry level alloy bikes are lighter than their steel equivalent and high end models can be a fraction of that because of the high grade of alloy used. Aluminium is used for all varieties of riding styles, road, mountain, touring and so on.

Carbon fibre is the high tech frame material of today. More products are being made from carbon because of its vibration damping properties as well as its lightweight/strength properties. Carbon frames are made by layering sheets of woven carbon and are bonded using resin and heat. They are labour intensive to build so are more expensive to buy. Road bikes have benefited from this material the most, especially for race and endurance products.

Some frames will use a combination of two materials to get a balance of ride quality/performance with budget in mind. Some road frames are half alloy and half carbon while some may only have two carbon tubes on an all alloy frame. It’s important to balance the ride characteristics with your expectations and how much you intend to invest.



How are bike frames measured?
Bike sizes can be measured in a variety of ways with many basing their size on seat tube length and top tube length. 
Manufacturers traditionally measure from the centre of the crank axle (bottom bracket) to the intersection of the seat 
tube and the top tube. Some models quote sizes in different ways, some quote the size in centimetre's, some in inches and  some as a frame size (such as Small, Medium, Large, etc).

This technique however does not work with compact sizing and the requirement for a lower standover height. For example, a  54cm compact road frame may only have a seat tube length of 48cm but the top tube length is that of a true 54cm. To  overcome this, many use the traditional seat tube reference combined with an imaginary horizontal top tube. This process  can be applied to any type of bike to achieve the correct fit no matter how low the seat tube is.

Matching you to the right size bike?
To help you choose the right size bike we have provided a suggested guide for the various frame sizes available. In order to accurately match the correct frame to your height it’s essential you to measure your height and to do so accurately!

The best way is to stand against a wall with your shoes off. Keep your legs together and your shoulders back. Carefully 
place a pencil on top of your head and mark the wall, for the best results, get some help and get them to mark the wall 
for you. Then measure the mark on the wall with a tape measure.

If your height is on the cusp of a range then your reach is often the deciding factor. Find out if you have a short or 
long reach by measuring your arm span (hands spread wide, measure tip to tip) minus your height. If you have a positive  result then go for the larger size, if you have a negative result, go for the smaller size.

Stand over height
Stand over height is the clearance between the top of the top tube (also known as a cross bar) and the bottom of your 
crotch. It’s important that you have adequate clearance in this area to avoid contact when you’re astride the bike. The 
clearance will depend on the type, model, and use of the bike.

These sizing charts will provide accurate advice for the majority of cyclists, but for the best sizing advice we always 
recommend visiting an Avantiplus store where you can physically try the bike and receive expert advice from one of our 
store professionals. Road and Triathlon riders may also go to the next level and get a professional bike fit done with 
our A+ Dynamic Bike Fit System. This will ensure you will get the best fit possible. Addition fees apply for this 
service, contact Avantiplus Blenheim for details.

Choosing the Right Bike: Dynamic Bike Fit
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Our customers. Avantiplus Blenhein is locally owned and operated and has been partners with AvantiPlus for over 25 years. You can trust us for EXPERT ADVICE, TOP BRAND BIKES and ACCESSORIES. Our certified Shimano service centre, Shimano and SRAM qualified mechanics ensure our promise to look after you and your bike. Winners of The Small Business Enterprise Centre Superior Service Award. Members of BIANZ and Retail Association.

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