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Guide to buying a new bike

Find the best bike for you and your lifestyle.

Shop adult bikes at Argos
Bike in woodland.

What bike should I buy?

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Best bikes for commuters

For those who commute on a daily basis, folding bikes are ideal. They can be folded down to about the size of a suitcase, making them great for travelling with on buses and trains. Folding bikes also have smaller wheels than other bikes, making them easier to carry and store.

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Best bikes for leisure riding

Hybrid bikes are great for leisure rides on roads and trails. Combining the best features of both a mountain bike and a road bike, they can be ridden on a wide range of surfaces. Most hybrid bikes have flat handlebars, allowing you to sit in a comfortable riding position.

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Best bikes for road riding

Road bikes are designed to be ridden on flat, surfaced roads. They are typically the lightest and fastest type of bike you can ride on. Their wheels are narrow and smooth and the handlebars are dropped to give the cyclist a more aerodynamic riding position.

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Best bikes for off-road riding

If you’re going to be riding mostly off road, then a mountain bike is the best choice for you. These bikes are designed to be ridden on a diverse range of terrains, from dirt trails to rocky and gravel paths. They are usually a little heavier than other bikes due to their bulkier design.

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Best bikes for urban riding

Electric bikes or E-bikes look like a typical bike, but have a motor that will give you a little more oomph while you peddle. They are quicker and easier to ride than regular bikes, so you can travel greater distances for longer, without becoming tired or fatigued.

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Best bikes for grocery shopping

Choose a bike with a basket to make trips to the shops and post office easier. These bikes are great for negotiating around towns and cities. In addition to a front basket, they usually have a rear carrier, which can be used to secure a pannier or trunk bag.

Hardtail vs full suspension

If you opt for a mountain bike then you’ll need to decide whether to go for hardtail or full suspension. Hardtail bikes have suspension at the front but not at the rear. They reduce upper body fatigue by making steering easier on rougher trails. Mountain bikes with full suspension are usually a bit heavier but are better for riding on more challenging terrains.

What size bike do I need?

The size of an adult bike is determined by the length of its frame. To get the right size model for you, check your inside leg length (the distance from your crotch to the floor) against the measurement listed on the bike's description.

Difference between men's and women's bikes

Generally, there isn't much variation between the two types. The frame of the bike is the biggest defining factor - women's bikes have more of a slanted frame to suit a 'shorter torso, longer legs' female body shape. Aside from this, there may be a colour difference or addition of a basket to some women's bikes. But if you see a bike you like and it's the right size, it doesn't matter what gender it specifies, it should be comfortable for you to ride.

What type of bike brakes are best?

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Caliper brakes

Usually found on road bikes. The wheel rim is gripped by two brake pads to slow the bike down.

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V brakes

Two long arms pull together when you brake, gripping the wheel rim with more force. This makes braking easier in wet and muddy conditions.

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Mechanical disc brakes

These grip the centre of the wheel, rather than the rim. The brakes work faster and aren't affected by wet weather.

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Hydraulic disc brakes

These also grip the wheel centre, but use fluid in the brake cables. Less effort is needed to apply the brakes and you can better control how much you apply.

Assembling a bike

The majority of bikes need a little assembly. You will usually need to attach the front wheel, pedals, seat and handle bars, but it depends on which bike you choose.

Make sure that the pedals match with the correct sides of the bike. Using your hands, tighten the pedals to the cranks by turning the right pedal clockwise and the left pedal anti-clockwise.

Instructions will be included with your bike, but if you need more help, visit our bike support page.

Bike safety

Whether you're using a bike for fun, fitness or a daily commute, a helmet and set of lights are essential.

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Cycle helmets

Whatever bike you ride, you'll need to protect your head. Adult cycle helmets come in various shapes and sizes, suitable for leisure, road and mountain cycling. They typically have a plastic outer shell, padded inner liner, air vents and a size adjustable chin strap. Some models also have integrated LED lights which make you more visible to other road users.


How do I know what size helmet I need? Helmet sizing is generally measured in centimetres which relates to the circumference of the widest part of your head.

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Bike lights

Bike lights allow you to see and be seen, and are an essential safety accessory for any cyclist who regularly rides after dark.


The brightness of bike lights is measured in lumens. Rear lights are usually between 50 to 100 lumens, whereas front lights can be as bright as 1200 lumens. Generally, front lights require more lumens than rear ones because you need more light to see than to be seen.

Don't forget these cycling essentials

Bike computers

Bike computers let you measure your performance as you ride. Like a fitness tracker for your bike, they can track distance, speed, time, and can even calculate calories burned. With integrated GPS, you can enjoy smart navigation features, such as turn-by-turn directions, retrace route and saved locations. Some units also come with a wearable heart monitor, so you can check your heart rate while keeping track of how far and how fast you have travelled. 

Shop bike computers

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Bike pumps

You'll definitely need a pump - the tyres won't be fully inflated on a new bike.

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Child bike seats

If you want to cycle with a child under 4 years old, you'll need one of these.

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Bike locks

Keep your bike locked and secure when leaving outside it in public spaces.

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Bike racks

With a bike rack attached to your vehicle, you can cycle wherever you go.

Taking care of your health and wellbeing

Our health and wellbeing hub is full of help and inspiration.

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Kid's bike buying guide

From beginners to big kids, find the right size and type of bike for your little cyclist.

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Why buy at Argos?