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Brief Guide to Buying a Bike
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Which type of bike?
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The most important thing to think about when considering a new bike is exactly what you intend to use it for – the main difference being whether you plan to ride mostly on-road, off-road, or a combination of both. It is also important to consider what sort of distances you intend to ride, and what will be the most comfortable for you, as cycle designs can vary greatly. A carefully chosen bicycle that is looked after will be a trusty friend for many years.
Price is also an important consideration. Most people will have an idea of how much they want to spend on a bike before they start looking, but it is worth investing, as you really do get what you pay for. The more expensive bikes are lighter, tougher, have better ride handling and often have more features.
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Mountain bike
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Probably the most popular bikes these days, especially among the younger generations, are mountain bikes. Originally designed to be ridden on harsh off-road terrain, these bikes have a number of features to make them very robust, including:
- medium sized wheels (26” diameter);
- fat, chunky tyres, designed to grip into mud and dirt;
- slightly smaller frames, and made from stronger materials;
- suspension. Front suspension forks are common on modern mountain bikes, and rear suspension is also increasing in popularity. On cheaper bikes, this can do more harm than good, as it can mean that other components are of lesser quality, and the suspension can add a significant amount of weight to the bike;
- upright riding position;
- around 21 gears, at a relatively low gear ratio. This means the bike is easier to accelerate, but more difficult to ride at high speed.
At the higher levels, mountain bikes can become more specialised. There are bikes aimed purely at people riding downhill, and people who intend to race. Downhill bikes typically have full suspension with a significant amount of travel, and are built even stronger than normal mountain bikes, but are very heavy. Cross country bikes are built as light as possible, and suspension – where present – is designed to cause minimum loss of forward momentum when riding uphill.
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Road bike
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The anti-thesis of the mountain bike, road bikes are typically designed to be as light and efficient as possible, as they do not need to withstand as much punishment. Speed is of the essence, normally at the expense of comfort. This leads to the following general features:
- large wheels (700cm diameter);
- thin, skinny tyres, designed to minimise the resistance on the road;
- larger frame, typically made from smaller diameter tubing than mountain bike frames;
- no suspension;
- aggressive riding position, including “drop” handlebars. Road bikes are designed for speed, and one of the biggest impediments to the speed of a bicycle is aerodynamics. Therefore, the seating position is designed to minimise wind resistance, with as little comfort as the rider can stand!
- up to 27 gears, at a relatively high gear ratio. This means that it is more difficult to accelerate, but allows for a faster top speed.
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Hybrid/city
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These are a cross-breed, designed for commuting, casual riding, and riding both on- and off-road. Because of their comfort and practicality, they are very popular among casual adult riders. Hybrid bikes, as their name suggests, are a hybrid of both mountain and road-style bikes:
- large wheels (700cm);
- medium sized tyres – bigger than a road bike, and often with a little bit of tread, but much less than a mountain bike;
- tough mountain bike-style frame;
- front suspension normally available as an optional extra;
- comfortable riding position;
- around 21 gears, at a relatively low gear ratio. Similar to a mountain bike, although often not quite as low.
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BMX
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The famous BMX-style bike is not just for children, but is also popular with many people interesting in stunt riding. They are specifically designed to be as flexible and manoeuverable as possible:
- small wheels (20” diameter);
- fat, chunky tyres, to give as much spring as possible;
- very small frame, to give the rider maximum control;
- riding position designed for standing up and riding short distances;
- single gear;
- special features such as handlebars that turn all the way around and pegs on the frame to allow for more tricks;
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Finding a shop
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Shopping for bicycle equipment on the internet is brilliant if you know what you're looking for, and there are often bargains to be had. For help, see http://www.bikeshop.co.uk.
However, when deciding which bike is best for you, it's best to visit your local specialist bike shop. There is a list of some of these on http://www.briefguides.co.uk/guides/content/bikeshops.php. It is much better to visit a specialist shop than a general toy or car shop, as they can give you much better advice, and their bikes will normally – though they may be a little bit more expensive – be of a much better quality. A good specialist shop will also be able to help you through the whole lifecycle of your bike, whether it be maintenance, upgrades, or replacement.
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The perfect fit
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When choosing a new bicycle, it is very important to buy the correct size for you. If the bike is of the wrong size, not only will it be uncomfortable to ride, but it may also be dangerous. In particular, when buying bikes for children, it's always tempting to buy slightly too big in order to give them room to grow. However, this can be particularly dangerous, especially if they're not yet very confident cyclists.
The problem with bicycle sizes, is that every manufacturer has a slightly different idea as to what shape a frame should be, so they all end up measuring them slightly differently. Whilst you can may have some idea of what size you want, it is impossible to be confident without trying them out in person.
The standard rule of thumb is to check the standover height. This is the distance between your lowest point between your legs, and the tube that runs along the top of the frame when you stand over the bike with both feet flat on the floor. For off-road cycling, this should be about three to four inches, in case you have to stop in a hurry and the ground is uneven. For on-road cycling, you can get away with a little less, maybe two inches.
Everything else can be adjusted by moving the position of the saddle, and adjusting the stem. Of course, it is possible to ride bikes with more standover height than you need by making these adjustments, but this often leaves you leaning over the front wheel a bit too much, which makes handling difficult.
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The test ride
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When you take your potential bike purchase out for a ride, you should make sure it's reasonably set up first. It may take a little while to find the exact configuration that is most comfortable, you should definitely make sure that you can touch the floor without hurting yourself, otherwise the first junction you come to could be painful...
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Accessories
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Once you have purchased your bike, there are a few essential accessories:
- Helmet - we highly recommended that everyone who cycles wears a helmet – you only get one head!
- Lock - if you've spent a lot of money on your dream bike, it's worth investing in a suitably strong lock. The rule of thumb is: the heavier is, the longer it will take to break!
- Insurance - given enough time, any lock can be broken, so it's also important to insure against theft – especially if you live in London! For insurance companies, see http://www.cover.co.uk.
- Lights - if you are riding at night, you are legally obliged to use suitable lighting. British Standard approved lights are the best, but due to a technicality there are many good lights that are not officially approved.
- Reflective jacket - again, for riding at night, it is important to be seen by motorists.
- Shoes - to improve your riding experience, trainer-style shoes with stiff soles will ensure the maximum power is transferred to the bike.
- Gloves - if you are riding further than the corner shop, a good pair of gloves will make your ride much more comfortable.
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Maintenance
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A specialist bicycle shop will often give you a first free service – make sure you take advantage of this. Even so, remember to keep your bike clean & well-oiled – a few drops of oil on the chain every once in a while can work wonders.
Beyond this, buying a few simple tools to do your own adjustments can be a fun and rewarding way to learn about mechanics.
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Summary
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Finally, a bike is a great way to stay fit, get some fresh air, and will probably make you live longer too. Remember to have fun and ride safely!
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Comments, copyright and linking
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Comments on this brief guide would be welcome. Also, please let us know if you do put in a link to this guide from your website and we will try to reciprocate with a link from us to your site.
Copyright: these pages are protected by copyright and reproduction of this material is strictly prohibited. Copyright belongs to Giant Games Limited, owner of the briefguides.co.uk and onlineshopping.co.uk websites. © 1997-2006 Giant Games Limited, but you are welcome to have a link to this webpage.
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