I have a bicycle frame and the gear/chainguard that came with it but it was originally meant for a three speed. Is there some way to convert it to a ten speed?
I have a bicycle frame(a 2008 Karma from Electra bicycles) and the
chainguard that came with it (It was a trade) but it was originally meant for a three speed. Is there some way to convert it to a ten speed?

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Girls lacing up for nationals
IPSWICH'S female roller skating speed demons are lacing up for the national speed skating championships in Sydney, New South Wales.

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What does the left shifter do and the right shifter do? The bicycle is from the 80s.

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I believe there are two main forces acting against you when riding a bike.

1. Friction in the moving parts of the bicycle such as the tyres, chain, gears etc.
2. Resistance from the air as you move through it.

Which is the biggest factor?

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In order to talk about performance bicycles, we should start by defining the term. We all know what bicycle signifies, but what about performance? I think that many people tend to define the word performance as the ability to offer top operation, meaning top speeds, top maneuverability, and clockwork smooth mechanical functioning.

While all of those minor definitions certainly relate to an overall concept of performance, I would like to offer another perspective of performance as related to bicycles. Though we all want to be the next Lance Armstrong, our own best personal performance does not have to reflect world's records for speed or distance.

In my opinion, for the non-professional bicycle rider, even the more serious bicycle rider, performance should really be an issue of finding the bike that best fits your lifestyle. This is going to include things other than top, high speed racing performance.

The best bicycle for the more common user has many non-race related factors to take under consideration. How much can I spend on a bike? I have to carry my bike upstairs, will the bike be heavy to lift? There are many practical concerns that may end up making more of a difference than trimming a couple seconds of your mile.

One thing to consider is where you will be storing your bicycle, and where it will be kept when you ride it to various destinations. You may not want to have a flashy top of the line bike in particular parts of town anyway.

And if you want to get into the topic of non-flashy bicycles, boy, could I talk your ear off. There are so many amazing things about recycling old bikes [recycled bicycles] into fabulously functional and affordable new bikes!

I remember when I was young, after a short period of ownership, dismantling and customizing my very fancy red and chromed Columbia touring bicycle that I had received one Christmas. The first items removed were the fancy chromed fenders and tail extension and of course the chrome chain guard.

I was not the only one of my friends who did this, risking the wrath of parents wondering why we took such expensive and fancy looking bikes and tore them down. I remember the Wynn brothers. They made chopper bicycles by mounting the front wheel fork and tube upside down in the bicycle frame giving the bike that motorcycle chopper look. This was our definition of a performance bicycle.

The Wynn brothers had a collection of used bicycles and bicycle parts that amazed me. What they did with those parts was even more amazing.

Sustain ability is the way to go. Every time we're able to use what already exists we're giving someone a new bike that may not be able to afford one otherwise. Or perhaps we're merely saving a spot in a landfill where stuff he haven't figured out how to recycle can go.

Consider all your concerns and interests surrounding the type of bike that will best fit into your lifestyle and your community. You may learn something about yourself and the other people like you living just next door.

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hello
Single speed means one gear, right? So why do people ride these bicycles, if its hard to go up hills, and you cant go very fast? what is the advantage of such a bicycle.

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Countries such as the United States, Canada and Europe have in the past passed legislation in regard to electric bicycles. These are recognized by most jurisdictions as being distinct from the existing motorcycle and moped classifications due to the fact that they are more related to bicycles rather than their bigger cousins. Although national laws do define electric bikes, confusion still persists. In Canada and the United States, the existing national laws define the required safety equipment for every electric bicycle, although it is the role of the provinces and State to determine whatever is legal in regard to use of electric bicycles on roads.

In North Wales, the motor bicycles that are motor assisted with petrol or electric engines only require registration if the maximum output of the engine is more than 200 watts.  Cycle riders who are exempted from registration are required to follow similar rules like those meant for cycles that lack motors as well as vehicles that require registration. In Victoria, a bicycle whose design requires human power to propel it through pedals may be incorporated with an attached petrol or electric powered motor. However, the power output of the motor must not be more than 200 watts. 

The safety regulations for motor vehicles in Canada have defined bicycles that are power assisted. These bicycles consist of 2 or 3 wheels with an attachment of a 500 watts electric motor or less.  This electric motor has the capability of being manually propelled.  Furthermore, the set safety requirements are met by following certain regulations which include; whenever muscular power engages the electric bicycle, it is required to cease assistance whenever the muscular power stops. If an accelerator controller is used for providing its power, then it should cease power at the moment of braking and thus be unable to provide assistance that is above 32km/h. It will hence bear a permanently affixed label by the developer and appear in a location that is rather conspicuous stating that the vehicle is actually a bicycle with power-assist. 

There are two categories of power-assisted bicycles in Saskatchewan and they include;  a two or three wheeled bicycle that makes use of a motor and pedals simultaneously,  and a power cycle that uses motor only or either motor and pedals. Both require a maximum 500 watt power engines and their speed should not be more than 20 mph (32 km/h). If they were to exceed this speed, the electric motor would cut out or the cycle would simply be unable to go at this speed even on a surface that is level. Power cycles are required to adhere to the Federal Motor Vehicle Safety Standards to ensure the bicycle is power assisted. The power cycles are required to have a driver’s license for learner’s (class 7). Classes 1-5 are also permitted to operate under the same conditions. Both the electric assisted bicycle and the power cycle require helmets and are both regarded as bicycles whose users should conform to the road rules.

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A boy and his bigger sister are riding a bicycle at a speed of 3.5m/s. The boy wishes to get off the back but knows that if he just stands up he will topple over. So instead he pushes himself off the back of the bicycle with just enough force that he has zero horizontal velocity when he lands on the ground. Find the speed of the bicycle just after the boy pushes himself off.

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Cyclists are the most vulnerable road users. We can't complain about cars overtaking us to closely and pulling out on us if we don't show them any consideration. The driver in front of me was going a safe speed for the conditions (lots of pedestrians in the area). None of the cyclists get very far. as they are all held up at lights later on.

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The usage of electric bicycles is increasing day by day, like the price of fuels, since electric bicycles have a lot of advantages over other types of vehicles. The working of electric bicycles is much the same way as an ordinary bicycle except that it is fitted with a small electric motor that is powered by a rechargeable battery.

Basically, electric bicycles can be of two types, pedal activated and throttle activated. As the name itself suggests, pedal activated electric bicycles are activated by pedaling and are helpful in commuting long distances and good for exercising, too. In the throttle activated type, the motor is activated by a handle bar mounted throttle. Electric bicycles are available in various styles, frame sizes, components and speed. The batteries required are also of different types like lead acid, nickel metal hydride and lithium ion battery-the choice of the battery depends upon the terrain to be used and the weight of the rider.

The most important advantage of electric bicycle is that they are almost zero emission vehicles and thus, eco friendly. They also do no emit noise and help to reduce noise pollution. The recharging of battery takes only a few hours and is affordable.

People who want to commute on a small non- polluting vehicle prefer electric bicycles. They   are loved by those who wish to travel outdoors to do a little bit of exercising. Electric bicycles are also preferred to cars in the sense that the user need not search for a place to park the vehicle in the congested traffic, when shopping is done for one or two items. Electric bicycles are also used by children and students who like to go for a joy ride around the town or parks.

Normally, the speed of the electric bicycle is around 25 to 30 kilometers per hour, which is certainly faster than walking or even traveling by a car in a busy road which is fully laden with traffic. Electric bicycles can be purchased online too, from the convenience of the home. The maintenance cost of this bicycle is almost nil. There are electric bicycles that are solar charged, too.

An ordinary bicycle can also be upgraded to an electric bicycle by just fitting a motor kit that is designed for this purpose. The main purpose of fitting a motor for an electric bicycle is to preserve the energy of the cyclist, as also increase the speed of the cycle and thus make riding a convenient experience. Needless to say, electric bicycles are very efficient and useful and there is no reason why it should not be preferred to other forms of two wheelers.

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Packed with functions but free from wires, the Strada Wireless epitomizes power and elegance. Thanks to the new Cat Eye ClickTec interface, you can switch among seven modes by simply pressing the bottom of the computer face - easy to do, even on rough terrain. Your selected mode displays at the bottom of the screen, while your current speed appears at the top in huge, easy-to-read numerals. An up/down arrow tells you how your current speed compares to your average speed. *Measurements in km or miles *Features the largest screen and numbers in its class *New flex tight mounting bracket for Handlebars and forks *Tool free mounting *Auto start/stop *Pace arrow *Dual tire size *Auto power save mode *Handlebar or stem size: 22-31.8mm *Fork mount size: 11-55mm *ClickTec button interface *Programmable odometer *Front fork speed sensor *Transmission distance up to 70cm - 27 inches *Batteries: CR2032 x 2 (1 each for head unit and sensor). Item Specifications; Color:Black; Wireless:Yes; Heart Rate:No; GPS-Enabled:No; Cadence:No;

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I want to do this without adding a motor to it. I don't want to hear things like ride more or pedal harder. Im looking for components you can add to it, modifications you can do, and regular care you can do to a bicycle to increase it's speed.

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