A single-speed bicycle is a type of bicycle with a single gear ratio. These bicycles are without derailleur gears, hub gearing or other methods for varying the gear ratio of the bicycle.

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Adding gears to a single speed Cycle

I have a single speed cycle and i want to have minimum of six gears on it, Is there a cheap and good way so that i can get gears on it?
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Why ride a single-speed bike?

A question came up recently about why people ride fixed-gear bikes. I think you can't reasonably answer that question without first understanding why people ride single-speed bikes. So, why do they ...
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What is the difference between a “single-speed bike” and a “fixed-gear” bike?

I would have thought that a single gear was the same as a fixed gear, but that does not seem the case. What am I missing? Can a fixed gear bike have more then one gear?
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How do I reduce slack in the chain of a single-speed bicycle?

I have a single speed bicycle that has some slack in the chain and threatens to come off. How can I reduce this slack?
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What's the easiest way to add gears to my single speed?

I recently bought a single speed - a Charge Plug Racer, and I realise I've made a mistake - too many hills on my commute and I need a smaller gear to help me up the hills. It's pretty hilly in my ...
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What would be the “definitive” formula to calculate chainstay length from sprocket size, chainring size and number of chain links?

Before I started to write this answer, I thoroughly read this question, its answers and comments: How do I calculate the diameter of a chainring from the number of teeth? So, my question tries to ...
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What to look for when buying a single gear bike?

I'm looking to buy a single gear bicycle. My experience with bikes is very limited, I haven't owned a bike since I was a kid. I have been mountain biking in the Lake District a few times in the last 3 ...
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Suggestion on buying a single speed 29er mountain bike

I'm interested in buying a single speed mountain bike for about $400-600. Can anyone recommend me one? I tried buying this http://www.redlinebicycles.com/bikes/mtb/2012-monocog-29er but it is all ...