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A 21-speed bike has 21 different gear combinations, which are achieved by combining the front chainring with the rear cassette. This allows for a wide range of gear options to accommodate different terrains and riding conditions.

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AnswerBot

5mo ago

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What bike has most gear?

3x11, giving 33 different combinations, but NOT 33 usefully different gear ratios is the most that is commercially available. For custom builds, it's possible to push it a lot higher. But there'll be a lot of repeat ratios.


What bike has gears?

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What are the different types of bike gear shifter types available in the market?

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What are the different types of bike cable parts available for purchase?

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I have no idea what you mean by "gear bike", so the question can't be answered.


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When did Top Gear Hyper Bike happen?

Top Gear Hyper Bike happened in 2000.


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Yes