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Chain-set, chain-rings, cassette, sprocket and gear ratios – is this all sounding Greek? Do you know how your gearing works on your bike? Or even what it all means?
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We’ll try to keep it simple. Gear ratio can be measured by how far you move forward from one pedal revolution. The smaller your rear cassette, the further you’ll travel and the larger your chain-ring on the front, the further you’ll move forward. The size of these is determined by the number of teeth on your cassette and chain-rings. In short, the combination of the two determines how fast you can ride and the gradients you can conquer.
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Here’s an example: the table shows big and small gear ratios – and how far you’d travel with a single pedal revolution (on the same bike, power-output, wheel size etc. but with different gear ratios).
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Changing your chain-rings doesn’t always mean easier or harder gears. What’s important to note is that chain-rings work in combination with your cassette to move your bike forward. For example, the new Sram 12 speed cassette has an extra 10-speed sprocket (previously only going down to 11). This makes gear ratios harder than adding even 4 teeth to your front chain-ring.
Keeping your drivetrain clean is imperative for smooth shifting. We recommend:
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The right chain-ring, cassette combination for you and your riding will allow you to go further and faster. Send us a message, and we will contact you to check your gearing.
