Road Bike Rear Cassette Gear Ratios

For example the cassette you d want for a mountain bike would be very different to the cassette you d choose for a road bike. With all of the options available to today s road cyclists it is possible to produce gear ratios that are as small as 1 0 and as large as 5 0 with increments of 0 15 0 40. Even if you have a bike with a standard front chainset 53 39 and rear cassette of 25 which gives you a lowest gear ratio of 39 25 1 56 you could achieve a similar gear ratio to a bike with a compact chainset 50 34 with a rear cassette of 25 ratio of 1 36 by switching your rear cassette to a 29 tooth lowest gear ratio of 39 29 giving.

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Road bike rear cassette gear ratios. Our first best choice was the shimano 6800 ultegra 11 speed cassette. But think about the rear cassette. This means i still have a nice fast high gear. Say the chainrings on the bike are 48 38 28 and the cassette is a 9 speed one.

Best rear cassette for road bike. If your local roads are pan flat there s going to be little need for a 30 tooth rear sprocket. The largest sprocket on a road bike cassette is generally smaller than those on mountain bikes providing smaller jumps between gears. Imagine riding on a flat approaching a hill.

Most road bike cassettes have an 11 12 or 13 tooth smallest sprocket then between 21 and 32 teeth on the largest sprocket. This is one cassette that played very well when it comes to a wide range of terrains. Keep an eye on the road ahead and shift before you have to. My first bike had an 11 28 but i really like keeping a high cadence on the hills so on my new bike i have opted for 11 32.

Shimano 6800 ultegra 11 speed cassette. The smaller the range between the highest and lowest speeds the less jump you ll have between each gear giving you a smooth change. 3 best rear cassettes you can buy today for your road bike 1. It can in fact be said that front chainrings provide a wider gear ratio range while rear sprockets provide differences in gear ratios of adjacent gears.

When selecting a cassette the main thing to consider is the range of gearing. 3 is green 2 3 blue and below 2 red. Changing the cassette is the easiest way to introduce lower gears to your bike and it s only in recent years that cassettes with a largest sprocket of 30 or 32 tooth have been introduced to. Colors group similar values.

Where you ride is perhaps the most important consideration to make when choosing gear ratios. Shimano 6800 ultegra 11 speed cassette click to see price.