Bike Cassettes & Cogs

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Shimano XT CS-M771 10 Speed Cassette
From $46.99
SAVE 23 %
MSRP $60.99
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Shimano XT CS-M8000 Cassette
From $62.99
SAVE 34 %
MSRP $95.99
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SRAM XG-1150 GX 11 Speed Cassette
$98.95
SAVE 24 %
MSRP $130.00
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Sunrace CSMX8 11 Speed Cassette
From $56.99
SAVE 29 %
MSRP $80.00
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Shimano Ultegra CS-R8000 11SP Cassette
From $61.99
SAVE 23 %
MSRP $79.99
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Box Two 11-46 Tooth 11 Speed Cassette
$89.99
SAVE 10 %
MSRP $100.00
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Shimano SLX CS-M7000 Cassette
From $54.99
SAVE 26 %
MSRP $73.99
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e.13 TRS+ 11 Speed Cassette
$224.09
SAVE 10 %
MSRP $249.00
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Shimano Ultegra CS-6700 10SP Cassette
From $46.99
SAVE 25 %
MSRP $62.99
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Shimano 105 CS-5800 11 Speed Cassette
$39.99
SAVE 20 %
MSRP $49.99
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Shimano XTR CS-M9001 Cassette
$189.99
SAVE 34 %
MSRP $289.99
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Sunrace MX3 10 Speed Cassette
From $59.99
SAVE 20 %
MSRP $74.99
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Shimano HG-500 10 Speed Cassette
From $26.99
SAVE 29 %
MSRP $37.99
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SRAM PG-1130 11 Speed Cassette
From $50.99
SAVE 26 %
MSRP $69.00
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Shimano 105 CS-5700 10 Speed Cassette
$34.99
SAVE 20 %
MSRP $43.99
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Shimano XT CS-M770 9 Speed Cassette
$47.99
SAVE 25 %
MSRP $63.99
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Shimano CS-HG400 9 Speed Cassette
$25.99
SAVE 30 %
MSRP $36.99
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Shimano SLX CS-HG81 10 Speed Cassette
From $37.99
SAVE 24 %
MSRP $49.99
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SRAM XG-1195 X01 11 Speed Cassette
$254.95
SAVE 31 %
MSRP $369.00
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SRAM PG-1170 11 Speed Cassette
From $77.99
SAVE 27 %
MSRP $107.00
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SRAM PG-1030 10 Speed Cassette
From $46.99
SAVE 25 %
MSRP $63.00
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Bike Cassettes and Cogs

With over 150 options to choose from on JensonUSA.com, sorting through the various bike cassettes and cogs can feel like a confusing process. But with a little basic background information, you will be able to make an informed (and correct) buying decision.

For starters, it helps to understand the difference between bike cassettes and cogs. Essentially a cog (also sometimes called a sprocket) is a single machined wheel of metal with teeth that engage with a chain, helping propel your bike forward. A cassette (aka cogset) is simply a group of cogs clustered together, which conspire to provide the array of gearing choices that allow you to pedal your bike efficiently without having to mash on the pedals or be totally spun out depending on the terrain.

Cassettes typically also feature a series of splines that facilitate the secure connection between the cassette and hub, which is the part of your bike that transforms pedaling power into the forward propulsion of your rear wheel. The cassette is usually held in place on the hub by a threaded lockring.

Those seeking a single cog will most often be looking to set up a singlespeed bicycle, while the majority of cyclists will be looking for a cassette because of its multi-gear functionality. Remember that the smaller cogs (with fewer teeth) make it harder to pedal but produce faster speeds, while larger cogs (with more teeth) are easier to pedal, making them ideal for climbing at slower speeds.

Cassettes are typically represented by the highest and lowest number of teeth in the cluster. Common examples for road bikes are 11-25, 11-28, and 11-30, which are among varied options with the Shimano Ultegra series. For mountain bikes, the 10-50 SRAM Eagle cassette is a popular choice.

Of course not all cassettes will work with all bikes and their respective drivetrains. Distinctions include mountain bike (think Shimano XT, Shimano XTR, SRAM Eagle) versus road bikes (SRAM Red, SRAM Rival, Shimano Dura-Ace, Shimano 105), and also the number of speeds (or cogs), which these days is usually 11 for road bikes and 11 or 12 for mountain. Call one of our expert Gear Advisors today at 888-880-3811.