Mountain bikes have become increasingly popular in the past few years. They are used for all kinds of outdoor activities, from camping to trail riding. But what exactly are mountain bikes and how do they differ from other types of bikes? Mountain bikes are similar to traditional bicycles, but they have larger wheels, stronger frames, and suspension systems to help them ride over rough terrain.

What is Mountain Bike Cassette?

What is a Cassette Mountain Bike? A mountain bike cassette is a group of gears that turn the wheels of a mountain bike. The size, number and arrangement of the gears affect how much power and speed the bike will have when riding up steep hills and long dirt roads. Mountain bike cassettes come in a variety of different sizes and arrangements.

Usually, cassettes come with 9, 10,11 and 12 sprockets, depending on your number of gears, They are often measured in inches or millimeters, but the sizes can also be expressed in teeth or cog counts.

Our guide will cover the best mountain bike cassettes on the market for 8-12 speed bikes.

How are mountain bike cassettes sized?

There are a variety of sizes that can be confusing for beginners and old hands alike. These sizes refer to the width of the axle and can be measured in millimeters or inches. The majority of mountain bike cassettes are size 29in, which is equivalent to 8.6mm in width. This measurement is also known as an inch width, which is a common measurement for bike tire sizing.

Mountain bike cassettes are the small sprockets that bicycle wheels are made of. They’re sometimes referred to as the hub because they’re the central part of the wheel. Mountain bike cassettes are sized in inches and the largest ones are just over 2 inches in diameter. The smaller ones—which are usually closer to 1 inch—are referred to as small, medium, and large.

It transfers power from the chain to the wheel. They’re usually the same size, but there are a few different formats to choose from. Generally speaking, the smaller the cassette, the better the gear range and the easier it is to corner. Larger cassettes give you more range and better reliability when you need it most.

Cassettes are sold in speeds, so a Shimano 11-speed cassette will have 11 sprockets with teeth.  They are then sized by the number of teeth each sprocket has, so an 11-40T will have 11 teeth on the smallest sprocket and 40 teeth on the largest sprocket.

Do cassette sizes have interchangeability?

No. If you own a 10-speed cassette, it should be replaced by a new 10-speed cassette, unless upgrading the entire drivetrain.

What are the best bike cassettes manufacturers?

The are a few players on the market to choose from:

  • SHIMANO
  • SRAM
  • SUNRACE
  • CAMPAGNOLO 

Is a group set of mountain bikes a Mountain Bike Groupset?

A groupset comprises comprised of all the parts of an MTB’s drivetrain. This includes the Crankset, the shifters, bottom bracket derailleur, chain and cassette.