# How can I find out the number of teeth on each cog for cassettes and chain rings?

5 min read

##### Asked by: David Navarro

## How do you count cog teeth?

Teeth & Bike Gear Ratios Explained

The chainring (front) on my bike is 50/34T. That means the outer ring has 50 teeth and the inner ring has 34 teeth. The rear cassette is 11 speed 11-32. This means there are **11 cogs ranging from 11 teeth up to 32 teeth** (the exact cogs are 11/12/13/14/16/18/20/22/25/28/32).

Dec 2, 2019

## How many teeth does a cassette have?

In general, cassettes start at **10, 11 or 12 teeth**. Again, there are exceptions, with options available with 9-, 13- or 14-tooth smallest sprockets. You may sometimes see brands refer to their cassettes as having a certain range in the form of a percentage.

Feb 18, 2022

## How many teeth are on a bicycle sprocket?

Depending on the type and age of your bike, it will probably have between 9 and 12 sprockets and will be referred to as 8-speed or 12-speed respectively. On a typical road bike, **the smallest sprocket will typically have 11(11t) or 12 (12t) teeth and the largest 25 (25t) to 32 (32t) teeth**.

Jul 3, 2013

## How do you count gears on a cassette?

Quote from video: *So one two three four 27 28 so this is a 28. And you count the smallest one one two yep that's the that's the hard way to figure it out to count the rings on the big one the cogs on the big one.*

## How do you count teeth on a bike cassette?

The first number refers to the number of teeth on the smallest sprocket (the highest gear, for fast pedalling at speed) and the second number to the biggest sprocket (the lowest gear, for climbing hills).

## What does an 11 32 cassette mean on a bike?

The notation you’ve noticed simply means that for one of these cassettes, **the smallest sprocket has 11 teeth, the largest has 32 teeth**. And the second cassette has smallest sprocket 12 teeth, largest sprocket 25 teeth. So these numbers are basically the “range” of gears covered by a cassette.

Jan 10, 2015

## What is the best chainring combination?

Standard Setup. Currently, the most common gearing setup on new road bikes is a **50/34 chainset with an 11-28 cassette**. This means that the big and small chainring have 50 and 34 teeth, respectively, and the cassette’s smallest cog has 11 teeth and its largest cog has 28 teeth.

Jul 31, 2019

## What is a 12/25 cassette?

Each sprocket has a different amount of teeth. A higher amount of teeth makes it easier to pedal than a low number and vice versa. Most road bikes come supplied with a 12–25T cassette, where **the smallest sprocket has 12 teeth and the largest sprocked has 25 teeth**.

May 21, 2015

## Is a 11/28 cassette Good for hills?

**When you have built up your leg muscles and are powering up most hills, swap a lower range cassette, such as an 11-28, back in**. You don’t need to do this if you are a frequent cyclist, young, with strong legs, fitter than average, or if you live in a flat place with no hills.

Aug 14, 2017

## Does the number of teeth on a cassette matter?

**The tooth count does not matter**, but the cassette on the trainer may be in slightly different position in relation to the derailleur than the cassette on your wheel. This is true even if they were the exact same cassette.

Mar 2, 2021

## Which cog is gear 1 on a bike?

Conclusion. So, there you have it. Gear 1 is an incredibly useful gear when you need to climb steep hills with ease. Finding gear 1 is easy too – just use the gear shifters to move the chain so that it is on the **front chain ring closest to the bike and the rear cog which is closest to the back wheel**.

## How big is a 44 tooth sprocket?

Bicycle Engine Sprocket Guide

Rear Sprocket (6 Hole) | Hole Spacing | Outer Diameter |
---|---|---|

36 Tooth | 1.5″ | 5 7/8″ |

44 Tooth | 1.5″ |
7 1/4″ |

50 Tooth | 1.5″ | 8 1/8″ |

## Is an 11 34 cassette good for climbing?

All other things being equal, the 34T sprocket on the 11-34T cassette is going to give you the easiest gear. **If your bike is currently fitted with an 11-28T cassette, switching to an 11-34T cassette will make climbing less of a struggle.**

Dec 6, 2016

## How do you read bike gears?

Quote from video: *If your chain ring has 34 teeth and your biggest cog at the back also has 34 teeth that is a 1 to 1 gear ratio a relatively easy gear to turn the rear wheel will turn once for every pedal stroke.*

## How do you count bike gears?

Quote from video: *People also ask*

## How do you count 32 teeth?

Of these 32 adult teeth, there are **eight incisors, four canines, eight premolars, and 12 molars**. Of the 12 molars, there are four wisdom teeth. A person will have a complete set of permanent, adult teeth by their teen years, and commonly, the four wisdom teeth are removed so the other teeth can grow in comfortably.

Oct 21, 2019

## What numbers are your wisdom teeth?

ADA Universal Numbering System

Teeth numbers 1 – 16 are on your upper jaw and teeth numbers 17 – 32 are in your lower jaw. For instance, teeth numbers **1, 16, 17, and 32** are your wisdom teeth and teeth numbers 14 and 15 are your upper left molars.

Jul 2, 2017

## What is the tooth numbering system called?

The Universal Numbering System

**The Universal Numbering System, sometimes called the “American System”**, is a dental notation system commonly used in the United States.

## What tooth is number 30 in your mouth?

Number 30: **1st Molar**. Number 31: 2nd Molar. Number 32: 3rd Molar (lower right wisdom tooth)

## What tooth is number 22?

Tooth Numbering and Names, Organized Clockwise from the Point of View of the Dentist:

Lower Left Quadrant | |
---|---|

Teeth Numbers | Teeth Names |

22 | Canine (Eye tooth / Cuspid) |

23 | Incisor (Lateral) |

24 | Incisor (Central) |

## Which tooth is connected to the heart?

**Wisdom teeth**, on the other hand, connect to the central nervous system, heart, liver, and intestines. They can also signal high blood pressure, eczema, headache, liver disease, pain in the extremities, and cardiovascular disease.