What are chainrings?

Chainrings are the part of the bicycle that attach to where the peddles are located. It is where the chain connects the pedals to the back wheel. The chain then rests on this “sprocket”. This allows the back wheel to spin when applying pressure to the bike pedals.

Why are chainrings important?

Chainrings give your bicycle the functionality to move. It provides and allows your bicycle pedals to move your back tire. It allows the chain a place to connect from the pedals to the back tire cassette.

How do chainrings work on a bike?

A chainrings allows the chain to transfer energy/power from the pedals to the tire, normally rear tire.

How do you choose the right chainring for your bike?

Chainrings can come in a variety of different sorts and sizes. It all depends on what kind of bicycle and performance you have or are looking for. Chainrings offer different tooth(gap) amounts and lengths. It is best to utilize the following average sizes. It may help you to choose which size fits your bicycle.

When to replace a chainring?

The teeth on the chainring can break down and grow dull. This is just due to wear and tear. Also, this can happen from buying bad quality chainrings. When you buy a bad quality chainring it can wear down easier and the teeth can even snap off from use. If the teeth on the chainring are not holding your chain on or are growing dull, it is recommended to replace it ASAP. We always advise people to get broken part fixed quickly as to avoid injury.

Average Chain Sizes:

Old style, heavy duty BMX, worksman, and exercise bikes:
-3/16” (4.76mm)

Track, BMX, cruising bikes, one-speed, three-speeds, and derailleur bikes:
-1/8” (3.18mm)

Road, hybrid, mtn bikes, single-speed and 5, 6, 7 speed freewheels:
-3/32” (2.38mm)

Any 9 or 10 speed cassettes, bikes
-5.64” (1.98mm)