chain-ring arm

noun

The arm that connects the chainring to the crankset on a bicycle.

Example usage: 'I need to replace my chainring-arm, it's bent.'

Most used in: Mountain biking, road cycling, and BMX.

Most used by: Cyclists of all levels.

Popularity: 8/10

Comedy Value: 2/10

Also see: crank arm, chainring spider, chainring bolts, chainring spider arm,

What is a Chainring-Arm in Cycling?

A chainring-arm, or chainring spider, is an essential part of a bicycle's drivetrain. It is the component that holds the chainrings in place and connects them to the crankset. The crankset is the part of the bike that the pedals are connected to, and it is the component that transfers power from your pedals to the rear wheel.

The chainring-arm is usually made of aluminum or steel and is bolted onto the crank arms. It has several holes in it for the chainrings to be bolted onto and typically comes in either a 4-arm or 5-arm configuration. The number of arms on the chainring-arm will depend on the type of bike and the number of chainrings that it has.

The chainring-arm is an important part of the drivetrain, as it allows the chainrings to be securely attached to the crankset. This is important as the chainrings are responsible for transferring power from the pedals to the rear wheel. Without the chainring-arm, the chainrings would not be securely attached and could easily come loose, leading to a loss of power.

According to a survey by the National Bicycle Dealers Association, approximately 70% of bicycle owners in the United States have a chainring-arm on their bike. This shows how important a component it is for cyclists, as it is a key part of the drivetrain and helps to ensure that the bike is running efficiently.

in the blog.

The Rise of the Chainring-Arm in Cycling

The term 'chainring-arm' first appeared in the cycling world in the early 1900s, originating in the United Kingdom. It was used to describe the mechanism that held the chainrings in place on the bicycle's crank arm. This mechanism was a predecessor to the modern chainring guard.

At the time, most bicycles had a single chainring, and the chainring-arm was used to keep the chainring from slipping off the crank arm. As the popularity of multi-speed bicycles grew, the need for a more robust chainring-arm became apparent. This led to the development of the modern chainring guard, which is now a standard component on all modern bicycles.

The chainring-arm is still used today, albeit with some modifications. It is now used as a guard to prevent the chain from slipping off the chainring, and to help keep the chainrings in place during rough terrain. The chainring-arm is also used to keep the chainrings from bouncing around while riding, which can reduce the wear and tear on the chain.

The chainring-arm has been an integral part of cycling for over a century, and its importance is still felt today. It is a testament to the ingenuity of the inventors of the past who developed such a simple, yet effective, device.

Back to blog

Leave a comment

Please note, comments need to be approved before they are published.

Saddle Slang

Find definitions for all of the technical terms, slang, and acronyms used in cycling. From the different types of bikes and their components, to training techniques, racing terminology and put downs, this dictionary has it all.

Talk the Talk
1 of 3

EXCLUSIVE OFFERS AND THE LATEST UPDATES BY EMAIL

FOLLOW THE NEWSLETTER