Bike Drivetrain: [What is It & Replacement Cost]

In this article, we will discuss the cost of replacing a bike drivetrain.

Bike drivetrain replacement cost is a significant investment for most people. It can be expensive and time-consuming if you don’t know what you’re doing.

The cost of replacing the bike drivetrain varies depending on the components that are used in the bike. For example, when it comes to bicycle chains, the cost ranges from $10 to $90 per chain, while cassette sprockets can range from $20 to $150 per sprocket.

What Is A Drivetrain On A Bike?

The drivetrain is a system of gears and chains that transfers power from the pedals to the rear wheel. It is also known as a bicycle’s transmission.

A drivetrain consists of two or more chainrings, one or more sprockets, and a rear cassette with a corset(s) mounted on it. The components are connected by chains or cables that transmit force from one part to another.

The drivetrain is the heart of a bicycle and determines how well it will perform on different terrain and at different speeds.

Bike Drivetrain Parts

Bike drivetrain parts are the components that are found on the bike’s rear-wheel hub and are used for moving the bike forward. These include:

  • Right shifter.
  • Rear Derailleur
  • Front Derailleur
  • Cassette
  • Chain.
  • Left Shifter.
  • Chainrings.
  • Crank.

How Much Does Bike Drivetrain Replacement Cost?

The cost of a new bike drivetrain can range from $120 to $1200. Costs vary depending on what type of bike you own and what parts you want to replace.

We found that Shimano and SRAM are the most popular drivetrains among e-bike riders. Shimano’s latest drivetrain replacement costs around $1200 while SRAM’s costs around $1,200.

Shimano’s replacement costs: [Mountain Bike]

  • Xtr: $1200
  • Grx: $720
  • Deore XT: $460
  • Slx: $270
  • Deore: $250
  • Alivio: $120
  • Altus: $95
  • Tourney TX: $60

Shimano’s replacement costs: [Road Bike]

  • Dura-Ace: $1,500
  • Ultegra: $780
  • 105: $445
  • Tiagra: $348
  • Sora: $336
  • Claris: $230
  • Tourney A070: $150

SRAM’s replacement costs: [Road Bike]

  • Red eTap: $3120
  • Red: $2500
  • Force: $874
  • Force eTap AXS: $843
  • Rival: $490
  • Apex: $386

When Should I Replace My Bike Drivetrain?

There are many reasons why you may need to replace your bike drivetrain. Perhaps you have been riding for a long time and the components are worn out, or maybe you want to upgrade from the stock components.

The drivetrain has a lifespan that varies depending on how you ride your bike and how often you replace parts.

The lifespan of a drivetrain can range from 3,000-6,000 miles which means that you should replace your drivetrain every 2-3 years if you are riding regularly and every 4-5 years if you aren’t riding as much.

Here are some of the signs that it might be time for a replacement:

  1. If you have been riding your bike for more than 5 years, then it may be time for a new drivetrain.
  2. If your chain is worn out or if you have been experiencing problems with shifting gears, then it might be time for a new drivetrain.
  3. The gears are worn out and no longer function properly.
  4. There is a significant amount of play in the chain or sprocket due to wear and tear or damage caused by an accident.

How Long Does A Bike Drivetrain Last?

The average life expectancy of a bike drivetrain is usually around 2,000 miles or 3,000 kilometers (about 3-5 years). But this varies depending on how well-maintained it is and how much you’re using it for your commute.

How To Make Your Drivetrain Last Longer?

The most popular way to make your drivetrain last longer is to keep it lubricated. The more you use the grease, the less likely it is that you will need to replace the grease in your drivetrain.

Another way is to make sure that your chain and sprockets are always clean and have plenty of oil on them. This will help decrease the wear on your drivetrain and also reduce the chances of parts breaking.

There are many ways to make your drivetrain last longer. Some of them include:

  • Keep your drivetrain well-lubricated.
  • Maintaining proper tire pressure.
  • Maintaining a proper chain tension.
  • Regularly checking and replacing worn-out parts.
  • Avoid using too much force when shifting gears
  • Drain and refill transmission fluid every few thousand miles


The conclusion about how much bike drivetrain replacement cost is that it depends on many factors such as the type of bike, the type of drivetrain, the make and model, and the cost of labor.

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Hi, I'm the initiator and writer of this blog. Bikes were and will be my first love, and my favorite hobby, that's why I decided to start this blog and write about my discoveries and techniques to improve my bikes or repair them.

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