When fitting a cnainsts to your MTB bike, there are a few things you need to look for:

  • Compatibility: Make sure that the Chainset is compatible with your bottom bracket and frame. You can check this by looking at the specifications for the Chainset and your bike.
  • Crank length: MTB Chainsets typically come in crank lengths of 170mm, 175mm, and 180mm. Choose a crank length that is appropriate for your height and riding style.
  • Spacers: You may need to use spacers to ensure that the Chainset is properly aligned with your bottom bracket and frame. The number and thickness of the spacers will vary depending on your specific setup.

Here are the steps on how to fit a Chainset to your MTB bike:

  1. Remove the old Chainset.
  2. Grease the bottom bracket threads and the Chainset spindle.
  3. Install the spacers, if necessary.
  4. Install the Chainset.
  5. Tighten the Chainset bolts to the specified torque.
  6. Check the chain alignment and adjust it as needed.

Here are some additional tips for fitting a Chainset to your MTB bike:

  • Be careful not to over-tighten the Chainset bolts. This can damage the Chainset or the bottom bracket.
  • Make sure that the Chainset is properly aligned with the bottom bracket and frame. This will help to prevent chain wear and tear.
  • If you are using spacers, make sure that they are installed in the correct order and that they are properly tightened.

If you are not comfortable fitting a Chainset yourself, you can take your bike to a qualified bike mechanic.