Anonymous asked in SportsCycling · 7 years ago

Can I use automatic transmission fluid in my mountain bike forks?

Proper fork oil isn't easy to find in my area and I've heard a few people say you can use automatic transmission fluid and it works out fine.


If I was to use fork oil then what grade should I get?

3 Answers

  • 7 years ago
    Best Answer

    No. Transmission fluid is not the thing you want. Go to an auto parts store and get 5W or 10W gear (differential) oil.

  • Anonymous
    7 years ago

    Do not use transmission fluid in your forks. Transmission fluid will cause any rubber parts in your forks to swell up and eventually dissolve.

  • 7 years ago

    No. Use mail order if you have to.

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