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Are Freehubs Interchangeable?

Elena Rostova • • 7 min read
Are Freehubs Interchangeable?
Most Shimano Freehub bodies are interchangeable. The exceptions are: FH-7850 and FH-7900 Dura-Ace bodies, which have returned to a splined attachment between Freehub body and hub shell, but it is larger than the usual one. It is similar but not interchangeable between these two models.

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Considering this, can you change a freehub?

You can either buy a new freehub body or if you're lucky your local bike shop or bike recycling project may have a stash! Your replacement freehub body needs to have the same interface as your old one (meaning the same spline pattern) so it can fit onto your old hub.

Additionally, are SRAM and Shimano Freehubs the same? SRAM and Shimano cassettes, on either road or mountain bike, are interchangeable with each other as the spacing is the same between the sprockets. However, Campagnolo road cassettes will only work with Campagnolo drivetrains.

Simply so, are freewheels interchangeable?

Most multi-speed freewheels have replaceable, interchangeable sprockets. Newer sprockets must usually simply be replaced, as the teeth are not tall enough to allow of restoration: see our article on sprocket and chain wear.

How do you remove a free hub?

The axle is independent of the freehub.

  1. Remove set screw from side of drive side locknut.
  2. Hold non-drive side cone with cone wrench. Loosen and remove drive side locknut.
  3. Pull freehub to remove. Use care not to loose small parts. Note orientation of pawls as you remove freehub.
Related Question Answers

Do I need a new hub for 11 speed?

4 Answers. Shimano/SRAM 11 speed cassettes are wider than 8/9/10 speed ones. So yes, you need a new, wider freehub body, unless your old one was not very old and used a spacer to fit a 10-speed cassette. Campagnolo cassettes are the same width for 9, 10, and 11 speeds, so you don't need to do anything in most cases.

What is the difference between a freewheel and a freehub?

Both wheels have hubs, but only the rear wheel has a freewheel. On most modern bikes with multiple gears, the freewheel is built into the rear hub and the whole assembly is called a freehub. The freewheel was built into the rear gear cluster and that whole assembly screwed onto the hub.
Elena Rostova
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Elena Rostova

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.