What is a Shimano free hub?

What is a Shimano free hub?

Your freehub is the part of your bike that lets you coast and, in some cases, makes a pleasing clicking sound as you do it. It’s also the interface between your cassette (i.e. your rear gears) and the hub of your rear wheel.

How do I get rid of HG freehub?

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.

What freehub do I have?

To determine if a sprocket is a freewheel or cassette system, remove the rear wheel from the bike. Find the tool fitting on the sprocket set. Spin the sprockets backwards. If the fittings spin with the cogs, it is a cassette system with a freehub.

Do MTB hubs make a difference?

Hubs that are “louder” usually have more engagement points. This means your drivetrain picks up faster, so less energy is lost. Hubs that have sealed cartridge bearings or needle bearings usually never need to be replaced, they’re far stronger and stay cleaner.

Can I put a 12 speed cassette on 11 speed hub?

Yes you can run a 9/10/11 & 12 speed cassette on a shimano free hub, a Sunrace 12 speed will fit.

How do I know if my free hub needs replacing?

Check the freehub for wear to see if it needs replacing or just cleaning and relubing. To do this, firmly grab the splined body and give it a wiggle. If it moves more than a couple of millimetres side to side, replace it.

Can you replace 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.

Are Freehubs universal?

Of the freehub bodies out there, there are a number of different types, different types have different benefits but mainly are simply a matter of compatibility with the appropriate groupset you run on your bicycle.

Are better hubs faster?

What is the difference between a freewheel and a freehub?

Freewheel VS Freehub Rear hubs are explained in the Bicycle rear hub post, while here the emphasis is on sprocket sets (i.e. cassettes) themselves. Sprocket sets come in two standards: freewheel, or a freehub (with a cassette). Depending on the type of rear hub, one or the other type is used. An image speaks clearer than a thousand words:

Do all multi-speed bikes have a freewheel?

All modern multi-speed bikes use either a freewheel or a freehub system on the rear wheel, unless they are using an internally geared rear hub. Most bikes with 7 gears or less on the rear wheel use a freewheel; most bike with 8 gears or more on the rear wheel use a freehub, although there are some 7-speed freehub systems in use.

What is the difference between a freewheel and a cassette?

On most modern bikes with multiple gears, the freewheel is built into the rear hub and the whole assembly is called a freehub. The cassette is just a set of gears bolted together, without any moving parts, that slides onto the hub and is held in place with a lockring.

What to do when the freewheel mechanism wears out?

When the mechanism wears out in a freewheel, you just replace the entire freewheel (with gear cluster). When the freehub mechanism wears out, you can remove the cassette, replace the freehub, then re-install the cassette.