How do you service a Shimano rear hub?

Servicing Shimano (sealed) style freehubs

1. Step 1: Remove your cassette. Remove the rear wheel and stop the cassette from spinning using a chain whip.
2. Step 2: Remove axle and ball bearings.
3. Step 3: Removing the freehub body.
4. Step 4: Flush twice.

How often should you grease your bike hubs?

After every long ride: clean the grime off of the chain and derailleurs. Clean and lube the chain (every couple of weeks). After every 10-20 hours of riding: check that all components are moving freely but without play.

How long should a rear hub last?

The wheel hub assemblies on a car are intended to last for about 100,000 miles. While this can happen, there are usually things that will happen before this milestone hits that will compromise the assemblies and the way they function.

How many miles does a freehub last?

You need to inspect first, then maintain. I do our Campy freehubs once per year, which works out to around 10,000 miles. As noted, MAVIC freehubs are not that well designed and often need much more frequent service.

Should I grease cassette hub?

There’s no reason to grease the freehub body. Some mechanics, who have been working on bikes for decades, find that greasing all metal-to-metal surfaces is a generally good practice. In the case of the freehub body, grease may serve to reduce noises.

How do you maintain a bike hub?

If your wheels feel rough when you spin them, it’s time to service the hubs on your bike….

1. Step 1: Remove the locknuts.
2. Step 2: Remove and clean the bearings.
3. Step 3: Re-grease the hub.
4. Step 4: Refit the axle.
5. Step 5: Refit the cassette.

How often should you overhaul a bike?

Depending on how often the bike is used and under what conditions, an overhaul could be required once a year, every other year, or every 3000 miles. Unfortunately, an overhaul is not cheap.

Is it bad to drive with a bad wheel hub?

Q: Is it safe to drive with a bad wheel bearing? A: No. It can, in fact, be very dangerous to drive if one of your bearings is worn out, especially since it may cause the wheel to stop while driving. Additionally, a damaged wheel bearing puts a lot of stress on the hub, the CV joint, and the transmission itself.

How do I know if my rear wheel bearings are bad?

The most common and often most-identifiable symptom associated with a bad wheel bearing is noise coming from the wheel or tire area of the moving vehicle. You may mistake this as engine noise, but when you listen closely you are likely to hear grinding or grating that gets louder as the vehicle accelerates.

How to overhaul the hub of a rear bike wheel?

I show how to overhaul the hub on a rear bike wheel (disassemble, clean, lubricate, and reassemble). Overhauling the the front wheel is pretty much the same, but simpler as you don’t have to mess with the freewheel or spacers. There were nine 1/4 inch ball bearings on each side which is the most common for a rear wheel.

What should I know about bicycle hub bearings?

Designs may vary between manufacturers, but the basic principal remains amongst many others. Some information provided here applies to ALL bicycle hub-bearings in general, so this is worth a once-over by those interested in DIY bicycle maintenance.

What’s the best way to fix a Shimano Bike Hub?

Place a 15-mm cone wrench on the nondrive-side locknut, and a 13-mm (front) or 15-mm (rear) wrench on the driveside cone. Loosen the nondrive-side locknut and remove it from the axle.

How can you tell if a Bike Hub has been adjusted?

To test if a hub in your bike has an adequate adjustment, grab the wheel while it is still in the frame and pull it side to side laterally. Turn wheel and test again, feeling for a knocking sensation.