- Prepare the tools needed. ...
- Remove the wheel. ...
- Clean the wheel of dirt, especially the hub. ...
- Loosen a cone locknut. ...
- Take all the parts out, examine, clean. ...
- Grease hub cups, put new ball bearings and reinstall axle with cones. ...
- Setting up cone preload.
How do you rebuild a mountain bike hub?
How do you rebuild a bike hub?
- Prepare the tools needed. ...
- Remove the wheel. ...
- Clean the wheel of dirt, especially the hub. ...
- Loosen a cone locknut. ...
- Take all the parts out, examine, clean. ...
- Grease hub cups, put new ball bearings and reinstall axle with cones. ...
- Setting up cone preload.
How do you rebuild a cassette hub?
How do you take apart a rear bike hub?
How do you tighten an axle hub?
How do you replace rear hub bearings on a mountain bike?
How do I know if my freehub 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 .
Should you grease freehub pawls?
When the bike is pedaled, the pawls lock onto the ratcheting teeth, and the freehub bearings take very little stress. Because of this, bicycle grease is typically not required inside a freehub . Most manufacturers recommend liquid lubricant for the inside of the freehub.
How do you disassemble a bike hub?
How many ball bearings does a Shimano rear hub have?
The bearings in a Shimano rear hub are 1⁄4” in diameter and each race contains 9 bearings .
When should a bike hub be serviced?
If your wheels feel rough when you spin them , it’s time to service the hubs on your bike. Usually the problem will be caused by wear in your bearings or by the ingress of water and grime.
Can you change the hub on a bike wheel?
Simple answer: yes, but it’s not worth doing . Cost of hub, spokes, nipples and having wheel rebuilt will exceed the cost of a new wheel. Even if you re-use the spokes a new wheel will still be cheaper. Wheel building requires special equipment, expertise and time to do correctly.
How do you remove a rear axle from a mountain bike?
How do you remove hub bearings from mountain bike?
How do I know if my bike bearings are bad?
Worn out or dry bearings will feel rough, metallic and dry . Sometimes they’re so dry that if you pull your finger fast across the axle you can make the axle keep spinning because there’s no grease inside the bearings to slow it down.
How do you tighten a rear axle on a mountain bike?
How tight should a rear axle be?
You want your rear axle very tight. 150 in/lb is about standard . If it is not tight it will allow the rear wheel to move around and it ties your rear triangle together. Basically the whole back of the bike will feel sloppy.
How do you tighten an axle on a mountain bike?
What is a free hub on a mountain bike?
A ratchet freehub has a pair of rings with teeth on their inner faces that are concentric around the axle and are pushed together to transmit the pedalling force to the rear wheel . The two ratchet rings are usually pressed together by large springs that encircle the freehub and sit behind one or both of the rings.
How many bearings does a bike hub have?
Hub Assembly
Make sure balls are seated flat in cup. For rear hubs, the common number is 9 balls of 1/4-inch diameter per side . For front hubs, the common number is 10 balls of 3/16-inch diameter per side.
How long does a freehub last?
Guru. If it wears out completely you end up pedalling fast and going nowhere. Mine seem to last about 5,000 to 10,000 miles and the usual signs of wear are noises and play. Price depends on quality, but they’re not bank-breakers.
How do I lubricate my freehub?
Should I grease freehub?
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.
