Bearings

How do I know when to change my crank bearings?
To check if your BB needs replacing, drop the chain off of the smallest chainring and spin the cranks. If there's a side-to-side wobble, or feeling of...
Cup and cone bearings better a little tight or a little loose?
Too tight chews up bearings, bearing surfaces and often delivers a poor riding experience. Too loose is can also be hard on bearings and bearing surfa...
Replace threadless headset retained bearings with sealed bearings?
Can I replace headset bearings with sealed bearings?Can you put sealed bearings in an unsealed headset?Are Sealed bearings better?What size are my hea...
Which ball bearings to put in Union K10491 pedals?
Which is better ball bearing or sealed bearing?What size are bicycle wheel bearings?What are the best ball bearings?Are Sealed bearings better?Can you...
What size are shimano MTB (wheel) hub ball bearings?
1 Answer. Rear hubs are generally quarter inch (9 per side, so 18) and front are generally 3/16 inch (10 per side, so 20). Obviously, if you're going ...
Dent in bearing cone, try to get a new one, or can I keep riding like this?
Are Sealed bearings serviceable?How much does it cost to replace wheel bearings on a trailer?Do you need to grease sealed headset bearings?What is a b...
Pedals spin freely in cold conditions
Are pedals supposed to spin freely?How easily should pedals spin?Do pedal bearings matter?What is a bike freehub?How do you lubricate mountain bike pe...
Can I replace this bearing? (MTB head tube)
Can you replace a steerer tube?How do I know if my headset bearings are worn?How long is a new steerer tube?What size is my steerer tube?How long shou...
Cartridge wheel bearings - is there an inside/outside?
The elements of a cartridge bearing are fairly simple. The outer race fits tightly against the inside of the hub-shell, providing a track for the ball...