What is Euro type bottom bracket?

EUROPEAN (EURO) European Bottom Brackets use small cups that thread into the frame, making installation very easy. Since the bearings are small, most European Bottom Bracket kits use four bearings to spread the load.

What is a sealed bearing bottom bracket?

Sealed cartridge bottom brackets are normally two pieces, a unit holding the spindle and bearings that screws into the bottom bracket shell from the drive side and a screw-in support cup (often made of light alloy or plastic) that supports the spindle and bearing assembly on the non-drive side.

Is a sealed bottom bracket better?

A good bottom bracket is a “fit it and forget it” deal. A sealed unit is what’s current and popular because it doesn’t require any servicing. They last a long time and can easily be replaced if they wear out.

What are the different types of bottom brackets?

There are two basic bottom bracket systems in use: “threaded” bottom brackets and “press fit” bottom brackets.

Are Sealed bearings better?

We use sealed so the bearings are protected from road debris and weather, so they spin cleaner and with less friction for longer. Sealed bearings perform as well or better than loose bearings, without the maintenance.

How do I know what size bottom bracket to get?

To find out the size of bottom bracket needed, measure the inside of the bottom bracket shell in your frame, it will be 73mm, 70mm or 68mm. Some older frames may have Italian threaded bottom brackets, instead of the more modern English.

What is BMX BB?

A Bottom Bracket is the bearing system within your bike that connects the cranks to the frame. Bottom brackets come in many different shapes and sizes but luckily in BMX there’s only really a few options.

How long do sealed bottom brackets last?

They are still in use and come stock on many bicycles, especially lower end ones. These bottom bracket units can actually be pretty sturdy and can last for years or decades and the user pretty tosses in a new one when it seizes up in a rainstorm.