3 piece Euro Bottom bracket questions

ramstein-dh · Dec 23, 2011

I need a bottom bracket to fit my MRP Bones cranks

And the only one in stock on CRC if a euro bottom bracket.

What on earth does that mean?

http://www.chainreactioncycles.com/Mode ... elID=72303

Is it to do with the thread or something?

one-eyed_jim · Dec 24, 2011

"Euro" in this context is BMX terminology. Traditionally, BMX bikes used the old, large American standard bottom bracket with a threadless shell and one-piece forged "Ashtabula" crank:

http://sheldonbrown.com/opc.html

Three-piece cranks (two arms and an axle) are more popular these days. There are several ways of mounting the axle bearings that correspond to different frame standards, and "Euro" just means standard BSC threaded cups as found in a normal MTB.

I don't know much about the BMX world, but there seem to be several different axle diameters in use (19mm and 22mm seem the most common). I don't know what your MRP cranks need, but CRC stock several other Euro bottom brackets:

http://www.chainreactioncycles.com/Sear ... om+bracket

You'll find even more at a BMX specialist.

ramstein-dh · Dec 24, 2011

thanks buddy

3 piece Euro Bottom bracket questions

ramstein-dh

Retro Guru

one-eyed_jim

Old School Grand Master

ramstein-dh

Retro Guru

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