Bike Forums - what type of BB is this?

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plisska

05-08-13 08:46 PM

what type of BB is this?

Hello all!

I have a kona crankset I would like to put on my redline mono cog. My LBS said the crankset was some proprietary bmx set that requires an obsolete bb. Here is a picture of the exact crankset, obviously this picture is not mine as it includes the BB :) The crank arms have slits for a 10 spline bb. I want to say it is isis but the crank arm grooves are square.

http://img331.imageshack.us/img331/1497/img08005aw.jpg

Thanks in advance!

Dannihilator

05-08-13 10:14 PM

Looks like a profile racing knock off.

jimc101

05-09-13 03:48 AM

It's BMX, would be asking in the BMX forum, as they can probably give you the answer you want.

Greyryder

05-10-13 01:29 AM

Quote:

Originally Posted by Dannihilator (Post 15605530)

Looks like a profile racing knock off.

Pinch bolts and big square splines are more like a Redline KO, actually.

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