Bicycle Mechanics - 1 pc cranks to 3 pc cranks
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05-13-08, 08:25 PM
I am confused with all this I want 3 pc cranks but I have one pc cranks. Can someone point me to a tut or tell me how to get the one piece cranks out and 3 pc in. By the way I have a Mongoose Motivator and use it for freestyle.
05-13-08, 09:38 PM
You need to install a bottom bracket adaptor. These are the two that I know of:
You take your old crank out, put the adaptor in, then install the bottom bracket and crank of your choice.
05-13-08, 10:41 PM
bmx 3 piece do not need an adapter as they are made to fit the american bb shell. whatever 3 piece bmx cranks you get nake sure you order ones for american bb. Bmx 3 piece cranks can come in many different bb sizes depending on the fram. There are american, euro, mid and spanish. There are also a couple oddball bike specific ones out there too.
05-14-08, 07:14 PM
Ok thanks ill check out both of those sites
05-14-08, 07:22 PM
What is a loose ball bottom bracket?
05-16-08, 05:33 PM
I need help
05-16-08, 06:49 PM
I need help
You need a bike shop.
05-17-08, 01:22 PM
You need a bike shop.I hate bike shops. They always screw with my brakes when I get something done to it.
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