Boss Cranks Lesson 
#1 2010-01-28 10:21pm
- tmac
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Boss Cranks Lesson
Does anyone know the history and various styles of Boss cranks. I just picked up a set and am curious to know the vintage.
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#2 2010-01-29 5:39am
- deftones
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Re: Boss Cranks Lesson
big splines/redline style are early. 48 spline/profile style are later
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#3 2010-01-29 5:44am
- kevdog3
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Re: Boss Cranks Lesson
What about the square spindle? I thought they were the first.
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#4 2010-01-29 6:36am
- tmac
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Re: Boss Cranks Lesson
deftones wrote:
big splines/redline style are early. 48 spline/profile style are later
That helps. Thanks. Would you happen to know if the spindle is a standard 19mm? It seems to be. I want to get a new bb and am hoping the newer ones will work.
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#5 2010-01-29 4:31pm
- deftones
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Re: Boss Cranks Lesson
same as profile.
the difference in the profile to boss is boss had a large chamfer on the out side of the bearing cup. otherwise the same.
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