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Thread: 3.0 crank
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01-11-2018, 11:55 AM #15000 RPM
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3.0 crank
are all 3 liter optimax cranks the same?
28 SS
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01-12-2018, 09:53 PM #2
no, the earlier ones had 2 rows of loose bearings per main versus the new style which have a caged bearing.
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01-12-2018, 10:09 PM #3Supporting Vendor
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And the very early ones had eight splines instead of 13, Chris
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