Its going to depend largly on condition and age. I think $200-$300 for a good one. But unless you know the history of the crank there is no way to know how good it really is unless you take it apart. and that will cost you. New mc21/28 are available for about $750
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james
Its not how fast you go...Its how you go fast.
MC21 Rothmans
RS250
RC31
CRF250X
748R
Porsche (many)
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