Technical & Reference Section > Tech and Restoration

flight vs proline cranks

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Glen:
So whats the difference between full wrap 401 flight and proline other than the wider indentation?
The prolines might have slightly bigger pinch bolts?  Are the arm thinkness and BBs the same?
Seeing as 401s cost so much, prolines seem to be a good buy.  Or are twin pinch flights better than prolines?

thanks

HEYWOOD BMX:
 Are you referring to the older Flights or the new ones? The newer have a twin-pinch bolt whereas the Prolines are single pinch.I don`t know if Prolines are available in the UK.I have some and they have been fine so far.   

Stodgy:
Prolines aren't old school - they are new school cranks.

The NS Twin-pinch flights are better than the prolines - lighter, stronger and nicer.

It depends what they are going on, if it's for an old school bike, go for a proper old school crank.

HEYWOOD BMX:
 Pretty sure new school Flights are lighter/stronger than Prolines,also more expensive. 

R Al:
Prolines are a budget crank and are thicker and heavier than Flights old or new, but are pretty good for a rider and I've got some for sale if you're interested  :LolLolLolLol:

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