Technical & Reference Section > Tech and Restoration

Redline Twinpinch Cranks - whats the score?

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HARORIDER:

--- Quote from: punkdSICO on June 04, 2011, 03:22 PM ---
--- Quote from: 58delray on June 04, 2011, 03:20 PM ---they will fit  :daumenhoch:

--- End quote ---
I Love you...   :D

So, what is the difference?  That ebay ad has the choice of:

19mm American Sealed Bearings
19mm Spanish Sealed Bearings
19mm MID Sealed Bearings
OR
19mm Euro Sealed Bearings

??

Paul

--- End quote ---
american for most old school frames
mid is basically the bearings out of the american bottom bracket cups
euro the bearing cups are threaded
spanish is basically mid with the bearing size reduced to make it a bit lighter

punkdSICO:

--- Quote from: harorider on June 05, 2011, 04:22 PM ---american for most old school frames
mid is basically the bearings out of the american bottom bracket cups
euro the bearing cups are threaded
spanish is basically mid with the bearing size reduced to make it a bit lighter

--- End quote ---
Hey, thanks for that.  Looks like I need US then (I only have old school frames..).

thanks again,

Paul

1mancity2:
JT Smooth may have some

punkdSICO:

--- Quote from: 1mancity2 on June 05, 2011, 07:22 PM ---JT Smooth may have some

--- End quote ---
Sorry for the confusion - the one I have coming does have a US bb so, I should be good..

ta,

Paul

58 delray:
take care when fitting the bb as you have to get the centre tube spacer the right size, too big and your bearing won't fit flush in the frame, too small and your bearings will be too tight and could even collapse inwards

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