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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  REDLINE CRANK FITMENT - HELP PLEASE!
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Author Topic: REDLINE CRANK FITMENT - HELP PLEASE!  (Read 2087 times)

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1982

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REDLINE CRANK FITMENT - HELP PLEASE!
« on: April 03, 2012, 10:42 PM »
Hello knowledgeable people
Ive bought a redline crank set for my '80 PK Ripper but the US bottom bracket spacer is too long to fit inside myBB with the bearings fitted. :(
The spacer is 52.6mm that came with the BB set. This seems too long to fit
Is this the right one? Should I cut it down? Should I try and buy the correct length spacer?
Has anyone had this issue before?
Any help appreciated chaps
Cheers,
Griff

Offline dordymush

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Re: REDLINE CRANK FITMENT - HELP PLEASE!
« Reply #1 on: April 03, 2012, 10:48 PM »
just cut it down to fit
dave the bmxing gypo


Offline Gary72

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Re: REDLINE CRANK FITMENT - HELP PLEASE!
« Reply #2 on: April 04, 2012, 08:26 PM »
Buy the right size, You will never get the cut 100% straight

Offline RATTY

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Re: REDLINE CRANK FITMENT - HELP PLEASE!
« Reply #3 on: April 04, 2012, 08:27 PM »
Grind it down gently, better than a hack saw
A long time ago, in a land far away!

Offline Jaymz

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Re: REDLINE CRANK FITMENT - HELP PLEASE!
« Reply #4 on: April 04, 2012, 09:01 PM »
Buy the right size, You will never get the cut 100% straight
:daumenhoch:

I got to my local bike shop and play swopsies, they have whatever size came with the BB and I find one that fits properly from their stoock, everyones a winner

1982

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Re: REDLINE CRANK FITMENT - HELP PLEASE!
« Reply #5 on: April 04, 2012, 11:47 PM »
Cheers gents, will have a measure up at the weekend and go from there! :daumenhoch:

1982

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Re: REDLINE CRANK FITMENT - HELP PLEASE!
« Reply #6 on: April 06, 2012, 05:57 PM »
Buy the right size, You will never get the cut 100% straight



Good advice Gary!!
I carefully measured and cut it down, now its too freaking short by about 1mm :-X

Is the tube supposed to be a tight fit between the bearings to stop them imploding when you tighten the crank arm end bolts??
If not its ok, but if so then I need a new one :'(
Please help

Offline Jaymz

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Re: REDLINE CRANK FITMENT - HELP PLEASE!
« Reply #7 on: April 07, 2012, 08:16 AM »
You should get away with 1mm, thats only 0.5mm each end and the bearings will push to that,

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