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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  DB turbo crank help please!
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Author Topic: DB turbo crank help please!  (Read 903 times)

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Offline danny silverstreak

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DB turbo crank help please!
« on: February 18, 2006, 04:59 PM »
looking forward to the meeting in birmingham so i got a chain and thought id give me a bike a bit of a spin !

theres quite a bit of movement in the bottom bracket area on the chainwheel side causing the chain not to run through straight sending the chain off line , hence causing a clicking noise like im on a b4stard motorbike , has anyone got any solutions apart from buying a complete new crankset , if anyone out there who has a clue about the  techincal side of bmx bikes , as i havent , would mind having a quick look at epic i would appreciate it ,  , can you get the bottom bracket assembleys for these, ill probalbly only ride it a few times a year , but sounds rough as it is
thanks in advance
Danny (non technical)
« Last Edit: February 18, 2006, 05:10 PM by danny silverstreak »

Offline diesel

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Re: DB turbo crank help please!
« Reply #1 on: February 18, 2006, 07:18 PM »
Take the arm off, have a look inside the spindle hole on the arm to see if there is any rough metal around the edges, if so file them down for a more snug fit.

Only other thing I can think of is that you are using the wrong sized spindle, as Redline 400's and Turbo cranks use a slightly fatter spindle.

FuNMoNsTeR

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Re: DB turbo crank help please!
« Reply #2 on: February 19, 2006, 05:23 PM »
There should be some impressed numbers etc on the spindle... They should say Sugino cv-p   with a B underneath.
  The square spindle ends on my Turbo spindle are 13mm square(outside to outside).
I hope this helps a bit.

Offline danny silverstreak

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Re: DB turbo crank help please!
« Reply #3 on: February 19, 2006, 08:18 PM »
thanks chaps

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