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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Fitting new flight cranks
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Author Topic: Fitting new flight cranks  (Read 899 times)

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Offline rick1970

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Fitting new flight cranks
« on: June 25, 2011, 05:04 PM »
Hi, got a set of these new issue twin pinch flights and am in prosess of fitting. in the box there is  a blue tube which goes on spindle between bearings my question is does this cutting to size at all before i go tapping the second bearing in ...thanks Rick.

Offline MartyC

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Re: Fitting new flight cranks
« Reply #1 on: June 25, 2011, 05:16 PM »
Shouldn't really need to cut it down, it's there to stop the cranks binding on the bearings when you tighten the cranks up, too short and it won't do it's job  :daumenhoch:


Better to crash and burn than fade away

Offline brettypeeps

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Re: Fitting new flight cranks
« Reply #2 on: June 25, 2011, 05:18 PM »
I have never had to cut one down on redlines :daumenhoch:

Offline rick1970

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Re: Fitting new flight cranks
« Reply #3 on: June 25, 2011, 05:21 PM »
Ok thanks chaps just needed to be sure here goes then   :daumenhoch:

Offline rick1970

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Re: Fitting new flight cranks
« Reply #4 on: June 25, 2011, 05:32 PM »
Oh bugger the bearing is 2mm short of flush with bb ,bloody new it wouldnt go to plan,off to engineers shop now  :(

Offline MartyC

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Re: Fitting new flight cranks
« Reply #5 on: June 25, 2011, 05:35 PM »
Oh bugger the bearing is 2mm short of flush with bb ,bloody new it wouldnt go to plan,off to engineers shop now  :(

That's fine, just make sure it's not flush on the drive/chainwheel side and it will all be good  :daumenhoch:


Better to crash and burn than fade away

Offline rick1970

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Re: Fitting new flight cranks
« Reply #6 on: June 25, 2011, 05:46 PM »
Are right thats how it is cheers bud  thanks  :daumenhoch:

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Fitting new flight cranks
 

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