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Technical & Reference Section => Tech and Restoration => Topic started by: crusty on September 30, 2006, 11:05 AM

Title: redline flight help please
Post by: crusty on September 30, 2006, 11:05 AM

i have flights with sealed bottom bracket the spindle seems a bit loose in the hole is this normal or should it be a tight fit i would imaging the later but would like advise asap as i'm trying to build bike today
thanks to anyone that can help

Title: Re: redline flight help please
Post by: harris on September 30, 2006, 11:07 AM

yes they should be a shoulder fit nice and tight not over tight thou.if they are loose they will damage the bearing .

Title: Re: redline flight help please
Post by: Bren Gunn on September 30, 2006, 11:26 AM

The bearing you are using needs a very fine top hat shim to make the internal size smaller. I think the spindle is 19mm and the bearing 3/4" ... could be the otherway around :-\

Title: Re: redline flight help please
Post by: zed4130 on September 30, 2006, 11:34 AM

Ask ratty he should no i traded some flights recently not my thing 1pc forever less complicated basically simple like me :idiot2:

Title: Re: redline flight help please
Post by: steve on September 30, 2006, 02:25 PM

you might have 20mm bearings
they come in some other brand cranksets