The Street > The Bike Shop
Spanish BB Length
Trvsty:
pretty sure the tube spacer has nothing to do with how good your bearings work,always thought is was to protect the middle of your spindle from rust. Like how the inside of your frame will rust a little and obviously moisture could get to the spindle and rust it making it near impossible to get the spindle back out. happened to my buddy once with profiles and had to drill the spindle out but he also never took care of the bike and left it outside im sure.
Brooklynrider:
--- Quote from: Trvsty;3547186 ---pretty sure the tube spacer has nothing to do with how good your bearings work,always thought is was to protect the middle of your spindle from rust. Like how the inside of your frame will rust a little and obviously moisture could get to the spindle and rust it making it near impossible to get the spindle back out. happened to my buddy once with profiles and had to drill the spindle out but he also never took care of the bike and left it outside im sure.
--- End quote ---
It is to keep the bearings straight in the bottom bracket. Otherwise they can be over tightened and "cave in", putting more pressure on the bearings.
nailbomb:
--- Quote from: Trvsty;3547186 ---pretty sure the tube spacer has nothing to do with how good your bearings work,always thought is was to protect the middle of your spindle from rust. Like how the inside of your frame will rust a little and obviously moisture could get to the spindle and rust it making it near impossible to get the spindle back out. happened to my buddy once with profiles and had to drill the spindle out but he also never took care of the bike and left it outside im sure.
--- End quote ---
hahahahhahah lol it's to actually allow your cranks to be tighten enough and the inner races of the bearings have something to press on with, to ensure your bearings won't get crushed radially/axially....:dunno:
CHROME_RIMS_YO:
usually when i build up a new frame, whether it's spanish or not i measure the BB and the stack height of the tube spacer plus both bearings. i think for each the last 3 frames i've had (older t-1 moody/hickerson, fbm capone, 2007ish s&m dirtbike) i've used a 2mm spacer along with the tube spacer.
blueee:
--- Quote from: FitTrailSlayer;3547177 ---I don't think that would cause your bearings to fail quite that fast. I've heard of lots of people not running the tube spacer at all and being fine.
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yeah, well some people just spin the boltaround with a tiny little allen while others might try cranking it down with an impact wrench
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