Technical & Reference Section > Tech and Restoration

usa loose ball type to seal BB

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BENDYCAT ELEVENTEEN:


go for a set of sweet chrome jobs (peds not included )

level:
thanks guys,

I dont have the pinch bolt on the bottom, the arms are held on buy an allen key bolt, that screws into the spindle.

level:

pickle:
yep, i'm afraid you'll need a new crank as well then as your axle won't allow sealed bearings over the threaded collers.

HEYWOOD BMX:
 :) Strip it down and get the Vernier calipers out.I have a crankset here which is looseball USA size the(where the arms/chainring fits) but the parts where the bearing sits is the same diameter/thread pitch as a regular one-piece crank.Got one of these to fit with no probs.New crankset will prob be cheaper :daumenhoch:
http://www.evanscycles.com/products/dna/sealed-bottom-bracket-for-1-piece-cranks-ec007730

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