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Bottom Bracket Size?
I need a square-taper bottom bracket for a road frame. The diameter is 68, and
the BB shell measures about 69 mm long. I want to use a Shimano 105 7/8 speed crank. I'm looking at a Shimano BB-UN73. Are these square (as opposed to splined)? What length would be appropriate? Thanks! Al Mollitor, Sharon MA |
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#2
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Bottom Bracket Size?
On Sat, 09 Aug 2003 17:23:05 +0000, AMollitor did issue forth:
I need a square-taper bottom bracket for a road frame. The diameter is 68, and the BB shell measures about 69 mm long. I want to use a Shimano 105 7/8 speed crank. I'm looking at a Shimano BB-UN73. Are these square (as opposed to splined)? What length would be appropriate? Yup, the UN73 is square tapered. Have a look here to find out more about the spindle length you'll need: http://www.sheldonbrown.com/bbsize.html#105 From your measurements, it'll be a 68mm shell. Huw |
#3
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Bottom Bracket Size?
amolitor- I need a square-taper bottom bracket for a road frame. The diameter
is 68, and the BB shell measures about 69 mm long. I want to use a Shimano 105 7/8 speed crank. BRBR shimano BB in length 107mm...english threading... Like a UN-72/3... Peter Chisholm Vecchio's Bicicletteria 1833 Pearl St. Boulder, CO, 80302 (303)440-3535 http://www.vecchios.com "Ruote convenzionali costruite eccezionalmente bene" |
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