berzin
new member
Reged: 01/30/04
Posts: 1
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Hello! I was wondering if anyone could help me with this one. What is the bottom bracket height for these frames, seeing as in a 56cm the drop is 7cm as listed in the website? Taking into account the use of size 23 tyres? Thanks in advance.
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Jeff_Nichols
journeyman
Reged: 12/18/03
Posts: 73
Loc: San Jose
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I just happened to measure this recently for my new cross frame that's being built and it's 27.7 cm with 700x23 tires.
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dfcas
contributor
Reged: 12/19/03
Posts: 138
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Just to make sure about your question,you can measure a wheel/tire from the ground up to the axle and subtract 7cm.
Are you asking for a built bike measurement to verify that the drop is actually 7cm?
I can measure mine if you like,just let me know.
Dan the hillbilly
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CalfeeDealer
new member
Reged: 01/22/04
Posts: 7
Loc: Denver, CO
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Bottom bracket height is something that can vary from bike to bike, even if the frame and fork are the same. The variable is the tires. Not all tires are the same height, which will effect bb height. That is why bb drop is used by manufactures more often that bb height, Bottom bracket drop is the difference between two horizontal lines. One line is between front and rear dropouts. The second line is the center of the bottom bracket. The difference between these two lines is bb drop
Patrick
http:www.TandemCycleWorks.com
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http://www.TandemCycleWorks.com
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