The measurements are for the 2013 Bianchi Oltre XR framesets:
Seat Tube -
53.5cm (59cm frameset)
55.5cm (61cm frameset)
Head Tube Length -
180mm (59cm frameset)
200mm (61cm frameset)
The 61cm frameset has a longer ETT by 1.5cm.
Given the same rider on both bikes riding the same race / event, would the bar height/saddle gap be the same on both bikes?
Would the above longer dims on the 61cm frameset only be attributed to longer rider inseam length ??
Krank
Seat Tube Length and Head Tube Length
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Re: Seat Tube Length and Head Tube Length
Postby high_tea » Sat Jan 05, 2013 9:52 pm
Can't see how. The bigger frame would have 2cm less seatpost showing and therefore be 2cm lower relative to the bars. Or have I missed something?
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Re: Seat Tube Length and Head Tube Length
Postby Krank » Sun Jan 06, 2013 9:22 am
Thanks High Tea.
Others?
Krank
Others?
Krank
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Re: Seat Tube Length and Head Tube Length
Postby sumgy » Sun Jan 06, 2013 9:38 am
Not enough info.
There will be a probable increase in both stack height and reach of the frame but how much this will also be dependent upon the ST and HT angle of each.
I would assume that the BB drop and fork length for both bikes will be the same as this could also impact on these measurements.
There will be a probable increase in both stack height and reach of the frame but how much this will also be dependent upon the ST and HT angle of each.
I would assume that the BB drop and fork length for both bikes will be the same as this could also impact on these measurements.
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Re: Seat Tube Length and Head Tube Length
Postby Krank » Sun Jan 06, 2013 9:54 am
ETT -
57.5cm (59cm frameset)
58.5cm (61cm frameset)
Stack Dim (reach dim identical at 397mm) -
580mm (59cm frameset)
601mm (61cm frameset)
Head Tube Angle -
73 degrees (59cm frameset)
73.5 degrees (61cm frameset)
Seat Angle -
73 degrees (59cm frameset)
72.5 degrees (61cm frameset)
57.5cm (59cm frameset)
58.5cm (61cm frameset)
Stack Dim (reach dim identical at 397mm) -
580mm (59cm frameset)
601mm (61cm frameset)
Head Tube Angle -
73 degrees (59cm frameset)
73.5 degrees (61cm frameset)
Seat Angle -
73 degrees (59cm frameset)
72.5 degrees (61cm frameset)
- sumgy
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Re: Seat Tube Length and Head Tube Length
Postby sumgy » Sun Jan 06, 2013 10:00 am
Without redoing the figures, this seems to answer your question.Krank wrote:
Stack Dim (reach dim identical at 397mm) -
580mm (59cm frameset)
601mm (61cm frameset)
The front end will be 21mm higher.
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