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Topic starter
Looking at a bike with geometry stated as;
Seat tube angle 70.5
Effective STA 75.5
Can someone explain please?
Ta
Posted : 16/06/2016 5:30 pm
Some seat tubes are offset at the bb.Some are bent.Some are both.Effective seat angle is the measured through the centre of the bb and with the seat at a nominal/average height.
Posted : 16/06/2016 5:36 pm