BikeTyke
07-04-03, 11:22 AM
Can someone explain to me what is considered a steep or slack head angle? Also how does the seat tube angle change your pedalling efficiency? would 3 degrees in seat tube angle change your pedalling that dramatically?
Mountain Biking - Angles?
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moabrider47
07-04-03, 11:57 AM
Don't want to throw out numbers as to what is considered a slack or steep angle, but a steeper angle will give you twitchier, or "faster" steering. A slacker angle will make the steering feel "slower" or more controllable. I've never really been concerned with the seat tube angle - proper seat height, tilt, and movement front to back have been my concerns. More of an angle might positions you differently in relation to the crankarms, forcing you to use certain muscle groups differently, perhaps affecting pedaling efficiency. Couldn't tell you what 3 degrees would feel like in terms of a different pedaling feel. You should be able to find some info on the net as to what headtube angles are considered steep. You could also look at the geometries of bikes on manufacturers' websites to get an idea.
-Moab
-Moab
tFUnK
07-04-03, 02:37 PM
most bikes (hardtails anyway) use a 71/73 geometry. plus or minus 1 or 2 degrees. anything beyond that range might be considered slack/steep.