Geometry, explain and describe
petemadoc
Posts: 2,331
OK so I understand the basics, seat tube, top tube yada yada
What type of frame am I riding at the moment though? To me it looks and feels very racey, the head tube looks tiny compared to others. So how would you describe my bike's geometry
The size is a small
S/52 A=520 B=530 C=70° D=74.5° E=425 F=70 G=105 H=400 I=45 J=1015
What type of frame am I riding at the moment though? To me it looks and feels very racey, the head tube looks tiny compared to others. So how would you describe my bike's geometry
The size is a small
S/52 A=520 B=530 C=70° D=74.5° E=425 F=70 G=105 H=400 I=45 J=1015
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Comments
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It's your position on the bike that determines the 'raciness' as much as the frame proportions and angles - how far is the drop between the top of the saddle and the bars? With smaller size frames, particularly with 700c wheels the limiting factor is the ability to join all the tubes together whilst maintaining reasonable geometry without the wheels getting in the way - some are better than this than others e.g. many Italian builders. If you scale-down average geometry you sometimes get horrible front-wheel overlap or too steep a headtube angle which makes handling less very twitchy. Re your headtube length, it also depends on whether you have a stack of spacers under the stem.Make mine an Italian, with Campagnolo on the side..0
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OK well currently I've got 2 spacers under the stem which is angled in the down position which makes it just about horizontal. Not sure of saddle to bar drop without checking.
The reason I ask is I'm trying to compare my current frame to a possible new frame. So ignoring the other setup as this can be changed on the new frame . . . .0
