# Tagged Questions

Questions concerning the angles, tube lengths, and other measurements of the bike frame.

14k views

### Explaining the effects of frame geometries

I asked about buying a bike here, and someone asked on my behalf about test-riding a bike before buying. My question is, what should I know, or should have known, about the sizing or 'geometry' of a ...
1k views

### Bike fitting experiences

I just recently went through a Specialized BG Pro-Fit (was about \$200), and have to say that I'm super happy with the results and experience. The fitter was telling me about some others out there ...
13k views

### Touching the front wheel with my foot when turning

My girlfriend got a new city bike today and she touches the front wheel every time she has to make a hard turn. Is there anyway to avoid this besides replacing the whole bike? LATER EDIT: I think I ...
18k views

### What effect does head tube angle have on a bicycle?

My girlfriend and I are looking at a new bike for her. The one we're looking at has a 70 degree head tube angle while her current bike has a 70.5 degree head tube angle. Unfortunately, none of the ...
9k views

### Does inseam of pants convert to stand over height of a bike?

If I know my jeans size, for instance 32", 32", can I convert this into an estimate for standover height on a bike?
10k views

### How does a chainstay length affect a mountain bike performance? (wrt: 26", 650B, 29r)

The trade offs for 26" through to 29" with respect to rolling resistance, contact patch, obstacle rollover, etc... have been well discussed. However, it occurs to me that as the rear wheel gets larger ...
3k views

### What would be the “definitive” formula to calculate chainstay length from sprocket size, chainring size and number of chain links?

Before I started to write this answer, I thoroughly read this question, its answers and comments: How do I calculate the diameter of a chainring from the number of teeth? So, my question tries to ...