1
vote
2answers
176 views

What is the relationship between tyre pressure and weight?

To give an example of what I'm trying to understand: To accelerate to a given speed or maintain that speed with a tyre pressure of e.g. 100PSI requires a certain amount of energy. If that amount of ...
6
votes
5answers
1k views

How much does tire pressure affect the weight of the wheels

Kind of inspired by this question, but something I've been thinking about for a while. How much does the air in a bike tire weigh? Is it an appreciable amount? Is there a point where using a wider ...
1
vote
2answers
989 views

Will my bike hold my weight?

I'm pretty heavy (~150kg/330lbs) but being fond of cycling in the past, I decided to buy a bike, and maybe try to lose a few kilos with it. I didn't have too much time for looking around, so I bought ...
1
vote
2answers
256 views

Am I too heavy for my Trek 7200 multitrack?

I was wondering if I'm too heavy for my bike. I'm about 260lbs (118kg). I keep getting flats.
3
votes
2answers
330 views

Using a much heavier rear tyre than in the front

For the last 3 years I've been using light (800grams) tyres front and rear. Since I've been having too many rear tyre pinch flats (tried everything: high PSI, tubeless, heavy duty tubes) I'd like to ...
2
votes
4answers
1k views

Weight of wheels vs. weight of tyres

On my touring bike, about a year ago, I upgraded my tires from the low-end stock ones to better lighter ones. The weight gain was 205g per tire so 410g on the whole bike, plus a few grams on the tubes ...
5
votes
4answers
326 views

What kind of bike should i get to accomodate me?

I'm a plus sized female (about 135 kg, 295lb, 5'7") from NYC and I'm looking to get into bike riding again. I haven't ridden a bike since I was about 12 years old and I loved it. I'm looking to ...
-2
votes
2answers
607 views

The lightest 26" mountain bike tire with minimum width of 2.3 [closed]

All mountain or xc application, wet or dry condition.