All Questions
Tagged with tire tire-pressure
61
questions
3
votes
2
answers
126
views
Cracking on rear tyre only (Specialized Armadillo Hemisphere)
I use a mountain bike with Specialized Armadillo Hemisphere trekking tyres for regular commuting, and recently noticed cracking around the tread features on the rear tyres (see photo); the front tyres ...
- 131
5
votes
3
answers
4k
views
Is bike tyre pressure info deliberately hard to read?
Inflation pressures for tubes are typically written on the side wall of tyres.
I tend to use my tyres till they are very worn and tube starts to bulge through a tiny bit.
Most of the time I spot this ...
- 375
12
votes
4
answers
3k
views
Is rolling resistance that significant?
How significant is rolling resistance?
I switched the tires on my bike back in March and ever since then, I've noticed that I've lost about 2 mph (3 km/h) on average. I just feel slow and notice that ...
- 475
-1
votes
1
answer
51
views
I can’t unscrew the rear tire dust cap and when I pump it not all the air from the pump goes in
It is a Kent Ambush FS20 bike. Blue. Pretty Old around 5-7 years old.
From https://www.walmart.com/ip/Kent-Bicycles-20-Boy-s-Ambush-BMX-Child-Bike-Black-Blue/36877058
7
votes
5
answers
2k
views
The tire of my bicycle flattens within a week
I bought a used bicycle; it is all fine but one problem that I am having is that its front tire always flattens in about 5 or 7 days after I put air in it. I don't know what's causing this. Is there a ...
- 71
9
votes
5
answers
2k
views
What are the drawbacks of having wider tires on endurance road bikes, as they may offer the same rolling resistance with lower pressure/more comfort?
It is often stated that wider (performance) tires offer less rolling resistance at the same pressure (or less pressure at the same rolling resistance, which is beneficial for comfort). The well known ...
- 21.5k
3
votes
2
answers
2k
views
Can I change my 29x2.25 MTB tyres to a 29x2.35 tyre without changing anything else? [duplicate]
I am a large guy, nearly 2 metres (78 inches) tall and weigh about 160kg (350 pounds). I am aware that bikes are not really made with me in mind and that my best bet is to have new wheels custom built ...
4
votes
2
answers
385
views
Does low tire pressure affect safe, minimum tire clearance?
Will running a tire at the minimum recommended pressure increase the safe, minimum tire clearance? If I switch to the tire width I have in mind, I will have slightly more than 3mm of clearance. This ...
- 167
12
votes
8
answers
4k
views
Why are mountain bike tires rated for so much lower pressure than road bikes?
Road bikes with their sleek, thin and flimsy looking tires are designed to take extremely high pressures, going up to 130 PSI (900 kPa). Mountain bikes have much more solid looking, broader tires. And ...
- 391
3
votes
3
answers
2k
views
What should my rear and front tire pressures be if they have wildly different recommended pressure ranges?
I ride a gravel bike and decided to upgrade my rear tire to a new semi-slick one so I can be a bit faster (Innova Pro Stampede -> Maxxis Receptor). The problem is though that the Maxxis Receptor ...
10
votes
5
answers
2k
views
Why don't my studded tyres grip on ice?
For the first time in my life, I have had stud tyres installed on my bicycle, because I've nearly killed myself bicycling the last few winters, no matter how slowly and carefully I go. It seems like ...
- 117
5
votes
4
answers
8k
views
Anything wrong with 100 PSI in 700x32 tires on a road bike?
Independent of the manufacturer of my new road bike, I wanted to ask if I am overkilling the purpose or intent of 700x32 tires by using 100 PSI. The air volume is greater for 700x32, so I believe the ...
- 597
0
votes
0
answers
218
views
Tire and tube keep popping off of the rim
It's the third time now that the tire just pops off my rim, and then the tube blows up as a result. This is all within the span of six months on a brand new bike assembled by a supposedly high-end ...
9
votes
4
answers
1k
views
Letting air out of tires in the rain: any chance of water getting in? (Presta valve, tubeless tires)
I grant this is probably a silly question, but one never knows...
I was out riding and rain arrived earlier than expected. I had inflated my tires before setting out to a pretty high pressure for my ...
- 1,061
3
votes
1
answer
495
views
Tyre pressure aero wheel
I don’t know what to do in this situation with my road bike. My aero wheel say max 103 psi on it but my tyre range say 115-145 psi. I weigh 180 lbs. Do I inflate them to 100 psi or 115?
- 31