Bicycle Tire Pressure Demo

Bicycle Tire Pressure Demo


The Bicycle Tire Pressure Calculator is used to compute the optimal air pressure for your bicycle tires. Tires pumped too hard bounce down the road like a basketball, wasting energy. Tires pumped not hard enough are sluggish and prone to pinch flats. Tires pumped just right are at the optimal intersection of responsiveness, shock absorption, and energy efficiency.

Popular misconception is to pump a bike's tires to the highest number printed on the sidewall by the manufacturer. Instead, the optimal pressure is that which yields in a 15% sidewall drop. Sidewall drop is a non-linear function of the load on the tire and its width. It can be computed based on the weight of the bike, rider, bags, and gear. It is also different between front and back, depending on the frame geometry.

With this App, you can instantly compute the optimal tire pressure from your phone or tablet wherever you may be: in your garage, on the road, at a friend's house.

Features:
* Enter weights in pounds or kilograms
* Calculate pressures in PSI or bar
* Tire widths from 19 to 60 mm; diameters of 26", 650B, and 700C; 4 of the most typical frame geometries
* Configure and save two bikes (unlimited bikes on paid version)
* Tap bike graphic to recalculate pressures

Recent changes:
v1.3 -
* New UI look and feel
* Misc usability bugs fixed
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Free
72
3.6
User ratings
31
Installs
1,000+
Concerns
0
File size
271 kb
Screenshots
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About Bicycle Tire Pressure Demo
The Bicycle Tire Pressure Calculator is used to compute the optimal air pressure for your bicycle tires. Tires pumped too hard bounce down the road like a basketball, wasting energy. Tires pumped not hard enough are sluggish and prone to pinch flats. Tires pumped just right are at the optimal intersection of responsiveness, shock absorption, and energy efficiency.

Popular misconception is to pump a bike's tires to the highest number printed on the sidewall by the manufacturer. Instead, the optimal pressure is that which yields in a 15% sidewall drop. Sidewall drop is a non-linear function of the load on the tire and its width. It can be computed based on the weight of the bike, rider, bags, and gear. It is also different between front and back, depending on the frame geometry.

With this App, you can instantly compute the optimal tire pressure from your phone or tablet wherever you may be: in your garage, on the road, at a friend's house.

Features:
* Enter weights in pounds or kilograms
* Calculate pressures in PSI or bar
* Tire widths from 19 to 60 mm; diameters of 26", 650B, and 700C; 4 of the most typical frame geometries
* Configure and save two bikes (unlimited bikes on paid version)
* Tap bike graphic to recalculate pressures

Recent changes:
v1.3 -
* New UI look and feel
* Misc usability bugs fixed

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User reviews of Bicycle Tire Pressure Demo
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Android Market Comments
A Google User
Sep 8, 2014
wrong? max for contis 4000s II 120psi. app says 137 rear 87 front.
A Google User
Jun 13, 2014
good good
A Google User
Sep 25, 2013
Boothy Great app. Let's me accurately determine tyres pressures for my bikes.
A Google User
Sep 7, 2013
Just fine. Will buy This worked fine for me. I tried different tires and geometries snd it gave sensible results. I will buy the full version.
A Google User
Aug 28, 2013
Only did street bikes. Never even changed numbers when I changed weight of rider. Uninstalled