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GripAssistantManufacturer tyre pressures, cold and hot, in your pocket
Pick your tyre brand, model and sizes, and get the manufacturer's cold and hot pressures in bar and psi. Works offline at the track.
- Brands
- Pirelli, Bridgestone, Dunlop
- Tyre models
- 10, with PMT coming next
- Units
- bar and psi
- Offline
- Yes, once installed
- Account
- None needed
GripAssistant answers one paddock question: what pressures should this tyre run? You pick the brand, the model and your front and rear sizes. It shows four values: front and rear, cold and hot. Each one is in bar, with psi underneath.
How it works
- Choose the brand: Pirelli, Bridgestone or Dunlop.
- Choose the tyre model and your front and rear sizes.
- Read the cold and hot pressures, and the tyre-warmer time and temperature where the manufacturer gives them.
The numbers come from the manufacturers' published tables. Where a table only gives bar, psi is converted across the whole range, not just the first number.
Built for the paddock
- Big, high-contrast numbers you can read in direct sunlight.
- Installs to your home screen and works with no signal.
- No account, no sign-up. Open it and read the number.
- Share a result as a link or a QR code, so everyone in the garage sets the same pressures.
GripAssistant FAQ
Which tyres does GripAssistant cover?
Pirelli (Diablo Superbike, Diablo Supercorsa SC, Diablo Rain, Diablo Wet and Diablo Scooter), Bridgestone (R11, CR11, V02 and W01) and Dunlop Moto3 tyres. PMT is the next brand to be added.
What is the difference between cold and hot pressure?
Cold pressure is measured before the tyre is warmed up. Hot pressure is measured at working temperature, straight off the warmers or the track. GripAssistant shows both for your tyre and size, as the manufacturer publishes them, plus the tyre-warmer guidelines where they exist.
Does it work without phone signal?
Yes. Add it to your home screen and open it once. After that it works offline, which is what most paddocks need.
Can I share my pressures with a friend or my mechanic?
Every result has its own link. Share it from your phone, copy it, or show the QR code on screen.
Are the values a substitute for my tyre fitter's advice?
No. The values are for information only. Your tyre fitter, the manufacturer's trackside service or your instructor can tune them for your bike, weight and the weather on the day.
GripAssistant is built by the team behind PitPin. When our articles mention it, it is because the topic fits, and we always say it is ours.