Back to Dashboard
The Contact Patch
Tire Pressure Calculator
Don't guess. Calculate the optimal pressure for your specific rim width, casing, and terrain.
System Details
lbs
lbs
Tire & Rim
mm
mm
Conditions
Recommended Pressure
Optimized for speed & grip balance
Front Tire
71.5psi
5686
Min: 64.3Max: 78.6
Rear Tire
85.6psi
71101
Min: 77.1Max: 94.2
Max GripBalancedMax Speed
Balanced setup for mixed riding.
Rim Width Matters
Your 21mm rims make your 28mm tires behave like 29mm tires. We've adjusted for this.
Temperature
Tires gain ~1 psi (0.07 bar) per 10°F (5°C) increase. Check pressures before riding in the ambient temp you'll ride in.