psi.bike

Find your pressure.

Three calculators agree within 6%. Here's what they each say — and why.

Input mode
Rider weightkg
Bike weightkg
Tire widthmm
Hookless rim
Caps SRAM/Zipp at 73 psi
Surface
Road
Gravel
MTB
Tubeless
Run ~2 psi lower across all tools

Pressure recommendations are estimates based on published manufacturer formulas and should be used as a starting point only. Always check your tyre sidewall for maximum pressure limits, inspect tyres and valves before each ride, and adjust based on personal preference and conditions. psi.bike accepts no liability for any loss or injury arising from use of these recommendations.