1. What is a Tire Pressure MTB Calculator?

Definition: This calculator estimates the recommended tire pressure for mountain bikes based on the rider's weight.

Purpose: It helps cyclists find a good starting point for tire pressure to optimize traction, comfort, and rolling resistance.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P \) — Tire pressure (bar)
• \( W \) — Rider weight (kg)

Explanation: The base pressure of 1.5 bar is adjusted upward based on the rider's weight to maintain optimal tire performance.

3. Importance of Proper Tire Pressure

Details: Correct tire pressure affects grip, rolling resistance, puncture protection, and ride comfort. Too high reduces traction, too low risks pinch flats.

4. Using the Calculator

Tips: Enter your weight in kilograms (including riding gear). The result is a recommended starting pressure that may need fine-tuning.

5. Frequently Asked Questions (FAQ)

Q1: Is this pressure for front or rear tire?
A: This is a general recommendation. Typically, rear tire pressure should be 0.1-0.3 bar higher than front.

Q2: How does tire width affect pressure?
A: Wider tires generally need lower pressure. Subtract 0.1-0.2 bar for every 10mm increase in tire width over 2.2".

Q3: Should I adjust for trail conditions?
A: Yes, reduce pressure by 0.1-0.2 bar for rough/technical trails, increase slightly for smooth/hardpack.

Q4: What about tubeless setups?
A: Tubeless tires can typically run 0.2-0.5 bar lower than tubed tires.

Q5: How often should I check my tire pressure?
A: Before every ride, as temperature changes and small leaks can affect pressure.