Recommended Tire Pressures

ou may ask how much psi for my carbon road wheels？What is the suitable tire pressures？The article will tell you the info to guide you get a recommended tire pressures.

It is different when you get recommended tire pressures between clincher tires wheels and clincher tires wheels.

 

Standard Clincher Tires With Inner Tubes

Maximum pressure for using our wheels with clincher tires with inner tubes fitted is 120psi, however we believe best performance is achieved at below 110psi for all riders. Recommended pressures for clincher tires are slightly higher than tubeless to prevent pinch flats.

Tubeless Tires

Maximum pressure for using our wheels with tubeless tires set-up tubeless is 100psi, however we believe best performance is achieved at below 100psi for all riders. Recommended Pressures are lower than clincher to reach the lowest rolling resistance and obviously pinch flats are not an issue.

Below Chart is our recommended tire pressure.

	STANDARD CLINCHER TIRE WITH INNER TUBE	TUBELESS TIRES
≤ 65 KG RIDER	23mm - 95/100 psi 25mm - 90/95 psi 28mm - 85/90 psi	23mm - 90/95 psi 25mm - 85/90 psi 28mm - 80/85 psi
65 - 75 KG RIDER	23mm - 100/105 psi 25mm - 95/100 psi 28mm - 90/95 psi	23mm - 90/95 psi 25mm - 85/90 psi 28mm - 85/90 psi
75 - 85 KG RIDER	23mm - 101/106 psi 25mm - 96/101 psi 28mm - 91/96 psi	23mm - 95/98 psi 25mm - 90/95 psi 28mm - 85/90 psi
85 - 95 KG RIDER	23mm - 104/109 psi 25mm - 99/104 psi 28mm - 94/100 psi	23mm - 95/99 psi 25mm - 90/95 psi 28mm - 88/95 psi

IMPORTANT - Please check, and never exceed, the maximum recommended tire pressures on the side of your tire.

More Info About Tire Pressure

Since John Dunlop patented his experimental "pneumatic tire" in 1888, cyclists have lined up to buy his marvellous invention. Tires were glued on at first, then wired into place on the rim. It took the motor industry a few years to adopt Dunlop's invention, and by that time, rubber tires had been thoroughly investigated on bicycles. Bigger wheels rolled better than small ones, and fatter tires gave a better grip on the road than skinny ones. Thick tires resisted the necessary evil of punctures, but pedalling them was hard work. All these contradictions had to be resolved by the tire companies. 

 

Finally, a series of compromises was worked out. Racers used skinny tires with smooth treads and supple sidewalls, inflated to high pressures expressed in pounds per square inch (psi). The butcher's boy needed thick tires for puncture resistance at lower pressures and a long life carrying heavy loads. The postman's bike was somewhere in between the two extremes. A series of myths arose based on tire pressure.

 

Manufacturers printed an extremely wide range of minimum and maximum tire pressures on tire sidewalls – information which was useless to the individual cyclist. Still, the old myths have been debunked over the last fifteen years as the MTB industry took a closer look at the pressure an individual cyclist requires for the desired blend of road holding, speed, and comfort.

 

The first legend to be demolished was that high-pressure skinny tires mean speed. Scientific experiments found that a rider weighing, say, 155 lbs, using 28mm tires at 60 psi would completely outperform his old-fashioned adversary from the 1980s, who lost out with 120 psi in 20mm rock-hard covers. The tire with lower pressure and larger cross-section has superior comfort, road holding, speed and puncture resistance. These days, pro-road men are riding tires, sometimes even 30mm wide, that suit the surfaces they'll be competing on. And they do so at pressures derived from their body weight – or the weight of cycle and rider combined.

But what's an amateur to do if they want to find the optimum pressure to put into a specific tire? Go to the internet, and you'll find a wealth of easy-to-use tire pressure calculation apps. Enter your exact weight and the tire diameter to be used, then click on CALCULATE.

 

A dainty lady of some 110 lbs will be told to run her fat bike tires at just under 20 psi. A 200-pound bruiser will get a recommendation of 130 psi for his 23-mm road tires.

Be aware that such figures require fine-tuning. Use that ballpark psi figure as your starting point and experiment by using 5 psi, more or less, until the process yields a pressure you like. If you're using tubeless, this fine-tuning process will need to be extended a further 1,5 psi from the bottom end. Hook-less tubeless tires are worth trying at up to 5psi less than what the apps calculate.

 

FAQ

1. For 25mm tubeless tires, what PSI is advised?
Generally speaking, depending on rider weight, road conditions, and riding intent, the advised PSI range for 25mm tubeless tires is 70–90 PSI. Whereas bigger riders or those looking for more speed may choose higher pressure, lightweight riders or those cycling on smooth roads can choose lower pressure.

2. For 32-mm tubeless tires, what is the advised PSI?
Usually, the advised pressure for 32-mm tubeless tires is 50–70 PSI. Although lower pressure increases comfort and traction—especially on lengthy rides over rugged terrain—avoid going too low to prevent tire deformation.

3. Based on rider weight, how should tubeless tire pressure be tuned?
Riders under 70 kg (154 lbs) should gently reduce pressure for maximum comfort; for 25 mm tires, this is 70–80 PSI, and for 32 mm tires, this is 50–60 PSI.

Riders over 70 kg (154 lbs) should gently increase pressure to prevent too much tire deformation; for 25 mm tires, this is between 85 and 90 PSI; for 32 mm tires, this is 65 to 70 PSI.

4. How can one change tubeless tire pressure depending on riding circumstances?
City streets should be smooth. To lower rolling resistance, somewhat higher pressure—say, 85 PSI for 25 mm, 65 PSI for 32 mm—is used.

Slightly lower pressure—e.g., 75 PSI for 25 mm, 55 PSI for 32 mm—to improve traction on wet surfaces.

To increase shock absorption, use gravel or off-road significantly lower pressure (e.g., 70 PSI for 25 mm, 50 PSI for 32 mm).

5. How can one find out whether tubeless tires are air-leaking?
Especially when kept inactive for extended periods of time, tubeless tires gradually lose air over time. Weekly tire pressure should be checked with a pressure gauge; if it goes below the advised range, inflate. Fast air loss can point to a tire or valve sealing problem.

The lowest safe pressure for tubeless tires is what?

Tubeless tire minimum safe pressure relies on tire width:

It is advised not to go below 60 PSI for 25mm tubeless tires in order to avoid too much compression.

It's advised not to go below 40 PSI for 32mm tubeless tires to prevent pinch flat damage.

7. In what way does tubeless tire pressure change with temperature?
Tire pressure rises with heat. Starting with rather lower initial pressure is advised.

Tire pressure lowers under cold weather. Before riding, check and inflate tires to be within their correct range.

8. Could calculations of inner tube pressure be replaced by tubeless tire pressure?
Tubeless tires are meant to lessen puncture risk and improve comfort, so they usually run at lower pressures than conventional inner-tube configurations. For the optimum pressure advice, refer to the handbook of the particular model or see a specialist.