THE BEST CITY BIKE TIRE PRESSURE – WHAT TRULY MATTERS!

The tire sidewall provides key information, including the tire size and the recommended air pressure in PSI or bar. 

Manufacturers usually print a pressure range from minimum to maximum on the tire. Remember that the front and rear wheels carry different loads. About two-thirds of the total weight rests on the rear wheel, with slightly more on city bikes and Dutch-style bikes. Increasing the rear pressure by 0.3 to 0.5 bar is generally enough to balance this out. You can find more tips on selecting the right tire and tube size and how to read ETRTO specifications on the sidewall in our magazine.

Getting the tire pressure right isn't very helpful if the inner tube undermines those benefits. Classic butyl tubes have proven their worth over decades, but they have clear drawbacks for city riding: heavier weight, more air loss, and less effective flat protection from punctures caused by broken glass or nails. 

This is where AERON/TPU bicycle inner tubes come into play. TPU — thermoplastic polyurethane — blends the flexibility of rubber with the dimensional stability and durability of modern plastics. The result is a tube that's not only significantly lighter but also performs consistently across different pressure levels. This benefit is especially evident in city traffic, where air pressure can vary slightly due to weather, load, and road conditions.

AERON/TPU tubes offer: 

• Lower rolling resistance because the tube conforms more evenly to the tire and needs less flex energy. 
• Less air loss, ensuring longer-lasting pressure stability 
• Greater resistance to impact punctures on curbs and edges. 
• A very compact pack size — perfect as a spare tube for commuters. 
• High-dimensional stability, even at higher city bike pressures

There's a common saying: "As much as necessary, as little as possible." The advice to ride with as little tire pressure as possible originally comes from competitive cycling, where modern lightweight tires with thin casings do indeed perform efficiently even well below recommended pressure. However, for many classic city bike tires, this doesn't apply without reservation. Some tires feature particularly thick sidewalls, with a rubber layer nearly a quarter inch (around 7 mm) thick for high flat protection — but that also means a very stiff casing. Running such a tire at too low a pressure greatly increases rolling resistance. The tire essentially rolls along the asphalt in a wobbly manner instead of rolling smoothly. Additionally, these tires tend to develop sidewall cracks and age prematurely when consistently run at low pressure. For this reason, heavy-duty puncture-resistant tires should always be inflated in the upper third of the manufacturer's recommended pressure range. Riders using a sportier city tire with a thinner casing can get away with less pressure — but along with increased comfort, they should expect some compromises in flat protection and tire lifespan.

Whether your city bike's tire pressure is set correctly can often be noticed right at the start of a ride. Too little pressure results in mushy handling and increased pedaling effort, sometimes causing sluggish steering or a wallowing feeling. Too much pressure becomes apparent through harsh feedback, bouncing, and less comfort. A floor pump with a pressure gauge or a separate tire pressure gauge remains the most reliable method. Pressure should also be adjusted when riding with heavy cargo for long periods or in winter on slippery roads.