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Tire inflation is extremely important! Keeping tires pumped up is one of a few maintenance tasks that should be performed regularly at home.
There are two main points: finding which valve is equipped on the bike and how it operates, and learning how much to inflate your tires.

Inflate your tires at least once a month. Properly inflated tires ensure that you get optimal life, battery range, and traction for steering and braking out of your tires.

Tires will normally drop around 15 PSI per month if not topped off. This is because bicycle tires are much thinner and lighter than car tires, and are often inflated to higher pressures. If it is deflating more quickly, there may be a slow leak in the valve or puncture. In that case, contact us to schedule service or read Fix a Flat.

Underinflated tires can be hazardous; always keep your tires inflated at or above the minimum pressure listed on the tire sidewall. Pressures that fall below manufacturer recommendations can result in reduced control of the bike, increased risk of puncture and pinch flats, and sidewall or tread damage, sometimes causing blowouts.

Step-by-step guide

To inflate a tire, 

  1. It is recommended to use a floor pump or compressor with a gauge. Squeezing a tire is inaccurate; but for a quick test, the tire should feel quite firm.
  2. Check the sidewall of the tire for the manufacturer's recommended pressure range, typically measured in bar or psi. Use whichever measurement you are familiar with and is represented on your pump's gauge.

  3. This example is a wide urban commuter tire typically seen on an e-bike. It can inflate from 35 to 70 PSI. Substitute the pressure range listed on the tires equipped on the bike.

  4. A pressure somewhere in the higher half of the range is good for most people, considering a heavier e-bike with commuting accessories in an urban environment. Contact us or read the detailed section below for more specific recommendations.

  5. Bicycle tire pressure is much more influenced by rider and cargo weight than a car, because the bicycle itself is a fraction of the total weight.

    Use higher pressures as weight increases, such as with fully loaded panniers or carrying children, or if the rider is heavier than 160-180 lbs. Consult the manual for your bike and cargo accessories to determine maximum weight capability.

    Inflate and maintain the rear tire of the Xtracycle Edgerunner at its maximum pressure (50-55 PSI). Pressures below this range will have exaggerated negative consequences due to the small tire size and increased load.

     Click here for more detailed pressure info...

    At the extremes of a tire's pressure range the riding experience is changed dramatically. Again, substitute these example pressures for the those listed on the tire sidewall.

    1. 35 PSI will provide a soft, comfortable ride that handles more slowly. 

      1. Pressure this low can be better for very rough terrain or dirt path riding, but needs to be checked regularly to make sure it doesn't drop too low. 

      2. The tire may also wear out more quickly, especially on heavier bikes. There is a higher flat risk.

      3. Battery range will be reduced and/or the bike will require increased pedaling effort.

    2. 70 PSI will be a firm, speedy ride with quicker, more responsive handling.
      1. Pressure this high is best suited for smooth, freshly paved surfaces, and can be jarring on poorly maintained roads.
      2. The tire can be less susceptible to flats.
          1. Battery range can increase with higher pressures.

            Tire pressure can be an individual preference. Experiment with tire pressure within the manufacturer's range to find what best suits your riding style and terrain.

            Never inflate beyond the tire manufacturer's recommended maximum pressure.

            Bike Model (With stock tires)Tire pressure range (Front & Rear psi)

            Recommended Pressure (Front / Rear psi)

            Agattu 735 - 65 psi50 / 60
            Benno Boost35 - 4535 / 45 Rear max with load
            Brompton100 psi100 / 100
            Gazelle Cityzen65 - 9580 / 90
            Gazelle Arroyo35 - 6550 / 60
            Evo55 - 8580 / 90
            Faraday50 - 8565 / 75
            Haibike XDURO MTB26 - 5435 / 45 (w/ tubes)
            Haibike SDURO Trekking50 - 8565 / 75
            Kalkhoff Include50 - 8565 / 75
            Kalkhoff Integralle 835 - 7055 / 65
            Kalkhoff Integral 1135 - 7055 / 65
            Stromer ST1, ST230 - 5040 / 50
            Stromer ST2 S65 MAX45 - 55
            Xtracycle30 - 5545 - 55 Rear max with load
               
    1.  

  6. Determine which valve type is installed on your bicycle.
  7. Check to make sure the valve is properly fitted and not bent, cut, or otherwise damaged. If so, replace the tube or contact us to schedule service.

    If the valve is coming out of the rim at an angle, deflate the tube fully, realign the valve, then reinflate the tire.

  8. Follow the guide for your specific valve type:

For more detailed information on pressure, rolling resistance, wear, and general tire technology, visit Schwalbe's Tech Info Page.