FAQ: What Size Bike Seat Do I Need?

How do I know what size bike saddle to buy?

Finding a bike saddle that is the right size for your body mostly has to do with the width of the saddle and how well it supports your ischial tuberosities (sit bones). Generally, you want a saddle that’s wide enough for good support, but not so wide that it causes rubbing and chafing.

What width saddle do I need?

Place the foil or cardboard on a carpeted stair and sit down, then pick up your feet to mimic your riding position. When you stand up there should be two depressions left by your sit bones. Measure the distance between the centres of the depressions and add 25 to 30mm to find your ideal saddle width.

Are bike seats a standard size?

The most common size is 27.2 mm (1.07 in) for most bikes, especially for the higher-quality models. BMX bikes commonly use 25.4 seatposts. In some modern bikes with thicker alloy or carbon tubing, larger diameters such as 30.9 mm are used. Tapering seatposts often have a diameter of 22.2 mm (⅞ in) at the top.

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Is a wide bike seat more comfortable?

Wider is more comfy. Certainly, sleek racing saddles don’t look comfortable but wider seats create more friction and chafing when you’re doing lots of pedalling (say on the road, or in a race). In general, the more you ride and pedal, the thinner and less obtrusive a saddle should be.

How do I know what size English saddle to buy?

A good rule of thumb is that an English saddle seat size will run around two inches larger than a Western saddle. So, if you ride a 15.5” Western saddle, you will likely need a 17.5” English saddle.

How much should I add to sit bone width?

Your sit bones will leave an indentation on the paper. Use a measuring tape to measure the space between the indentations in millimeters not inches. Once you have the measurement, add 2cm (or 20mm). Saddle width is approximate to sit bone spacing + 2cm.

Why do my sit bones hurt when cycling?

Improper fit on your bike could be the main reason for your saddle discomfort. If your saddle is too high, too low, too far forward, too far back, not level, or if you are reaching too far to your handlebars, you could be experiencing pain as a result.

Where should you sit on bike saddle?

Sit as far back as possible on the widest part of the saddle. Tilt the front of the saddle down slightly. Optimize geometry (SQlab recommends Body Scanning CRM)

Should my feet touch the ground on a bike?

When you are sitting on the saddle, you should be able to touch the ground with your tiptoes, but you shouldn’t be able to put your feet flat on the ground. If you do find that your feet are flat on the ground, then your saddle is too low, and it will need to be raised.

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How do I know if my bike seat is too high?

If you go too high, you’ll notice you rock on the saddle or feel a strain at the back of the knee. Pedalling will cease to be smooth and circular, and you may feel your snatching at the bottom of the stroke. If you go too low, you’ll feel compression at the front of the knee.”

What is the correct saddle height for road bike?

Place your heel on the pedal and pedal backwards to reach the six o’clock position. Your knee should be completely straight. If your knee is still bent you need to increase the height, adjusting in small increments each time, and if your heel loses contact with the pedal then you need to lower the saddle.

Why are bicycle seats so small?

Bike seats do come in different shapes for different types of riding. Generally, the faster you ride, the skinnier the seat will be. This is because the faster you go, the more your body weight is supported by your legs and handlebars instead of the seat.

Are all bike seats the same size?

It’s rare nowadays to find a bike seat that doesn’t fit a regular seat post. Pretty much most modern seats are interchangeable and will fit most bikes. There are exceptions like dirt jump bikes, racing bikes, BMX bikes, or super expensive bikes. The width between these two rails is known as the saddle rail width.

What is the standard bicycle seat post size?

The dimensions of the seat tube can vary from bicycle to bicycle, so when choosing a seatpost, it’s important to get the correct diameter. The most common diameter is probably 27.2mm, but other sizes between 21.15 and 35mm are often found, as well. Seatposts also vary in length.

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