Which bike frame size is right? – Guide

The purchase standsa new bikeBefore, there are numerous factors that influence the selection. From the budget to the type of bike to the tire and frame size, every aspect plays an important role and serves as a guide in the wide range of models. In order to find the right bike, you should be clear about what you need and want. Are you looking for a bike for city traffic or are you more likely to use one for sporting ambitions? Or should it be ideal for forest paths? It is also very important to choose the right bike frame size. In this article we present what are the most important factors and what you should pay particular attention to when buying a bike.

How to calculate the frame size correctly!

The basis for choosing a balance bike is the correct oneFrame size for bike. Usually the absolute height is used for the calculation. However, this method mainly works for children's bikes. The rim or tire size in inches is more important and the actual frame size does not play such an important role. On the other hand, the frame size is crucial for an adult bike. It is calculated by the step height and there are different recommendations depending on the type of bike.

Alternatively, you can also measure them

In addition to body height, step height is the most important factor in determining the correct bike frame size. To do this you need a folding rule or a tape measure and a spirit level or alternatively a thick book. The most accurate way to take the measurements is to take off your pants and shoes, i.e. with underwear or cycling shorts. Now take the spirit level or the book and clamp it between your thighs as horizontally and upwards as possible. Then the distance between the top edge of the book/spirit level and the floor is measured.

Determine the frame size for your bike yourself: This is how it works!

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For adults, the stride length is between approximately 65 cm and 95 cm. This measurement is then entered into a formula together with the tire size and calculated depending on the type of bike. Tire size is usually given in inches and must be calculated in centimeters. One inch is equal to 2.54 cm. For example, for a trekking bike, racing bike or e-bike (28″), the individual stride length X o.66 is calculated and corresponds to the frame height in centimeters. For MTB or youth bikes, the step length X 0.226 X 2.54 is calculated to give the frame height in centimeters.

If the determined value is between two sizes, then a sporty cyclist chooses the smaller frame size and a touring cyclist chooses the larger one. In general, the more sporty the bike is used, the smaller the wheel or frame size should be. You should choose a larger wheel size if you plan on using your bike touring. Small frames are generally more stable and maneuverable. Large frames offer, above all, comfort and smoother running.

Guide depending on the type of bike

When choosing a bike, the frame height is crucial for the feel-good factor while cycling. The quality bicycles usually offer a range of frames in different sizes. It is advisable to calculate the frame size according to individual specifications so that it fits perfectly and also feels comfortable while riding. To make the process a lot easier, we have put together a list depending on the type of bike. However, this information is only recommendations and is primarily intended for orientation, as the ratio of upper body length to leg length can vary greatly.

Recommendations for a trekking bike

Body size: Frame size:

150 – 160 cm 42 – 47 cm

160 – 170 cm 47 – 52 cm

170 – 175 cm 52 – 54 cm

175 – 180 cm 54 – 56 cm

180 – 185 cm 56 – 58 cm

185 – 190 cm 58 – 60 cm

ab 190 cm – ab 60 cm

A trekking bike is a perfect and reliable partner for everyday life in the city, but also for light terrain and longer bike tours. It has a comfortable base and is usually equipped with a luggage rack so that a travel bag or basket can be easily attached to it.An additional equipmentis also optional.

Moutntainbike

Body size: Frame size/in inches:

150 – 155 cm 33 – 36 cm/ 26″

155 – 160 cm 35 – 38 cm/ 26″ – 27,5″

160 – 165 cm 38 – 40 cm/ 26″ – 27,5″

165 – 170 cm 40 – 43 cm/ 26″ – 27,5″

170 – 175 cm 42 – 45 cm/ 26″ – 27,5″ – 29″

175 – 180 cm 44 – 47 cm/ 26″ – 27,5″ – 29″

180 – 185 cm 46 – 49 cm/ 26″ – 27,5″ – 29″

185 – 190 cm 49 – 52 cm/ 27,5″ – 29″

ab 190 cm – ab 52 cm/ 29″

If you prefer off the road, onForest paths or moderate single trailsIf you want to ride without major obstacles or bumps, then you are well advised to go with a mountain bike. In the MTB sector there are two types: the hardtail and the fully MTB. The hardtail MTB is perfect for beginners, is light and perfect for day tours. It has no rear suspension, but is well equipped with a spring-loaded front edge. This means you are choosing the most original shape of the bike.

THE fully MTBs are mainly suitable for off-road trails and especially if you ride downhill. They have full suspension and give more comfort when driving over larger obstacles. You also benefit from better driving dynamics thanks to longer ground contact of the rear wheel. Compared to the hardtail, the fully MTB requires more maintenance and is more expensive.

Road bike

Body size: Frame size:

155 – 160 cm 47 – 49 cm

160 – 165 cm 49 – 51 cm

165 – 170 cm 51 – 53 cm

170 – 175 cm 53 – 55 cm

175 – 180 cm 55 – 57 cm

180 – 185 cm 57 – 60 cm

185- 190 cm 60 – 62 cm

190 – 195 cm 62 – 64 cm

Everything on this type of bike is designed for speed. If you enjoy traveling with your bike and prefer to cover long distances, then a racing bike is the right choice for you. It almost serves as a sports equipment for road cycling races and cycling marathons. However, a racing bike is only suitable for asphalt and not at all for off-road use.

City bike and e-bike

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Body size: Frame size:

150 – 160 cm 42 – 48 cm

160 – 170 cm 48 – 52 cm

170 – 175 cm 52 – 55 cm

175 – 180 cm 55 – 58 cm

180 – 185 cm 58 – 61 cm

185- 190 cm 61 – 63 cm

190 – 195 cm 63 – 66 cm

ab 195 cm ab 66 cm

City bikes and e-bikes are for everyone who is looking for a comfortable bike. Everything is geared towards comfortable progress in the city and on paved cycle paths. Here you get a comfortable sitting position and a reliable, robust construction.

youth bike

Body size: Frame size/in inches:

145 – 155 cm 33 – 35 cm/ 13″ – 14″

155 – 165 cm 35 – 38 cm/ 14″ – 15″

165 – 170 cm 38 – 41 cm/ 15″ – 16″

170 – 175 cm 41 – 43 cm/ 16″ – 17″

175 – 180 cm 43 – 46 cm/ 17″ – 18″

180 – 185 cm 46 – 48 cm/ 18″ – 19″

185 – 190 cm 48 – 53 cm/ 19″ – 21″

Youth bikes lie exactly between adult and children's bikes and should ideally “grow” with the child for as long as possible. They are suitable for children from 140 cm tall and the wheel size is particularly important because the height of the handlebars and saddle can be easily adjusted. However, a test drive before purchase is crucial.

Children's bike

Height: Age: Wheel size:

95 – 105 cm 2 – 3 years 12″

100 – 115 cm 3 – 4 years 12″ – 16″

100 – 120 cm 4- 5 years 16″ – 18″

115 – 125 cm 5 – 6 years 18″

120 – 135 cm 6 – 8 years 20″

130 – 150 cm 8 – 11 years 24″

With a children's bike, a child gets used to their first riding experiences and prepares themselves for proper cycling. That's why functionality, reliability and safety are very important. Equally important, however, is the look, which should appeal to the child and awaken the desire for cycling, which increases with each year of life.

A bike must first and foremost feel good

A bike must first and foremost appeal to you and suit you. It is only right for you if you can drive it comfortably and comfortably for long periods of time. You are usually wrong if you think that wheel size is the most important factor. In reality, it has little impact on the ergonomics of the bike. The use of the bicycle is very important: Are you looking for a bike for the city, for long distances or more for off-road riding? Because there is a suitable type of bike for every purpose – from racing bikes to mountain bikes to trekking bikes, etc.

What else is there to consider?

In addition to the right bike frame size, the second important ergonomic factor is the handlebars. There are different grip positions that can help prevent any signs of fatigue. The perfect handlebar width for all handlebars is shoulder width. In addition, the curvature can also vary. A test drive is always recommended.