The size of a bike should be proportional to the rider’s height. Whether it’s a child’s bike, a woman’s bike or a man’s bike, each machine must be carefully designed to suit its owner. How to choose the right size for your electric bike? Lepape advises you.
Before buying the bike of your dreams, you need to calculate 2 fundamental physical criteria: height and inseam height. While everyone is generally familiar with the first parameter, the same cannot be said for the second (foot/perineum distance), which is of prime importance.
Je découvre les vélos électriquesTo calculate it, lean barefoot against a wall and mark the highest point of the adductor muscle with a hard book. Then calculate the distance from ground to point and you’ll get the precious cm value that will dictate all your cycle purchases.
From a geometric point of view, the electric-assist bike differs from a traditional mountain bike or road bike. The addition of the motor and the integration of the battery is not without consequences for the shape of the frame.
However, most EAB manufacturers keep measurements as simple as possible, generally limiting the number of sizes available to the following 4: S – M – L – XL. These correspond to very different gauges ranging from 1.50m to 2.00m. What’s more, some models, like Moustache’s Lundi 26, come in one size only, to make your choice as easy as possible.
Découvrir(for information only, please refer to the manufacturer’s size guide)
For an urban electric bike: inseam length x 0.65 = frame size (cm)
| Your size | VAE sizes |
|---|---|
| 150 to 160 cm | 46 cm – XS |
| 160 to 170 cm | 50 cm – S |
| 170 to 180 cm | 54 cm – M |
| 180 to 190 cm | 58 cm – L |
| 190 to 200 cm | 60 cm – XL |
Beyond size, the crucial point to consider for an electrically-assisted bike (excluding motorization) is the type of frame. Open, sloping, trapezoidal or straight, the multitude of available geometries offers advantages and behaviour adapted to all constraints.
For frequent straddling during urban travel, open or wave frames are preferred. Straight frames are sportier and more responsive, but lose comfort thanks to a more aggressive chest position. A sloping frame provides the ideal compromise between aerodynamics and comfort. The choice is yours!
Je découvre les vélos électriquesYou may find yourself between two frame sizes. A slightly smaller frame gives you more sportiness and responsiveness, while a larger frame guarantees greater stability and easier clearance. In case of doubt, we advise you to choose the second option to maintain the bike’s desired properties. You can then adjust the components if they are not in the optimum position.
In any case, save precious time by carrying out a postural study! By accurately determining the dimensions of the perfect bike for your body size (frame size, stem length, crank length, handlebar width, etc.), this in-store measurement will help you avoid errors and approximations when choosing the right bike size!
Découvrir
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La taille d’un vélo de course est déterminé via deux éléments clés : la longueur du tube horizontal et celle du tube de selle (axe de pédalier – sommet du tube). Ces deux dimensions exprimées en cm valident la taille de cadre d’un vélo.
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