List of pages in Bike workshop and news:

  • How to choose a bike stem?

    Function of a bike stem:

    A bike stem is a peripheral component that provides the mechanical interface between the fork tube and the bike handlebar. It can be used for headset adjustment (headset standard).

    The bike stem is a key item in its steering and handling, responsiveness and handling.

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  • Bicycle cassette selection

    What is the function of a cassette on a bicycle?

    A cassette consists of several sprockets which are fixed on a freewheel, they are driven by a chain. The cassette is one of the items used to vary the gear ratio or reduction ratio of the drivetrain so that the speed of rotation of the rear wheel varies. Lower the number of teeth of the sprocket driven by the chain, greater the speed of rotation of the wheel will be. The number of gears on a bicycle is given by the number of sprockets on the cassette multiplied by the number of chainrings.Generally a cassette is made up of 5 to 12 speeds.

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  • Bicycle tire pressure

    Why the pressure of a bike tire is so important?

    Tire pressure influences the grip and braking of your bike, as well as comfort of the cyclist. The pressure value therefore has an impact on your safety, your performance and the pleasure you will have in using your bicycle.

    The smaller is the width of a tire, the greater its pressure value in order to avoid impacts on the rim and punctures without pinching (air chamber which is positioned between the tire and the rim, for example the pressure value for a road bike will be generally between 6 and 8 bars, while the pressure value for a MTB tire will be from 2 to 3.5 bars.

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  • Correspondence table bike tire size

    Correspondence table between bike tire size and rim width:

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  • Bike gear ratio calculation and gear ratio chart

    Bike gear ratio calculation method

    The bike gear ratio is the number of the chainring teeth number divided by the sprocket teeth number for one turn of crank that will generate a distance.

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  • UCI world championship 2020

    The UCI road world championships have taken place from 24 to 27 september 2020 in Imola from Italy. The MTB UCI world championnships were organized at Leogang in Austria from 5 to 11 october 2020.

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