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Facteurs à prendre en compte lors du choix d'une roue de vélo

2021-08-17 Blogue

Factors to consider when choosing a bicycle wheel Bicycle wheel is a very important part of the bicycle system, and its weight, rigidity, drag coefficient and other factors have a great influence on the performance of the bicycle. So what factors need to be considered when choosing a bicycle wheel? 1 weight A: The pure wheel weight is only a static pointer reference, which is of reference value for climbing. Generally better front hub weighs about 80-110gm, rear hub 200-270gm, each steel wire is about 9-12gm, the rim changes a lot, pure carbon fiber is about 210-300gm (narrow frame) 280-420gm…

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Battery Charge and discharge of electric bike

2021-08-17 Blogue

Battery Charge and discharge of electric bike 1. The principle of battery charging and discharging The principle of charging and discharging electric bicycle batteries is actually very simple: 1. The process of charging the battery of an electric bicycle: by inputting electrical energy, the lead in the battery fluid is reduced to metallic lead to store electrical energy. 2. The discharge process of the electric bicycle battery: the chemical reaction between metallic lead and electrolyte becomes ionic lead while releasing electric energy. 2. Precautions for charging electric bicycles 1. Never plug the battery of an electric bicycle into the…

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Magnetic helmet: a new choice for myopic riders

2021-08-17 Blogue

Magnetic helmet: a new choice for myopic riders For myopic riders, choosing riding glasses has always been a big problem. Many riders have asked privately how to choose glasses for myopia, and many riders don't know about the cycling glasses that can be equipped with myopia. Often people ask whether they can directly overlap the existing glasses for myopia and use them. Product name Bicycle Helmet Color Several colors Size L57-62cm Function Head Protection Best use Riding Protective Item JY0025 Age group Adults Men Women Weight 190g Packing PE Bag Product Keywords bicycle hat helmet,best selling bicycle helmets,batman bicycle helmet…

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Causes of jumping teeth on electric mountain bikes

2021-08-17 Blogue

Causes of jumping teeth on electric mountain bikes When you are riding, have you noticed that the bike chain has clicked and clicked on the gear shift several times? It turns out that the bike chain has skipped teeth. At first, you will think that the chain has exceeded its service life, but in fact the chain has been stretched and caused the skipped teeth. , If the chain has not been maintained in the past, and occasionally a little oil is applied, the sound of the chain will appear. En fait, electric bicycles need regular maintenance and maintenance, especially the wearable transmission part,…

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VTTAE: à quoi s'attendre dans les trois prochaines années

2021-08-17 Nouvelles

VTTAE: what to expect in next three years The current trend of eMTBs is emerging, exciting, and encouraging for many users. Presently, almost all brands are looking and working leaps and bounds to integrate the electric bike system, so the chances are that eMTBs might look similar to conventional MTBs. But one thing is guaranteed. We will definitely witness major developments in the eMTB system and from all manufacturers and suppliers. Things will not remain like they are at present, and all eBike riders can expect major developments and changes in the eMTBs. The things that are already changing and…

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Bike wheels: What you need to know

2021-08-17 Blogue

Bike wheels: What you need to know The bike wheel is the part that connects the wheel and the frame. The power transmission and turning control of the bike must be transmitted to the tires through the wheel set. It is a very important part of the bike system.Its weight, rigidity, wind resistance and other factors have an impact on the performance of the bike. Broadly speaking, the wheel set includes four parts: the rim, the spoke, the hub and the quick release skewer. Some wheel sets include inner and outer tires, it is generally sold as a pair. In terms of…

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Electric bicycle shifting system

2021-08-16 Blogue

Electric bicycle shifting system What is a transmission system? To understand the electric bike transmission, you must first understand the principle of the transmission system. The position where your feet are stepped on is called the crank, which drives the rotation of the large chainring, and transmits power through the chain to the flywheel, which is the chainring of the rear wheel, and then allows the electric bicycle to move forward. The transmission system includes a flywheel, a large plate, a front and rear transmission, a chain, and left and right integrated brake levers. The appearance of the transmission drives…

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Long-distance riding|Pay attention to these issues

2021-08-16 Blogue

Long-distance riding|Pay attention to these issues . Outdoor riding, you will encounter various weather conditions, especially for long-distance cycling trips, it is easier to encounter various weather and road conditions. weather: Sun exposure can be said to be the most consuming weather, and this situation is also the most common. Long-distance riding under the scorching sun makes people sweat a lot, lose water, and also increase body temperature. If you continue to ride for a long distance under the scorching sun, your body temperature will be too high, which will cause heat exhaustion, dizziness, and severe heat stroke. Strong ultraviolet…

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