Frequently Asked Questions

Do you have a question? Maybe it's already answered. Check out our FAQs.

You can explore, test and buy Crussis electric bikes at sales locations across the country. Experienced dealers will give you professional advice with choosing the right model or size of electric bike and at the same time they will provide warranty and after-warranty service.
Unfortunately, we cannot give you a straightforward answer to this. The actual range of an e-bike depends on many factors such as the battery capacity, the motor used, the route profile, the degree of assistance used, the weight of the rider and his load, the rider's condition, the style and smoothness of the ride, the inflation of the tyres and the weather conditions. 
Choosing the right bike size is not as easy. We have prepared a general table for you. The recommended size chart, but it cannot be relied on 100%. Each of us has a different body shape, for example, the length of our legs, the length of our arms, our health or our habits (how big a bike we have ridden so far). That's why it's best to get advice from a dealer who has plenty of experience. At the same time, you can ride your chosen e-bike and test whether it really fits you and feels comfortable.
Because we are perfectionists and we want to be absolutely sure that you will receive your dream e-bike in perfect condition. Before you get on it for the first time, you need to have it professionally assembled and adjusted, and the battery prepared. Of course, we can do that too, but on the way from us to you it could get damaged. And we don't want that. By buying an e-bike at the shop, you also get the opportunity to have the e-bike serviced close to where you live. You can also contact your dealer for after-sales service.
Unfortunately, we do not offer these changes, we only produce electric bikes in the given specifications. Please ask your dealer for any changes to the components.
Please find out about buying spare batteries at one of the sales points.
Yes, despite many myths, you can't do without pedalling :). The electric motor only helps you when you pedal, which is controlled by a pedal sensor. Thanks to the motor assistance, you can set a suitable pace without getting out of breath, tired or sweaty even when riding up hills. In addition, riding an e-bike does not strain your joints as much as running. An e-bike can also help you get back to your favourite hobby or improve your physical fitness, in case you suffer from any mobility limitations. Just gradually reduce the level of assistance and add the load.
Mechanical spare parts (chain, derailleur, etc.) can be purchased at any bike shop. Electronic spare parts (batteries, control units, etc.) can be purchased at any of our dealers.

You can ride an e-bike in all weather conditions. All electrical components are insulated, so you have nothing to worry about in this respect. However, you should avoid crossing fords and deep puddles. In this case, you could risk electrical short circuits and damage to the bike.

You should also protect your e-bikes from higher water pressure. It is not advisable to wash the e-bike with high-pressure water cleaners, or for example when transporting it on a car rack in heavy rain, when the high speeds cause higher water pressure.

You can ride your e-bike even in cold weather or snow. However, you should take into account that in cold weather the battery drains faster and the riding distance can be up to a third shorter than in other parts of the year.

Yes. If you have a low battery, you can continue riding your e-bike as if it were a regular bicycle. You just won't be able to turn on the assist. However, it is not advisable to run the battery below 20% capacity.

Battery charging time is dependent on the battery capacity, the remaining energy in the battery and the charger used. For CRUSSIS electric bikes we use 2 Ah chargers, which are gentle on the battery and do not shorten its life (unlike fast chargers). In practice, this means that the charger will charge a 14 Ah battery fully in approximately 7 hours.

If you are parked, for example, in a car park without an electrical socket, you can conveniently remove the battery and charge it separately.

But how long the battery will actually last depends on its proper storage and charging. In order to save money on buying a new battery early, you should follow a few simple rules. If you don't use your e-bike for a long time, the battery will naturally drain itself, but this is perfectly normal. It is recommended to recharge the battery even when the bike is not in use about once a month and to store it at room temperature (around 20°C) charged to 50 - 80% capacity. If the battery is left to run down completely, it may cause a permanent damage. Damage to the battery can result in a shorter range or, in the worst case, complete battery failure.
The weight of the electric bike is mainly dependent on the electric motor (approx. 3 - 4 kg) and the battery (approx. 2.5 - 3 kg). Adding these values to the weight of your existing bicycle will give you an approximate weight of the e-bike. This is around 20 - 25 kg.
You can replace the inner tube of a mid-drive e-bike in the same way as a conventional bicycle. In the case of a rear hub drive, the replacement is a bit more complicated. This is because there is no quick-release lever on this type and you need to have tools with you. We recommend that you try the tube replacement procedure at home first.
The correct tyre pressure is influenced by the rider's weight, the terrain, riding style and tyre size. Recommended pressure information can be found directly on the side of the tire.
The energy recovery during regenerative braking or downhill driving is mainly used by cars or heavy e-scooters. Even with a rider, an e-bike is light and the hills in the Czech Republic are too short for the effect of the recovered energy to be significant, so it does not have a regeneration system.
In order to be legally regarded as a regular bicycle (you could take it to cycle paths, into the woods, etc.), it must meet the European standard EN 15194-1. In practice, this means that the motor power must not exceed 250W and the maximum assist speed is limited to 25 km/h. Once this speed is exceeded, the electric motor stops assisting and you continue driving under your own power, but this can be even faster. It depends only on your strength.
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