How to Choose a Bike Trainer for Home Training

A home bike trainer lets you hop on your bike and ride a planned workout regardless of the weather. It also comes in handy on days when you don”t have time for a longer ride, want to ride intervals precisely, or need to measure your power under controlled conditions. But how do you choose a bike trainer when, alongside simple rear-wheel models, there are smart direct drive trainers, rollers and dozens of different variants? We”ll explain the basic differences and help you choose a trainer based on how and on what you want to ride.

How to choose a bike trainer? Start with how you want to train

The best bike trainer is not automatically the most expensive model on offer. What matters is what you expect from home training.

Rear-wheel bike trainer

A classic rear-wheel bike trainer is one of the simplest ways to get started. The bike stays complete and the rear tyre rests against the resistance unit. Its advantages are usually a lower price, easy storage and relatively quick setup of the bike. Keep in mind, however, that the tyre is put under more strain during training and its contact with the roller also creates more noise, so it is worth buying a dedicated trainer tyre.

Direct Drive bike trainer

With direct drive, you remove the rear wheel and attach the frame directly to the trainer. The chain then drives a cassette mounted on the device. This design has several practical advantages:

• you don”t wear out the rear tyre;
• the ride is usually smoother;
• it usually produces less noise than a system with the tyre on a roller;
• it is better suited to regular, well-planned training;
• smart models can measure power and adjust resistance automatically.

This is the category where you will find many popular Tacx bike trainers and Elite.

Smart or classic trainer?

With a classic trainer you set the resistance yourself, which may be perfectly sufficient for basic home riding. A smart bike trainer, however, can communicate with a training app. The app can change the resistance according to the gradient on a virtual route or the current workout interval. At the same time you can track power, speed and cadence and, depending on the specific setup, other data as well. This is especially useful if you want to measure your training over the long term and compare your progress.

Which features should you look at when choosing a bike trainer?

Trainers can differ significantly in ease of use, noise level, stability and compatibility with your bike.

• Noise level: If you will be training in an apartment or early in the morning or late in the evening, noise level is one of the important features. With rear-wheel trainers, part of the noise comes from the tyre contacting the roller, while Direct Drive trainers are generally quieter.
• Stability: During intense intervals or out-of-the-saddle riding, far more force is transferred to the trainer than during relaxed pedalling. A sturdy construction and a sufficiently wide base are therefore important.
• How the bike attaches: Before buying, always check how your bike attaches to the trainer. The deciding factor can be a quick release or thru-axle, the width of the rear triangle, the wheel size and, with Direct Drive, also the compatibility of the cassette and freehub body. For example, if you have an 11-speed road bike, the number of sprockets on the trainer”s cassette should match.
• Maximum resistance: If you want to train intensely or simulate steeper climbs, also look at the maximum resistance the trainer can generate. For a recreational rider, extremely high values may offer no advantage, whereas a performance cyclist can use them for intervals or sprints.
• Climb simulation: With smart trainers you may come across a figure for how steep a gradient the device can virtually simulate.
• Connectivity and compatible apps: If you want to use smart features, check support for Bluetooth, ANT+ and the specific apps you plan to use. Also check whether you can connect the trainer to a bike computer, watch or heart rate sensor.
• Flywheel and ride feel: With some bike trainers you will also find the flywheel weight listed. It helps keep the rotation smooth and affects how naturally the trainer responds as you pedal. In general, a heavier flywheel can contribute to a smoother ride feel. If you are comparing two similarly equipped smart trainers, look not only at maximum power and measurement accuracy, but also at the ride feel when starting off, changing resistance and simulating climbs.
• Foldability and handling: If you don”t have a dedicated room for the trainer, you will appreciate folding legs or a design that is easy to carry.

What about cycling rollers?

If you are not primarily after climb simulation or precisely controlled intervals, bike rollers are an interesting alternative. Unlike a fixed bike trainer, the whole bike can move slightly on them, so you have to actively keep your balance and control your direction. This makes rollers suitable, for example, for practising pedalling technique, coordination, stability and strengthening your core.

Choose a bike trainer to suit you, not just the price

For basic fitness maintenance in bad weather, a simpler rear-wheel bike trainer can serve well. But if you want to regularly track power, ride structured workouts or virtual races, it pays to look for a smart model. For regular sports training, direct drive makes more sense. Cyclists who, besides fitness, mainly want to work on balance and technique can reach for cycling rollers.

Most frequently asked questions when choosing a bike trainer

Is a bike trainer noisy?

Yes, some sound is always produced – from the drivetrain, cassette, chain and the trainer itself – but the noise level varies considerably. It is loudest with models where the rear tyre turns against a roller. A coarse tyre tread can increase the noise further. Direct Drive is usually quieter. You can reduce noise, and especially vibrations transmitted to the floor, with a suitable mat.

What is the best bike trainer?

When choosing a bike trainer, most cyclists end up choosing between two giants.

• Elite bike trainer: Elite bike trainers (e.g. the popular Justo 2, Direto XR-T or the compact Suito-T) stand out for their power measurement accuracy thanks to an integrated optical sensor. They also often score highly for their compact folding; the Suito-T mentioned has folding legs and even fits under a bed.
• Tacx bike trainer: A Tacx bike trainer, by contrast, goes for maximum riding enjoyment. While the mid-range, such as the Tacx Flux 2 or Flux S, relies on a classic flywheel, the premium NEO 2T and NEO 3M models use a motor made of neodymium magnets. These revolutionary Tacx trainers can turn the cassette by themselves on a descent in the virtual world (so-called downhill simulation) and can even imitate riding on gravel or cobblestones with targeted vibrations.

Which bike trainer for a mountain bike?

Both basic types can be used for a mountain bike. With a rear-wheel trainer, however, a coarse MTB tyre can be noisy, so a suitable trainer tyre is a good idea. With modern mountain bikes you also need to check how the bike attaches – if you use a thru-axle, you may need the appropriate adapter.