Cross Country Skiing

Flywheel Training Cross Country skiing

A low impact, joint friendly, full body workout and one of the hardest cardiovascular exercises possible, cross country skiing is one of the most popular sports in Nordic countries. It is incredibly demanding and has one of the highest rates of calorie expenditure, using a large number of muscles during training and competition. Flywheel training with the kBox and kPulley can offer a whole-body training option that can meet the strength and cardiovascular demands of this sport 


With standard events being anywhere between 5-90 km, cross country skiers require more endurance than their downhill counterparts. Strength training with the kBox can improve the output in endurance athletes and by using eccentric overload they can increase the efficiency of their strength training.

Increased strength can improve movement economy and efficiency in endurance sports, which is well known from running and cycling. With more strength athletes can use a lower percentage of their maximum strength while still producing the same amount of work. For shorter distance like short biathlons or even sprints the increased strength and power is also crucial. 

High cardiovascular output has historically been very important in cross country skiing but during the last two decades the importance of strength in both the legs, core and upper body has increased dramatically due to new techniques in both classic and skating style.

The kBox not only targets the quadricep muscles, allowing full depth squats but also tricep extensions, glute and hamstring strengthening with RDLs and lat and tricep pull downs (on the kPulley) all of which are important for cross country skiing. The beauty of the kBox is that upper and lower body training as well as core strengthening can all be performed on  one device.

By performing unilateral movements such as lateral squats and single leg deadlifts skiers can help improve the balance that is imperative for navigating on narrow skis and gliding on a single leg at times.


Travelling athletes may not have access to adequate training facilities in mountain resorts. With the fully portable kBox, they can guarantee that they have decent and consistent training equipment wherever they go.

Eccentric training can help to prevent injuries such as tendinopathies as well as be part of rehabilitating such injuries if sustained.

Compared to other well-known skiing training devices, that have no eccentric load, the kBox is more efficient when it comes to strength gains.



Return to the performance page to read about other sports.


kBox4 Active

Our entry level model for the serious personal trainer or demanding home user. The perfect tool in strength and rehabilitation at our lowest price point.

  • Entry Level Model
  • Holds 1-2 Flywheels
  • kMeter Compatible
  • Weighs 15 kg
  • Starting at €1 410 / $1 635
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kBox4 Lite

Offers the lowest weight and best portability which makes it perfect for frequent travel without compromising the training.

  • Enhanced Portability
  • Holds 1-4 Flywheels
  • Built in kMeter
  • Weighs 9.5 kg
  • Starting at €2 300 / $2 665
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kBox4 Pro

Our premium kBox model with the greatest versatility and largest performance area. It’s ideal for sports teams, premium fitness clubs and physiotherapy facilities.

  • Largest Performance Area
  • Holds 1-4 Flywheels
  • Built in kMeter
  • Weighs 15.5 kg
  • Starting at €2 990 / $3 465
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The kPulley2 is the ideal horizontal solution for improving strength by offering flywheel training for rotational and pull exercises.

  • Horizontal Model
  • Holds 1-2 Flywheels
  • Built in kMeter
  • Easy to assemble
  • Starting at €1 890 / $2 190
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