kBox Advanced System
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The kBox Advanced System is our most popular Flywheel Training System, offering greater exercise variety, expanded accessories and increased training versatility. Designed for athletes, coaches, clinics and performance facilities seeking the ideal balance between capability, progression and value.
Description
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What is Flywheel Training?
Unlike traditional weights, Flywheel Training uses inertia to create resistance. The harder you pull or push, the more resistance the flywheel generates, automatically adapting every repetition to your effort. This allows you to train the lifting (concentric) phase with maximal intent while accessibly and safely emphasizing the lowering (eccentric) phase, helping you build strength, power and muscle more efficiently.
Learn more about How Flywheel Training Works >
About the kBox Advanced System
The kBox Advanced System builds on the Core package by adding more accessories and training possibilities, making it the preferred choice for coaches, athletes and facilities that demand greater exercise variety and progression. With an expanded bundle of dedicated accessories such as the foot block, the Advanced System is further optimized towards sport-specific training outcomes such as lateral movement for hockey, soccer, basketball, and more. With expanded movement options and full compatibility with the Exxentric App and kMeter, the Advanced System delivers everything most users need for long-term performance development.
Best for
- Performance athletes
- Strength coaches
- Sports clubs
- Commercial gyms
- Rehabilitation professionals
Key Benefits
- Our most popular Flywheel Training System
- Greater exercise variety
- Increased progression opportunities
- Adaptive resistance and eccentric overload
- Full kMeter compatibility
Why Choose a kBox?
The kBox is a platform-based Flywheel Training device designed for lower body and full body strength training. The platform design supports everything from squats and deadlifts to lunges, rows, presses and rotational movements, making it suitable for strength development, rehabilitation and athletic performance.
Whether you're training at home, coaching athletes or equipping a professional facility, the kBox provides a compact solution capable of replacing multiple traditional strength training exercises while delivering the unique benefits of eccentric overload.
 kBox Active |
Best ForHobby Athletes,Home Training |
 Up to 4 L flywheels with Advanced Flywheel Knob |
 Training surface area |
 35 lbs |
 Steel chassis |
 kMeter Optional |
kBox Lite |
Best ForPortablePro-level Training |
 Up to 6 L flywheels with Advanced Flywheel Knob |
|
Training surface area |
 22 lbs |
 Aluminum chassis |
 Performance Tracking via kMeter |
 kBox Pro |
Best ForElite Training& Facility Usage |
|
Up to 6 XL flywheels with Advanced Flywheel Knob |
 60% bigger surface area |
 34 lbs |
 Aluminum chassis |
|
Performance Tracking via kMeter |
 Custom Design |
Specifications
| SKU | KB5AS |
|---|
kBox Platform
| Manual | |
|---|---|
| Custom design limit | Up to 1 hour of work is included in the price |
| Top surface | 73 x 43.5 cm or 29 x 17" (kBox Lite or Active), 90 x 55 cm or 35 x 22" (kBox Pro) |
| Foot print | 81 x 51 cm or 32 x 20" (kBox Lite or Active), 98 x 63 cm or 39 x 25" (kBox Pro) |
| Height | 21 cm or 8.3" (kBox Lite or Active), 23 cm or 9.1" (kBox Pro) |
| Weight | 10 kg or 22 lbs (kBox Lite), 15.5 kg or 34 lbs (kBox Pro), 16 kg or 35 lbs (kBox Active) |
| Inertia range (standard) | 0.005 kgm² – 0.200 kgm² (kBox Lite), 0.005 kgm² – 0.280 kgm² (kBox Pro) |
| Range of motion | 180 cm (71") |
| Feedback | kMeter feedback system built-in to kBox Pro & kBox Lite or available as an add-on to the kBox Active |
| Compatible flywheels | L – 0.050 kgm² · Fits all devices, M – 0.025 kgm² · Fits all devices, S – 0.010 kgm² · Fits all devices, XL – 0.070 kgm² · excl. kBox Lite/Active, XS – 0.005 kgm² · Fits all devices |
Angle Adjuster
| Compatibility | kBox |
|---|---|
| Exercises | Rows, swings and etc |
| SKU | O-0004 |
Flywheel
| Flywheel sizes/inertia | XS – 0.005 kgm², S – 0.010 kgm², M – 0.025 kgm², L – 0.050 kgm², XL – 0.070 kgm² |
|---|---|
| Compatibility | kBox Pro, kBox Lite (excl. XL), kBox Active (excl. XL), kPulley Pro, kPulley Go, LegExx, LegFlexx |
| Color | Standard, Color Coded |
Hip Belt
| Inner circumference | 82 to 130 cm/32.3 to 51.2 inches (Medium-Large), 60 to 90 cm/23.6 to 35.4 inches (Small-Medium) |
|---|---|
| Weight | 210 g – 280 g |
| Compatibility | kBox, kPulley |
| Exercises | Squats, lateral squats, lunges, split squats, calf press |
Harness
| Weight | 950 g – 1350 g per harness |
|---|---|
| Exercises | Squats, lateral squats, split squats, lunges, calf press |
| Compatibility | kBox (recommended), kPulley |
kGrips
| Weight | 90 g each (Original), 122 g each (A90) |
|---|---|
| Exercises | Pulls, rows, rotations, deadlifts, curls |
| Compatibility | kBox, kPulley |
kBar
| Length | 58 cm (original), 75.5 cm (knurled) |
|---|---|
| Weight | 0.6 kg (original), 3.2 kg (knurled) |
| Material | Aluminium (original), stainless steel (knurled) |
| Load limit | 200 kg/440 lbs/1960 N (original), 400 kg/880 lbs/3920 N (knurled) |
| Exercises | Straight-arm lifts, deadlifts, high pulls, rows, biceps curls, squat & lunge variations, shoulder press exercises and more |
| Compatibility | kBox, kPulley |
Ankle Cuffs
| Size | Adjustable |
|---|---|
| Weight | 150 g each |
| Exercises | Knee pulls, hamstring curls, leg extensions, hip adduction, hip abduction |
| Compatibility | kBox, kPulley |
| SKU | 19053 |
Foot Block
| Length | Pro + Standard – 54.5 cm (21.5"), Lite / Active + Standard – 44.5 cm (17.5"), Lite / Active + Platform Extension – 51 cm (20.1") |
|---|---|
| Width | 10 cm (4") |
| Height | 5 cm (2") |
| Weight | Pro + Standard – 1.8 kg (4 lbs), Lite / Active + Standard – 1.6 kg (3.5 lbs), Lite / Active + Platform Extension – 1.9 kg (4.2 lbs) |
| Color | Storm Gray |
| Exercises | Squat variations, calf press |
Decline Board
| Length | 48 cm |
|---|---|
| Width | 44.5 cm |
| Height | 13.5 cm |
| Weight | 6.5 kg |
| Exercises | Decline squats, calf press |
| Compatibility | kBox4 Pro, kBox4 Lite / Active |
| SKU | 19011 |
Extension Strap
| Adjustable length | up to 50 cm |
|---|---|
| Weight | 71 g |
| SKU | 19004 |
Accessory Rack
| Type | Freestanding, Wall Mounted, Flywheel Stand |
|---|---|
| Material | Steel |
| Height | 99 cm (Freestanding), 16 cm (Wall Mounted), 33 cm (Flywheel Stand) |
| Width | 68 cm (Freestanding), 97.5 cm (Wall Mounted), 27 (Flywheel Stand) |
| Depth | 47 cm (Freestanding), 5 cm (Wall Mounted), 19 cm (Flywheel Stand) |
| Weight | 19 kg (Freestanding), 4 kg (Wall Mounted), 4kg (Flywheel Stand) |
| Flywheel capacity | 10 (Freestanding), 4 (Wall Mounted), 10 (Flywheel Stand) |
