Chris Miller

Australia & New Zealand’s Official Exxentric Flywheel Training Partner

PRIMALTHENICS & EXXENTRIC:

The Future of Strength, Speed, and Longevity.

Welcome to the official home of Exxentric Flywheel Training in Australia & New Zealand.

We bridge the gap between cutting-edge biomechanics and real-world physical performance. Whether you are an elite sporting club, a rehabilitation clinic, or a dedicated home trainer, we provide the official equipment, certified education, and expert coaching you need to unlock the power of eccentric overload with Exxentric Flywheels.

Why Exxentric? Why PrimalThenics?

Exxentric’s variable-resistance flywheel technology auto-adjusts to your exact strength curve on every single repetition. You get perfectly loaded resistance, maximum muscle engagement, and safer eccentric overload.

As the official distribution and education partner for ANZ, PrimalThenics doesn’t just ship boxes. Led by Chris Miller—one of only a handful of certified Exxentric Master Level Trainers globally.

We help you find the right package for your needs, and ensure you understand the deep science, safety, and real-world application of your investment.

THREE WAYS WE SERVE YOU

Official Equipment Sales

Official Education & Licensing

Elite Coaching & Implementation

Official Equipment Sales

Get direct access to genuine Exxentric systems, backed by local warranties, support, and expert guidance on picking the right setup for your space.

The kBox: Our flagship, best-selling platform engineered for full-body strength, deceleration training, and over 70 adaptive exercises.

The kPulley: Unlimited horizontal freedom. Push, pull, twist, and replicate sport-specific movements with data-driven accuracy.

The SingleExx: Pure isolation reimagined. Elite leg-day performance (LegExx & LegFlexx) built for surgical rehabilitation and maximum power output.

Official Education & Licensing

We are the region’s only authorized provider of official Exxentric Flywheel certifications. Stop guessing your programming and start mastering the science of fluid resistance.

Level 1 & Certification: Master flywheel theory, equipment safety, maintenance, and foundational real-world programming.

Private Facility Workshops: We bring the masterclass to your team, updating your gym, clinic, or sporting club with elite operational workflows.

Elite Coaching & Implementation

Buying the gear is step one; knowing how to integrate it into a busy lifestyle, athletic squad, or clinical rehab pipeline is where we thrive. Benefit from over 27 years of elite-level athletic coaching to fast-track your results.

About Exxentric

Welcome to the home of Exxentric in Australia. Exxentric are pioneers of flywheel-based strength training. Exxentric’s equipment leverages variable resistance flywheel technology, enabling every rep to adapt perfectly to the user’s strength curve. This ensures safer, more effective eccentric overload and acceleration-based training, whether you're an elite athlete, rehabilitation client, or home trainer—even without heavy weights. With proven benefits across sports performance, injury prevention, and general fitness, Exxentric empowers you to build strength, agility, and resilience anywhere in the world.

Unlimited Resistance

Flywheel training enables you to train as light or heavy as you want by auto-adjusting to all levels of strength, whether you are a beginner or a seasoned athlete.

True Freedom of Movement

Exxentric devices offer more than 70+ different exercises. Strengthen new ranges of motion and train your entire body with only one piece of equipment.

Perfect Resistance, Every Rep

Through variable resistance, eccentric creates perfectly loaded reps without sticking points, allowing you to gain strength faster and safer than traditional methods.

Train Anywhere

The kBox and kPulley Go are portable enough to bring with you wherever you go. Turn the world into your gym and never miss a session again.

Level Up Every Rep with Flywheel Resistance

Train with the same flywheel technology trusted by champions to build strength, power, and resilience faster than ever.

The kBox

Exxentric’s flagship and best‑selling system, built for full‑body training with over 70 exercises supported.
Features variable resistance that auto‑adjusts with each rep, emphasizing eccentric overload and data‑driven tracking via the kMeter app

The kPulley

Offers horizontal movement freedom—push, pull, twist—for sport‑specific actions and variety in workouts.
Compatible with kMeter, and includes portable versions like the rack‑mountable kPulley Go

The SingleExx

Focuses on single‑exercise leg machines such as LegExx (quads) and LegFlexx (hamstrings).
Delivers variable resistance, eccentric overload, adjustable range of motion, compact design, and data tracking through kMeter

Elevate Your Training with Exxentric

Coaches & Personal Trainers: Diversify your toolkit, elevate your commercial credibility, and protect your clients' joints while driving serious athletic outcomes.

Physiotherapists & Rehab Clinics: Maximize neuromuscular re-education and safe, high-load rehabilitation without exposing injured patients to dangerous sticking points.

Athletes & Sporting Teams: Develop unmatched braking force, change-of-direction speed, and explosive power while bulletproofing against injuries.

Home Fitness Enthusiasts: Get an entire commercial-grade gym's worth of variable resistance packed into a sleek, portable footprint.

Unlock the Power
of Flywheel
Strength Training

Train Smart. Move Strong. Get Certified.

With over 27 years of international coaching experience spanning Olympic athletes, professional sports teams, and clinical rehabilitation, Chris is uniquely qualified to anchor Exxentric in Australia. Having personally overcome multiple joint reconstructions and complex neurological injuries, Chris doesn't just teach flywheel training from a manual—he understands its critical role in human longevity, resilience, and true physical freedom.