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Product Dimensions
(W x D x H)
13" x 5" x 12" (326 mm x 119 mm x 304 mm)
Weight
60 lbs (27.2 kg)
Inertial Load Range
0.00625 kgm² - 0.8 kgm² (Maximum 8 Large Flywheels)
Materials
Stainless steel shaft, Nylon PA12 (Polyamide 12) high-performance thermoplastic outer shell, high tension nylon & dyneema rope
Rope Length
7.5 ft (2.3 m)
Product Dimensions
(W x D x H)
46" x 26" x 12" (1,168 mm x 660.5 mm x 304 mm)
Weight
76 lbs (34.5 kg)
Inertial Load Range
0.00625 kgm² - 0.8 kgm² (Maximum 8 Large Flywheels)
Materials
Stainless steel shaft, Nylon PA12 (Polyamide 12) high-performance thermoplastic outer shell, high tension nylon & dyneema rope
Rope Length
7.5 ft (2.3 m)
User-Defined Resistance
Provides constant 1:1 resistance (concentric:eccentric) throughout the entire range of motion.
Robust Design
Engineered for durability. Built to last with premium materials. Proudly made in the USA.
Portability
Take your training to the field, pitch, or court. The Ultimate comes with wheels and easily fits in the trunk.
Exerfly Sensor and App
Built-in Exerfly sensor connects with the Exerfly App for live performance metrics.
Exerfly Motorized Technology
Add 1-80% additional resistance to the eccentric phase of each rep — based on the concentric velocity.
User-Defined Resistance
Provides constant 1:1 resistance (concentric:eccentric) throughout the entire range of motion.
Robust Design
Engineered for durability. Built to last with premium materials. Proudly made in the USA.
Portability
Take your training to the field, pitch, or court. The Ultimate comes with wheels and easily fits in the trunk.
Exerfly Sensor and App
Built-in Exerfly sensor connects with the Exerfly App for live performance metrics.
Ultimate Package
See our full range of additional accessories. To customize your package, please contact us.
The Exerfly Ultimate is a versatile flywheel training platform. Ideal for lower-body loading and foundational movement patterns, the Ultimate delivers constant, 1:1 resistance (concentric:eccentric), through the entire range of motion. Compatible with multiple accessory options to support a range of key training applications.
Motorized Technology
Our Motorized Technology delivers up to 80% additional eccentric overload on every rep. This motorized boost can be added in as little as 1% increments, ensuring safe and precise user progression.
User-Defined Resistance
Unlike traditional weight stacks or capped motorized systems, Exerfly’s resistance is dictated by your concentric effort, not a limit. The flywheel’s inertia scales with your force output, offering theoretically unlimited load potential.

Product Dimensions
(W x D x H)
13" x 5" x 12" (326 mm x 119 mm x 304 mm)
Weight
60 lbs (27.2 kg)
Inertial Load Range
0.00625 kgm² - 0.8 kgm² (Maximum 8 Large Flywheels)
Materials
Stainless steel shaft, Nylon PA12 (Polyamide 12) high-performance thermoplastic outer shell, high tension nylon & dyneema rope
Rope Length
7.5 ft (2.3 m)
Product Dimensions
(W x D x H)
46" x 26" x 12" (1,168 mm x 660.5 mm x 304 mm)
Weight
76 lbs (34.5 kg)
Inertial Load Range
0.00625 kgm² - 0.8 kgm² (Maximum 8 Large Flywheels)
Materials
Stainless steel shaft, Nylon PA12 (Polyamide 12) high-performance thermoplastic outer shell, high tension nylon & dyneema rope
Rope Length
7.5 ft (2.3 m)
User-Defined Resistance
Provides constant 1:1 resistance (concentric:eccentric) throughout the entire range of motion.
Robust Design
Engineered for durability. Built to last with premium materials. Proudly made in the USA.
Portability
Take your training to the field, pitch, or court. The Ultimate comes with wheels and easily fits in the trunk.
Exerfly Sensor and App
Built-in Exerfly sensor connects with the Exerfly App for live performance metrics.
Exerfly Motorized Technology
Add 1-80% additional resistance to the eccentric phase of each rep — based on the concentric velocity.
User-Defined Resistance
Provides constant 1:1 resistance (concentric:eccentric) throughout the entire range of motion.
Robust Design
Engineered for durability. Built to last with premium materials. Proudly made in the USA.
Portability
Take your training to the field, pitch, or court. The Ultimate comes with wheels and easily fits in the trunk.
Exerfly Sensor and App
Built-in Exerfly sensor connects with the Exerfly App for live performance metrics.
Ultimate Package
See our full range of additional accessories. To customize your package, please contact us.
The Ultimate supports a wide range of exercises across multiple planes, including vertical, horizontal, and rotational movements.
The Ultimate features a spacious platform for proper foot placement and stability, ensuring optimal positioning for users of all heights.
Made with mobility in mind, the Ultimate boasts a compact yet robust design, enabling effortless relocation within various training settings
With Exerfly’s motorized technology, the Ultimate applies up to 80% more resistance during the eccentric phase in as little as 1% increments.
That means:





Explore our range of premium flywheel training equipment
Backed by more than 30 years of manufacturing excellence, Exerfly’s USA-crafted equipment combines precision engineering with superior craftsmanship to deliver unmatched performance, durability, and quality.