
Original: $97.14
-65%$97.14
$34.00The Story
SMAI 2-in-1 Isometric Cup / J-Hook Utility for Vanta Series Power Racks
The SMAI Hybrid Isometric Cup / J-Hook is a versatile accessory designed to maximise your training options on a single power rack. Combining two essential functions in one, it features:
- Lower C-Shaped Cup – Perfect for isometric barbell movements, allowing you to train static holds safely and effectively.
-
Integrated J-Hook – For quick and convenient racking during regular barbell exercises.
Specifications:
- Design for use with Vanta Series Power Rack with 75mm x 75mm uprights, 25mm accessory hole
- Sold as a pair
- Magnetic safety pins included
- Full Nylon barbell bumper protection across the Cup and J - Hook
- 8mm powder coated steel plate
Why choose the Hybrid Isometric Cup / J-Hook?
This dual-purpose design eliminates the need to swap attachments, saving time and enhancing workflow. Ideal for strength coaches, physios, and athletes focused on performance and rehab.
Isometric Training Made Simple
Isometric barbell movements involve holding a static position under load, building strength without moving through a full range of motion. With this accessory, you can pull against the top of the C-Cup for an isometric hold, then safely return the bar to the lower section. Note: The bar travels approximately 90mm from neutral to lock position—factor this into your setup.
Benefits of Isometric Training
- Builds maximum strength at specific joint angles.
- Improves stability and control under heavy loads.
- Ideal for rehab & elite performanceÂ
Examples of Isometric Holds
- Bench Press Hold – Pause just above the chest.
- Squat Hold – Maintain position at the bottom or mid-squat.
- Deadlift Hold – Hold at knee height without locking out.
Safety Tips
- Use a power rack with safety pins.
- Start with submaximal loads and short holds (5–10 seconds).
- Progress gradually in duration and intensity.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
SMAI 2-in-1 Isometric Cup / J-Hook Utility for Vanta Series Power Racks
The SMAI Hybrid Isometric Cup / J-Hook is a versatile accessory designed to maximise your training options on a single power rack. Combining two essential functions in one, it features:
- Lower C-Shaped Cup – Perfect for isometric barbell movements, allowing you to train static holds safely and effectively.
-
Integrated J-Hook – For quick and convenient racking during regular barbell exercises.
Specifications:
- Design for use with Vanta Series Power Rack with 75mm x 75mm uprights, 25mm accessory hole
- Sold as a pair
- Magnetic safety pins included
- Full Nylon barbell bumper protection across the Cup and J - Hook
- 8mm powder coated steel plate
Why choose the Hybrid Isometric Cup / J-Hook?
This dual-purpose design eliminates the need to swap attachments, saving time and enhancing workflow. Ideal for strength coaches, physios, and athletes focused on performance and rehab.
Isometric Training Made Simple
Isometric barbell movements involve holding a static position under load, building strength without moving through a full range of motion. With this accessory, you can pull against the top of the C-Cup for an isometric hold, then safely return the bar to the lower section. Note: The bar travels approximately 90mm from neutral to lock position—factor this into your setup.
Benefits of Isometric Training
- Builds maximum strength at specific joint angles.
- Improves stability and control under heavy loads.
- Ideal for rehab & elite performanceÂ
Examples of Isometric Holds
- Bench Press Hold – Pause just above the chest.
- Squat Hold – Maintain position at the bottom or mid-squat.
- Deadlift Hold – Hold at knee height without locking out.
Safety Tips
- Use a power rack with safety pins.
- Start with submaximal loads and short holds (5–10 seconds).
- Progress gradually in duration and intensity.























