ISOLATOR 2X2/2X3
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The Isolator is a compact, rack-mounted isolation system engineered to deliver machine-level movements from a single unit. Built to solve the problem of space-constrained gyms and home setups, it replaces dozens of single-use machines with one fully adjustable platform.
Designed around biomechanical precision, the Isolator aligns with your body's natural hinge points—not the other way around. Perfect elbow alignment for preacher curls, knee alignment for leg extensions, hip alignment for glute work. What started as an internal solution became the system that launched Bulletproof Fitness Equipment.
Leg extensions, leg curls, preacher curls, tricep extensions, glute work, reverse hypers, back extensions, pullovers, and more—all from one unit.
Dual hex ports for seat positioning, rotating weight horn, adjustable lever arm sleeve, and interchangeable attachments let you dial in perfect alignment for every movement.
Compatible with 3x3, 2x3, and 2x2 uprights. Fits 1" holes, 5/8" holes, and more. If you have a rack, the Isolator works.
Plate-loaded, VTS cable compatible, or load trolley options. Train the way that works best for your goals and environment.


- Dual Hex Ports (Seat/Pad Positioning): Dial in perfect alignment for elbows, knees, or hips depending on the movement. Move the machine to fit your body—not the other way around.
- Front Hex Ports (Lever Arm System): Balanced, stable resistance from either side with linked lever arm and weight arm movement for smooth, controlled motion.
- Adjustable Lever Arm Sleeve: Slide attachments up and down to fine-tune positioning for every movement without resetting.
- Rotating Weight Horn: Face forward or sideways to change resistance direction and feel based on your training goal.
- Pop-Pin Cam Adjustment: Quickly change starting angles to match your strength curve and biomechanics.
- Triple Adjustable Weight Horn: Three loading positions give you control over resistance throughout the movement and the ability to match your exact strength curve.
- Side Port Weight Arm: Train without breaking your flow. Superset movements like leg extensions to leg curls or transition from preacher curls to tricep extensions without changing your setup.
- Interchangeable Attachments: Swap between preacher curl arm, short pad (glutes/multi-hip), and long pad (leg extensions/leg curls) to unlock different movements.
- Multi-Source Resistance: Plate-loaded, cable-compatible (VTS), or load trolley options to match your training style and environment.
- Advanced Cam Systems: Interchangeable cam options transform how the equipment performs, matching real strength curves and replicating commercial machine feel.
- Crossbow Cam: Oversized cam design with 2:1 cable ratios that converts lighter weight into heavy, challenging resistance without massive weight stacks.
The core principle behind the Isolator is biomechanical alignment: move the machine to fit your body—not the other way around. Most multi-use equipment fails because it can't match the body's natural hinge points. The Isolator solves this through precision positioning.
Dual hex ports allow you to dial in the exact elbow position for maximum biceps isolation and controlled ROM without joint strain.
Adjust seat and pad height independently to match your femur length and tibia length, ensuring the knee joint tracks correctly through the movement.
Position the fulcrum to match your hip structure, enabling true hip flexion/extension without lumbar compensation or iliopsoas dominance.
Adjust starting angles to match your individual strength curve—providing maximum resistance where you're strongest and reduced resistance at weaker points.
The lever arm and weight arm move together, eliminating bind and ensuring constant tension through the entire range of motion.
Interchangeable cams replicate real strength curves and deliver machine-level resistance profiles that match natural muscle strength variations.
The Isolator is engineered to work with nearly any standard rack setup. Upright size and hole diameter compatibility cover most commercial and home gym configurations.
- Works with: 3x3 uprights, 2x3 uprights, 2x2 uprights
- Hole compatibility: 1" holes, 5/8" holes, and more
- Cable compatible: Versa Trolley System (VTS) integration for constant-tension and smooth machine-like resistance
- Resistance options: Plate-loaded, cable-integrated, or load trolley systems
Which rack sizes does the Isolator work with?
The Isolator is compatible with 3x3, 2x3, and 2x2 uprights, and accommodates 1" holes, 5/8" holes, and more. If you have a standard rack, the Isolator will work. Verify your upright dimensions and hole diameter before purchase to confirm fit.
How many movements can I perform on the Isolator?
The Isolator unlocks dozens of movements including leg extensions, leg curls (seated and lying), preacher curls, tricep extensions, glute and hip work, reverse hypers, back extensions, pullovers, and many more. With interchangeable attachments and advanced cam systems, the movement library continues to expand.
Can I use the Isolator with cable systems like VTS?
Yes. The Isolator is VTS (Versa Trolley System) compatible and supports cable integration for constant-tension resistance. You can also run it plate-loaded or with alternative load sources. Choose the resistance type that best matches your training style and environment.
Do I have to reset the equipment between exercises?
The Isolator was engineered to minimize setup changes. The adjustable lever arm sleeve, rotating weight horn, and side port weight arm allow you to transition between movements like leg extensions to leg curls or preacher curls to tricep extensions without major repositioning. You can superset movements and keep your flow uninterrupted.
What makes the Isolator different from other multi-use machines?
The Isolator is built on biomechanical precision. Most multi-use equipment fails because it can't align with your body's natural hinge points. The Isolator uses dual hex ports, adjustable positioning, and cam systems to move the machine to fit your body—not the other way around. It delivers machine-level alignment and movement control from a single, space-efficient unit.
Can I expand the Isolator with additional attachments later?
Yes. The Isolator is designed as an expandable platform. You can start with a basic setup and layer in upgrades like the long lever arm upgrade, self-adjusting leg pad, rack hex core attachment, or pullover attachment as your training evolves—without replacing what you already own.
What is the Crossbow Cam, and when would I use it?
The Crossbow Cam is an oversized cam design that works with 2:1 cable ratios and lighter load systems. It converts lighter weight into a heavy, challenging resistance curve—delivering a full machine-level experience without needing massive weight stacks. It's ideal for lighter training, cable-based setups, or minimizing floor space dedicated to plate storage.
How do I dial in proper alignment for my body?
The Isolator includes dual hex ports for seat and pad positioning, an adjustable lever arm sleeve, and pop-pin cam adjustments. Start by positioning the seat to match your body's proportions, adjust the pad height to align your working joint (elbow, knee, hip), then fine-tune the starting angle with the cam adjustment. The goal is to move the machine to match your natural movement pattern.
Overview
The Isolator is a compact, rack-mounted isolation system engineered to deliver machine-level movements from a single unit. Built to solve the problem of space-constrained gyms and home setups, it replaces dozens of single-use machines with one fully adjustable platform.
Designed around biomechanical precision, the Isolator aligns with your body's natural hinge points—not the other way around. Perfect elbow alignment for preacher curls, knee alignment for leg extensions, hip alignment for glute work. What started as an internal solution became the system that launched Bulletproof Fitness Equipment.
Leg extensions, leg curls, preacher curls, tricep extensions, glute work, reverse hypers, back extensions, pullovers, and more—all from one unit.
Dual hex ports for seat positioning, rotating weight horn, adjustable lever arm sleeve, and interchangeable attachments let you dial in perfect alignment for every movement.
Compatible with 3x3, 2x3, and 2x2 uprights. Fits 1" holes, 5/8" holes, and more. If you have a rack, the Isolator works.
Plate-loaded, VTS cable compatible, or load trolley options. Train the way that works best for your goals and environment.


Features
- Dual Hex Ports (Seat/Pad Positioning): Dial in perfect alignment for elbows, knees, or hips depending on the movement. Move the machine to fit your body—not the other way around.
- Front Hex Ports (Lever Arm System): Balanced, stable resistance from either side with linked lever arm and weight arm movement for smooth, controlled motion.
- Adjustable Lever Arm Sleeve: Slide attachments up and down to fine-tune positioning for every movement without resetting.
- Rotating Weight Horn: Face forward or sideways to change resistance direction and feel based on your training goal.
- Pop-Pin Cam Adjustment: Quickly change starting angles to match your strength curve and biomechanics.
- Triple Adjustable Weight Horn: Three loading positions give you control over resistance throughout the movement and the ability to match your exact strength curve.
- Side Port Weight Arm: Train without breaking your flow. Superset movements like leg extensions to leg curls or transition from preacher curls to tricep extensions without changing your setup.
- Interchangeable Attachments: Swap between preacher curl arm, short pad (glutes/multi-hip), and long pad (leg extensions/leg curls) to unlock different movements.
- Multi-Source Resistance: Plate-loaded, cable-compatible (VTS), or load trolley options to match your training style and environment.
- Advanced Cam Systems: Interchangeable cam options transform how the equipment performs, matching real strength curves and replicating commercial machine feel.
- Crossbow Cam: Oversized cam design with 2:1 cable ratios that converts lighter weight into heavy, challenging resistance without massive weight stacks.
Biomechanics
The core principle behind the Isolator is biomechanical alignment: move the machine to fit your body—not the other way around. Most multi-use equipment fails because it can't match the body's natural hinge points. The Isolator solves this through precision positioning.
Dual hex ports allow you to dial in the exact elbow position for maximum biceps isolation and controlled ROM without joint strain.
Adjust seat and pad height independently to match your femur length and tibia length, ensuring the knee joint tracks correctly through the movement.
Position the fulcrum to match your hip structure, enabling true hip flexion/extension without lumbar compensation or iliopsoas dominance.
Adjust starting angles to match your individual strength curve—providing maximum resistance where you're strongest and reduced resistance at weaker points.
The lever arm and weight arm move together, eliminating bind and ensuring constant tension through the entire range of motion.
Interchangeable cams replicate real strength curves and deliver machine-level resistance profiles that match natural muscle strength variations.
Compatibility
The Isolator is engineered to work with nearly any standard rack setup. Upright size and hole diameter compatibility cover most commercial and home gym configurations.
- Works with: 3x3 uprights, 2x3 uprights, 2x2 uprights
- Hole compatibility: 1" holes, 5/8" holes, and more
- Cable compatible: Versa Trolley System (VTS) integration for constant-tension and smooth machine-like resistance
- Resistance options: Plate-loaded, cable-integrated, or load trolley systems
Product FAQs
Which rack sizes does the Isolator work with?
The Isolator is compatible with 3x3, 2x3, and 2x2 uprights, and accommodates 1" holes, 5/8" holes, and more. If you have a standard rack, the Isolator will work. Verify your upright dimensions and hole diameter before purchase to confirm fit.
How many movements can I perform on the Isolator?
The Isolator unlocks dozens of movements including leg extensions, leg curls (seated and lying), preacher curls, tricep extensions, glute and hip work, reverse hypers, back extensions, pullovers, and many more. With interchangeable attachments and advanced cam systems, the movement library continues to expand.
Can I use the Isolator with cable systems like VTS?
Yes. The Isolator is VTS (Versa Trolley System) compatible and supports cable integration for constant-tension resistance. You can also run it plate-loaded or with alternative load sources. Choose the resistance type that best matches your training style and environment.
Do I have to reset the equipment between exercises?
The Isolator was engineered to minimize setup changes. The adjustable lever arm sleeve, rotating weight horn, and side port weight arm allow you to transition between movements like leg extensions to leg curls or preacher curls to tricep extensions without major repositioning. You can superset movements and keep your flow uninterrupted.
What makes the Isolator different from other multi-use machines?
The Isolator is built on biomechanical precision. Most multi-use equipment fails because it can't align with your body's natural hinge points. The Isolator uses dual hex ports, adjustable positioning, and cam systems to move the machine to fit your body—not the other way around. It delivers machine-level alignment and movement control from a single, space-efficient unit.
Can I expand the Isolator with additional attachments later?
Yes. The Isolator is designed as an expandable platform. You can start with a basic setup and layer in upgrades like the long lever arm upgrade, self-adjusting leg pad, rack hex core attachment, or pullover attachment as your training evolves—without replacing what you already own.
What is the Crossbow Cam, and when would I use it?
The Crossbow Cam is an oversized cam design that works with 2:1 cable ratios and lighter load systems. It converts lighter weight into a heavy, challenging resistance curve—delivering a full machine-level experience without needing massive weight stacks. It's ideal for lighter training, cable-based setups, or minimizing floor space dedicated to plate storage.
How do I dial in proper alignment for my body?
The Isolator includes dual hex ports for seat and pad positioning, an adjustable lever arm sleeve, and pop-pin cam adjustments. Start by positioning the seat to match your body's proportions, adjust the pad height to align your working joint (elbow, knee, hip), then fine-tune the starting angle with the cam adjustment. The goal is to move the machine to match your natural movement pattern.