Parcel ground shipping
Items weighing 149 lb or less ship by ground parcel rather than freight.
Receive by Dec 7estimated, may change
New
BUILT Strength Fractal Series Prone Leg Curl
$3,495.00
4.8
ConditionNew
Availability
Available to Order
Pay over timeBusiness financing
Business financing from $…/mo*
*Estimate, subject to credit approval.
Parts & Labor, Plus Lifetime Frame
New equipment. Coverage starts on the date of delivery.
Shipping calculator
Enter your state and ZIP code to see delivery options and prices.
Machine overview
Condition: New
Warranty: 1 Year Parts & Labor (Extended Available)
Returns: 30-Day Returns & Exchanges
Shipping: Driveway Delivery, or Inside Delivery & Assembly
Receive by: Dec 7
How It Ships: Crated w/ Assembly Manual
Delivery options
How delivery works
Your item’s shipping method and price are confirmed in the shipping calculator and at checkout. Here is what each delivery path means.
Driveway freight delivery
Your equipment is palletized and protected. The freight carrier schedules delivery, then uses a liftgate to lower it to your curb or driveway. Moving it inside and unpacking it are up to you.
Inside delivery & assembly
When selected and available for your address, the delivery team brings the equipment into the room, assembles and tests it, then removes the packaging.
Full truckload
For commercial builds and multi-pallet orders, a dedicated trailer keeps the full order together in one delivery. We confirm the unloading plan before the truck ships.
Size: 63" × 42" × 58" tall
What New Means
Brand new, current-model equipment shipped in the factory crate with the full manufacturer warranty. Extended coverage is available at checkout.
Warranty Coverage
New and remanufactured equipment are both covered for one year, parts and labor, backed by us. Extended protection is available on either through BAG Care+. Used equipment is sold as-is with no warranty coverage, and is described honestly before you buy. We service nationwide - every ZIP code in the country - so coverage travels with the machine.
30-Day Returns & Exchanges
Change your mind within 30 days of delivery and you can return the machine or exchange it for a different size, color or configuration.
Return shipping is the customer's responsibility and a 15% restocking fee applies to preference returns and exchanges. Freight items must go back packaged to the same standard they arrived in. We will tell you exactly what that means before anything is collected.
Anything that arrives damaged or fails under warranty is handled separately and carries no restocking fee. Full terms are in our Returns, Exchange & Refund Policy.
Add before it ships
Before the freight bookingCoverage and accessories have to go on the same booking as the machine. Add them here and they travel together.
Extended warrantyRecommendedEvery machine includes 1 year parts and labor.
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Build A Gym
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a month ago
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a month ago
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Just want to say thank you to the team at CTX!! Not only was shipping fast and efficient, but customer service was outstanding!! Any question that was needed to be answered was meet with a quick response. Thank you again!!
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a month ago
★★★★★
Dillon was very helpful, patient with answering all my questions, very knowledgeable. He insured I had all the necessary answers before I made my purchase. Thanks Dillon, great customer service!
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2 months ago
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2 months ago
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CTX Built is a great company to work with. Excellent communication and customer service. Their team was easy to work with and extremely helpful. Would do more business with them and I plan to.
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2 months ago
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Great product and awesome leadership. Equipment was straight forward to build and team is always responsive when needing information or any help whatsoever. So glad I found them for outfitting my gym, best decision I have ever made for my business!
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Absolutely best in business! Not only is Dillon just genuinely a great human being, he’s real and honest. Loved everything I’ve gotten from him and the team. I’m about 10-15 pieces in deep with him and not stopping anytime soon! Absolutely recommend hitting these guys up for home/commercial equipment. New or refurbished!
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4 months ago
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Dillion was great to work with!! Super friendly, quick turn around time, and great at communicating! The guys who delivered it Robb and JJ were also amazing. They came prepared and were very fast and efficient. They offered to help us move around other equipment to ensure we loved our gym! Super nice people and an amazing company! I would highly recommend working with them. Oh and the equipment itself is high quality and looks great in our home gym!
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Our own equipment line
What BUILT Strength is
Commercial-grade gear we design, stock and stand behind, sold only through Build A Gym.
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Heavy commercial steel
Frames are laser-cut and welded from heavy-gauge steel, built for daily commercial use.
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We audit the factory’s work
Our team audits the factory regularly, checking machines, welds and finishes before they ship to Texas.
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Stocked in Texas
Most of the range ships from our Jarrell, TX warehouse. Try it first at our Georgetown showroom.
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Delivered and backed for life
1 year parts and labor plus lifetime frame coverage. Add inside delivery and assembly at checkout.
Product details
Commercial-grade equipment, inspected and supported by warranty.
The BUILT Strength Fractal Series Prone Leg Curl isolates the hamstrings in the prone face-down position that keeps the hip extended throughout the curl - maintaining the stretched position of the hamstring from the start of the movement and creating greater recruitment through the full range of flexion compared to seated curl positions that start with the hip already flexed. Adjustable thigh and ankle rollers accommodate users of different leg lengths and preferred positioning.
The selectorized resistance system delivers smooth, consistent tension through bilateral or unilateral leg curls, and ergonomic padding keeps the user comfortable throughout extended hamstring training sessions. At 441 lb with a compact 63" × 42" footprint, this machine delivers complete prone hamstring isolation without claiming significant floor space in commercial or home gym environments. New.
Primary muscles targeted
Biceps Femoris Semitendinosus Semimembranosus
Secondary muscles
Gastrocnemius Glutes
Key features
Prone Position - Hip Extended Throughout
The prone face-down position keeps the hip extended throughout the curl - the hamstring starts in a fully stretched position, increasing the range of recruitment and creating greater muscle fiber activation compared to seated curl alternatives.
Bilateral & Unilateral Leg Curl
The selectorized system supports standard bilateral curling alongside single-leg unilateral work - enabling left-right strength balance assessment and corrective training alongside standard progressive hamstring loading.
Adjustable Thigh & Ankle Rollers
Both thigh and ankle rollers adjust independently to accommodate different leg lengths and preferred positioning - keeping the knee joint correctly aligned with the pivot axis for consistent hamstring loading across all user sizes.
Ergonomic Padding · Compact Commercial Frame
Ergonomic padding along the full prone contact surface provides comfort through extended hamstring training sessions. The compact 63" × 42" commercial-grade steel frame fits efficiently into any gym layout without claiming significant floor space.
Specifications
Dimensions (L × W × H)
63" × 42" × 58"
Machine Weight
441 lb
Weight Stack
175 lb
Pin-select selectorized
Condition
New
Fractal Series · BUILT Strength
Design & Adjustability
Prone · Bilateral & Unilateral · Adj. Rollers
Prone hip-extended position · Adjustable thigh & ankle rollers · Ergonomic padding · 175 lb selectorized
Frame
11-Gauge (3mm) Steel
PDF
Assembly manual
BUILT Strength Fractal Series Prone Leg Curl
The step-by-step factory guide for putting this machine together. Handy to look over before delivery day.
View manual
Download PDF
Rather not build it?
We will assemble it for you
Brought inside to the room you choose
Assembled and set up by our crew
Packaging taken away
Choose Inside Delivery & Assembly as your delivery option at checkout.
How assembly works
1. What are the exact dimensions and footprint of this machine?
This machine measures 63 inches long, 42 inches wide, and 58 inches high, with a footprint of 18 square feet. Allowing extra clearance around the machine is suggested for user access and adjustments.
2. What muscle groups does this machine target and how does the prone position benefit training?
It isolates the hamstrings, specifically the biceps femoris, semitendinosus, and semimembranosus, with secondary activation of the gastrocnemius and glutes. The prone position keeps the hip extended, maximizing hamstring stretch and recruitment throughout the curl.
3. How much resistance does the weight stack provide and what type of loading system is used?
The selectorized weight stack provides up to 175 pounds of resistance, using a pin-select system for smooth and consistent tension.
4. What user adjustments are available on this machine?
Both the thigh and ankle rollers adjust independently to fit different leg lengths and preferred positions, ensuring proper alignment and comfort for users of various sizes.
5. What warranty coverage is included with this new machine?
New BUILT Strength equipment comes with the manufacturer warranty. Details and options for extended coverage are available on our product guarantees page.
6. How is this machine delivered and what are the setup options?
Delivery is by freight to any ZIP in the lower 48 states. At checkout, you can choose curbside delivery or have our crew bring it inside, assemble it, and remove packaging.
30-Day Returns & Exchanges
Buy with confidence. Every Build A Gym order includes a 30-day window to return or exchange, whether you want a different size, color or configuration. Return shipping is the customer's responsibility and a 15% restocking fee applies to preference returns; warranty and damage claims carry no restocking fee. Full details in our Returns, Exchange & Refund Policy.
The BUILT Strength Fractal Series Prone Leg Curl isolates the hamstrings in the prone face-down position that keeps the hip extended throughout the curl - maintaining the stretched position of the hamstring from the start of the movement and creating greater recruitment through the full range of flexion compared to seated curl positions that start with the hip already flexed. Adjustable thigh and ankle rollers accommodate users of different leg lengths and preferred positioning.
The selectorized resistance system delivers smooth, consistent tension through bilateral or unilateral leg curls, and ergonomic padding keeps the user comfortable throughout extended hamstring training sessions. At 441 lb with a compact 63" × 42" footprint, this machine delivers complete prone hamstring isolation without claiming significant floor space in commercial or home gym environments. New.
Primary muscles targeted
Biceps Femoris Semitendinosus Semimembranosus
Secondary muscles
Gastrocnemius Glutes
Key features
Prone Position - Hip Extended Throughout
The prone face-down position keeps the hip extended throughout the curl - the hamstring starts in a fully stretched position, increasing the range of recruitment and creating greater muscle fiber activation compared to seated curl alternatives.
Bilateral & Unilateral Leg Curl
The selectorized system supports standard bilateral curling alongside single-leg unilateral work - enabling left-right strength balance assessment and corrective training alongside standard progressive hamstring loading.
Adjustable Thigh & Ankle Rollers
Both thigh and ankle rollers adjust independently to accommodate different leg lengths and preferred positioning - keeping the knee joint correctly aligned with the pivot axis for consistent hamstring loading across all user sizes.
Ergonomic Padding · Compact Commercial Frame
Ergonomic padding along the full prone contact surface provides comfort through extended hamstring training sessions. The compact 63" × 42" commercial-grade steel frame fits efficiently into any gym layout without claiming significant floor space.
Specifications
Dimensions (L × W × H)
63" × 42" × 58"
Machine Weight
441 lb
Weight Stack
175 lb
Pin-select selectorized
Condition
New
Fractal Series · BUILT Strength
Design & Adjustability
Prone · Bilateral & Unilateral · Adj. Rollers
Prone hip-extended position · Adjustable thigh & ankle rollers · Ergonomic padding · 175 lb selectorized
Frame
11-Gauge (3mm) Steel
PDF
Assembly manual
BUILT Strength Fractal Series Prone Leg Curl
The step-by-step factory guide for putting this machine together. Handy to look over before delivery day.
View manual
Download PDF
Rather not build it?
We will assemble it for you
Brought inside to the room you choose
Assembled and set up by our crew
Packaging taken away
Choose Inside Delivery & Assembly as your delivery option at checkout.
How assembly works
1. What are the exact dimensions and footprint of this machine?
This machine measures 63 inches long, 42 inches wide, and 58 inches high, with a footprint of 18 square feet. Allowing extra clearance around the machine is suggested for user access and adjustments.
2. What muscle groups does this machine target and how does the prone position benefit training?
It isolates the hamstrings, specifically the biceps femoris, semitendinosus, and semimembranosus, with secondary activation of the gastrocnemius and glutes. The prone position keeps the hip extended, maximizing hamstring stretch and recruitment throughout the curl.
3. How much resistance does the weight stack provide and what type of loading system is used?
The selectorized weight stack provides up to 175 pounds of resistance, using a pin-select system for smooth and consistent tension.
4. What user adjustments are available on this machine?
Both the thigh and ankle rollers adjust independently to fit different leg lengths and preferred positions, ensuring proper alignment and comfort for users of various sizes.
5. What warranty coverage is included with this new machine?
New BUILT Strength equipment comes with the manufacturer warranty. Details and options for extended coverage are available on our product guarantees page.
6. How is this machine delivered and what are the setup options?
Delivery is by freight to any ZIP in the lower 48 states. At checkout, you can choose curbside delivery or have our crew bring it inside, assemble it, and remove packaging.
30-Day Returns & Exchanges
Buy with confidence. Every Build A Gym order includes a 30-day window to return or exchange, whether you want a different size, color or configuration. Return shipping is the customer's responsibility and a 15% restocking fee applies to preference returns; warranty and damage claims carry no restocking fee. Full details in our Returns, Exchange & Refund Policy.
Save 5%
Complete the room
The machines our install crew puts in the same room as this one - priced as one shipment, delivered in one booking.
$3,495.00
This machine
Bundle total
- Items
- $6,065.00
- Bundle price
- $5,761.75
- Estimated bundle saving
- −$303.25
- Everything arrives by
- Dec 7
One freight booking, one delivery window, one crew. Inside Delivery & Assembly available on the whole bundle.