Bolt-On J-Hook Set for 3x3 Gym Racks
Bolt-On J-Hook Set for 3x3 Gym Racks
PRODUCT DESCRIPTION
Carbon Fiber Reinforced Bolt-On J-Hook for 3x3 1in Hole Power Rack
By Carbon Strength Fitness
IMPACT TESTED UP TO 545LB (TESTED WITH AGGRESSIVE SQUAT RERACKING)
Need to maximixe your bar usage with a wide grip squat but don't have a powerlifting rack? Or tired of hitting your J-Hooks with the barbells flanged ends?
Upgrade your rack with a J-hook built for serious lifters. Our Carbon Fiber Infused 3D Printed J-Hook combines high-strength engineering materials with precision design to create a lightweight, durable, and rack-protective solution for barbell storage and lifts.
Designed for bolt-on mounting, this J-hook provides a secure, confidence-inspiring hold while protecting your barbell knurling and rack uprights. The carbon fiber reinforced material offers exceptional stiffness and strength compared to standard plastics, making it ideal for heavy training environments.
Key Features
• Carbon Fiber Infused Construction – Strong, rigid, and heat-resistant engineering filament
• Bolt-On Security – Stable mounting with minimal movement during unracking and reracking
• Rack Protection – Smooth contact surfaces help protect barbell knurling and rack finish
• Lightweight but Strong – Easier to handle than steel alternatives without sacrificing durability
• Precision Fit – Designed for 3x3 1in Hole power rack uprights (see sizing below)
• Modern Performance Look – Clean, textured finish that matches high-end gym equipment
Perfect For
✔ Home gyms
✔ Powerlifting setups
✔ Strength training facilities
✔ Custom rack builds
✔ Anyone wanting premium performance without metal weight
Specifications
• Material: Carbon Fiber Reinforced Polymer
• Manufacturing: Industrial FDM 3D Printing
• Mounting: Bolt-On Hardware (included if applicable — adjust as needed)
• Color: Black (carbon fiber texture finish)
• Sold as: (Single / Pair — customize as needed)
Compatibility
Designed to fit power racks with 3x3 uprights and 1" holes
If you’re unsure about compatibility, message us before ordering — we’re happy to help.
Why Carbon Strength Fitness?
We specialize in high-performance 3D printed gym accessories using advanced composite materials. Every part is printed, inspected, and finished in our workshop to ensure strength, reliability, and long-term performance under load.
Important Notes
• Intended for strength training use — always inspect equipment before lifting.
• Load capacity depends on rack, mounting hardware, and proper installation.
• Slight layer lines may be visible due to the nature of 3D printing.
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💪 Built for lifters. Engineered for strength.
🖤 Carbon Strength Fitness
Legal Disclaimer
High-Risk Activity Notice
Products sold by Carbon Strength Fitness are intended for use in strength training and physical exercise. Participation in weight training and the use of exercise equipment involves inherent risks, including but not limited to serious bodily injury, permanent disability, property damage, or death.
By purchasing, installing, using, or allowing others to use any Carbon Strength Fitness product, you acknowledge and agree that strength training and the use of exercise equipment are inherently dangerous activities and that you voluntarily assume all risks associated with their use.
You are responsible for ensuring that all equipment is properly installed, inspected, and used in accordance with safe training practices. Carbon Strength Fitness strongly recommends consulting with a qualified physician before beginning any exercise program.
Assumption of Risk
By purchasing, installing, or using any Carbon Strength Fitness product, you knowingly and voluntarily assume all risks of injury, death, or property damage arising from the use or misuse of the equipment.
These risks include, but are not limited to:
-Improper installation or mounting
-Equipment misuse or abuse
-Equipment failure or malfunction
-Dropped weights or sudden load changes
-User negligence or improper exercise technique
-Failure to properly inspect equipment before use
Use of any Carbon Strength Fitness product is entirely at the user's own risk.
RETURN & REFUND
Carbon Strength Fitness Return Policy
Thank you for choosing Carbon Strength Fitness for your home gym equipment needs. We strive to provide high-quality products and exceptional customer service. If you are not completely satisfied with your purchase, we offer a 30-day return policy to ensure your satisfaction.
30-Day Return Policy:
You have 30 days from the date of delivery to return your product for a refund. To be eligible for a return, the item must be unused, in its original packaging, and in the same condition as received.
All approved returns are subject to a 20% restocking fee, which will be deducted from your refund.
Items returned with signs of use, wear, damage, or missing parts are subject to a 50% restocking fee.
Return Process:
Contact our Customer Service team at mario@carbonstrengthfitness.com to initiate the return process. Please include your order number, reason for return, and any relevant details.
Our team will provide you with a Return Merchandise Authorization (RMA) number and instructions on how to return the product.
Pack the item securely in its original packaging, include the RMA number on the outside of the package, and ship it to the address provided by our Customer Service team.
Return Shipping:
Customers are responsible for return shipping costs. We recommend using a trackable shipping service to ensure the safe return of the item. Carbon Strength Fitness is not responsible for any damage or loss that occurs during the return shipping process.
Damaged Goods Upon Arrival:
If you receive a damaged or defective product upon delivery, please contact our Customer Service team immediately at mario@carbonstrengthfitness.com. We will work with you to resolve the issue promptly. Items determined to be damaged during shipping or manufacturing defects are not subject to restocking fees.
Refund Processing:
Once we receive and inspect the returned item, we will process your refund within 5 business days.
A 20% restocking fee applies to standard approved returns.
A 50% restocking fee applies to items returned with damage, wear, or missing components.
Refunds will be issued to the original payment method used for the purchase.
Exclusions:
This return policy does not apply to personalized or customized items.
Contact Information:
Carbon Strength Fitness Customer Service Email: contact@carbonstrengthfitness.com
Note: Carbon Strength Fitness reserves the right to update or modify this return policy at any time without prior notice.