Condition New

Ball Style Pop Pin / Pull Pin – Fitness Equipment Adjustment Locking Pin

25mm Knob | 12mm Thread Body | 8mm Locking Pin

This ball-style pop pin is designed for fitness equipment requiring secure adjustment and positioning of seats, back pads, support arms, footplates, and other movable components. The compact round knob design provides comfortable operation while the spring-loaded locking pin allows quick equipment adjustments with positive engagement.

This style is commonly found on strength equipment, adjustable benches, functional trainers, and commercial gym machines where space is limited and a low-profile adjustment knob is preferred.

📐 Dimensions

• Knob Diameter: 25mm (0.98")
• Thread Body Diameter: 12mm (M12)
• Locking Pin Diameter: 8mm (5/16")
• Pin Projection: 4.5mm (0.18")

🔩 Key Features

Compact Ball Knob Design

Low-profile rounded knob provides comfortable grip while minimizing interference with machine movement.

Spring-Loaded Locking Mechanism

Allows fast adjustment and secure positioning of movable equipment components.

Heavy-Duty Metal Construction

Designed for repeated use in commercial fitness facilities and home gyms.

Positive Lock Engagement

Helps maintain secure positioning during exercise.

Universal Fitness Equipment Replacement

Suitable for many strength and cardio equipment adjustment systems using the same dimensions.

🏋️ Common Compatible Brands

This style of compact ball pull pin is commonly found on select equipment from:

• Life Fitness
• Hammer Strength
• Cybex
• Precor
• Nautilus
• Star Trac
• Matrix
• Hoist Fitness
• Body-Solid
• TuffStuff
• SportsArt
• TRUE Fitness
• Technogym
• Paramount
• Legend Fitness
• Yosuda 
• Sunny Health & Fitness
• PooBoo
• Ativafit

🏋️ Common Equipment Applications

• Adjustable weight benches
• Functional trainers
• Cable crossover machines
• Leg extension / leg curl machines
• Seated row machines
• Lat pulldown stations
• Adjustable seat assemblies
• Back pad positioning systems
• Roller pad adjustments
• Commercial strength equipment

⚙️ How It Works

1. Pull Knob to Retract Pin
   The spring-loaded pin disengages from the adjustment hole.
2. Adjust Equipment Position
   Move the seat, pad, arm, or support to the desired location.
3. Release Knob
   The pin automatically engages the nearest locking hole.
4. Secure Equipment Position
   Positive locking action maintains safe operation during use.

✅ Benefits

• Quick and secure equipment adjustments
• Compact low-profile design
• Positive locking engagement
• Durable commercial-grade construction
• Easy replacement for worn or damaged adjustment pins

⚠️ Important Fitment Information

Please verify:

• 12mm thread body diameter
• 8mm locking pin diameter
• 4.5mm pin projection
• 25mm knob diameter

Many fitness machines use similar pull pins, but exact dimensions are required for proper fit and safe operation.

💡 Why It Matters

Adjustment pins are critical safety components on fitness equipment. A properly functioning pop pin ensures secure positioning, smoother operation, and safer workouts while extending the service life of your equipment.

Suggested eBay / Amazon Title

Ball Style Pop Pin Pull Pin M12 Thread 8mm Locking Pin Fitness Equipment Adjustment Knob Life Fitness Cybex Hammer Strength Precor Compatible

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