Ball Style Pull "Pop" Pin Size Knob 1" For Bikes Gyms & Freeweight Equipment | Thread Pin: M12 - Dia 5/16"
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Item Description
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
-
Pull Knob to Retract Pin
The spring-loaded pin disengages from the adjustment hole. -
Adjust Equipment Position
Move the seat, pad, arm, or support to the desired location. -
Release Knob
The pin automatically engages the nearest locking hole. -
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