Condition New
M16 × 1.5 Indoor Cycle Pop Pin – Seat & Handlebar Adjustment Knob - View Dimensions - Measure First
8mm Locking Pin | 35mm Thread Length | Commercial Spin Bike Replacement
This M16 × 1.5 threaded pop pin is designed for indoor cycles, spin bikes, and fitness equipment requiring secure seat and handlebar positioning. The spring-loaded 8mm locking pin allows users to quickly adjust seat height, handlebar height, and fore/aft positions while maintaining positive engagement during workouts.
Featuring a large ergonomic black adjustment knob and heavy-duty steel threaded body, this replacement pop pin is ideal for commercial fitness facilities, cycling studios, hotels, apartment gyms, and home fitness equipment.
📐 Dimensions
- Knob Diameter: 50mm (1.97")
- Thread Size: M16 × 1.5 Fine Pitch
- Thread Length: 25mm (1")
- Overall Pin Length: 35mm (1.38")
- Locking Pin Diameter: 8mm (5/16")
- Pin Projection Length: 10mm (0.39")
🔩 Key Features
Spring-Loaded Pop Pin Design
Provides quick adjustment while maintaining secure locking engagement.
M16 × 1.5 Fine Thread
Heavy-duty threaded body provides reliable installation and long service life.
Ergonomic Adjustment Knob
Large 50mm grip surface allows easy seat and handlebar adjustments.
Commercial Grade Construction
Built for high-use commercial fitness environments and indoor cycling studios.
Direct Replacement Component
Ideal replacement for worn, broken, or missing adjustment pins.
🚴 Common Compatible Brands
This M16 adjustment pin style is commonly found on select models from:
- Schwinn Indoor Cycles
- Star Trac Spinner Series
- Keiser M3 / M3i (verify dimensions)
- Stages Indoor Cycles
- Spirit Fitness Indoor Cycles
- BH Fitness Indoor Cycles
- SportsArt Indoor Cycles
- XTERRA Fitness Bikes
- Endurance by Body-Solid Cycles
- Sunny Health & Fitness Commercial Models
- Various OEM spin bikes and studio cycles
- Yosuda
- PooBoo
- L-Now
- Snode
- Exerpeutic
- Ativafit
- Pleny
🚴 Common Applications
- Seat height adjustment
- Seat fore/aft positioning
- Handlebar height adjustment
- Handlebar fore/aft positioning
- Indoor cycling bike adjustment systems
- Commercial spin bike maintenance
✅ Benefits
- Fast seat and handlebar adjustments
- Secure positive locking engagement
- Smooth spring-loaded operation
- Durable commercial-grade construction
- Easy-to-grip ergonomic knob
- Ideal replacement for indoor cycling equipment
⚠️ Important Fitment Information
Please verify:
- M16 × 1.5 thread size
- 8mm locking pin diameter
- 10mm pin projection
- 25mm threaded section length
- 50mm knob diameter
Many indoor cycles use similar adjustment knobs, but exact dimensions are required for proper fit and safe operation.
💡 Why It Matters
A properly functioning pop pin is critical for rider comfort and safety. Secure seat and handlebar positioning improves bike stability, rider ergonomics, and overall equipment performance while reducing wear on adjustment assemblies.
Suggested eBay / Amazon Title
M16 x 1.5 Indoor Cycle Pop Pin Seat Handlebar Adjustment Knob 8mm Locking Pin Spin Bike Replacement for Schwinn Star Trac Keiser
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