Item Condition: New

Pop Pin knob 1.5" Thread of Pin 5 - 8" Fine Thread 0.79"Tip of Pin Dia 5 - 16" - hydrafitnessparts
Pop Pin knob 1.5" Thread of Pin 5 - 8" Fine Thread 0.79"Tip of Pin Dia 5 - 16" - hydrafitnessparts
Indoor Cycle Pop Pin knob 1.5" Thread of Pin "Adjust + -" 5-8" Fine Thread 0.79"Tip of Pin Dia 5-16"

Indoor Cycle Pop Pin knob 1.5" Thread of Pin "Adjust + -" 5-8" Fine Thread 0.79"Tip of Pin Dia 5-16"

  • $22.99
Catalog Number: MY-7033-Black

Available 8 In Stock

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Item Description

Condition New


This style of pull pin is most commonly found on indoor cycles and spin bikes that use an M16 threaded adjustment assembly with an 8mm locking pin. Adjustment Knob for Handlebars and Seat Positions.

Common Compatible Brands

  • Schwinn IC Series (select models)
  • Star Trac Spinner Series
  • Keiser M3 / M3i style adjustment systems (verify dimensions)
  • BodyCraft Indoor Cycles
  • Lifespan Indoor Bike S1,S2
  • BH Fitness Indoor Cycles
  • Newton Fitness B1000
  • Technogym - Please Measure
  • Spirit Fitness Indoor Cycles
  • XTERRA Fitness Bikes
  • Sunny Health & Fitness Commercial Cycles
  • Endurance by Body-Solid Indoor Cycles
  • SportsArt Indoor Cycles
  • Various OEM spin bikes using M16 threaded seat and handlebar adjustment knobs

Common Applications

  • Seat height adjustment
  • Seat fore/aft adjustment
  • Handlebar height adjustment
  • Handlebar fore/aft adjustment
  • Indoor cycle frame positioning systems

The critical measurements are:

  • M16 Thread
  • 39mm Thread Length
  • 8mm Locking Pin Diameter

Those dimensions matter more than the bike brand itself.


#7033 Indoor Cycle Pull Pin / Pop Pin

M16 Threaded Seat & Handlebar Adjustment Knob with 8mm Locking Pin

This M16 threaded pull pin is designed for indoor cycles, spin bikes, and fitness equipment requiring secure seat and handlebar positioning. The spring-loaded locking pin allows users to quickly adjust equipment settings while maintaining positive engagement during workouts.

Commonly used for seat height, seat fore/aft, and handlebar adjustment systems, this replacement pop pin restores safe and reliable operation to commercial and residential cycling equipment.

📐 Dimensions

  • Thread Size: M16
  • Thread Length: 39mm (1.54")
  • Locking Pin Diameter: 8mm (0.31")
  • Style: Spring-Loaded Pull Pin / Pop Pin

🔩 Key Features

Spring-Loaded Locking Design

Allows quick adjustment while maintaining secure positioning during use.

Heavy-Duty M16 Threaded Body

Provides secure installation into compatible indoor cycle adjustment assemblies.

Ergonomic Adjustment Knob

Large grip surface makes seat and handlebar adjustments fast and comfortable.

Commercial Grade Construction

Built for repeated use in gyms, studios, hotels, and home fitness environments.

Direct Replacement Solution

Ideal for worn, damaged, or missing indoor cycle adjustment pins.


🚴 Common Applications

  • Indoor cycles
  • Spin bikes
  • Commercial cycling equipment
  • Seat height adjustments
  • Seat fore/aft positioning
  • Handlebar height adjustments
  • Handlebar fore/aft positioning

✅ Benefits

  • Fast seat and handlebar adjustments
  • Secure positive locking engagement
  • Smooth spring-loaded operation
  • Durable commercial-grade construction
  • Easy replacement for worn adjustment hardware

⚠️ Important Fitment Information

Please verify:

  • M16 thread size
  • 39mm thread length
  • 8mm locking pin 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 adjustment pin is essential for indoor cycle safety and rider comfort. Secure seat and handlebar positioning improve bike stability, workout performance, and overall equipment reliability.

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