Item Condition: New

Indoor Cycle Pull Pin / Pop Pin – Yellow & Black Adjustment Knob

M16 × 1.5 Thread | Available in 18mm, 20mm, 25mm & 27mm Pin Lengths

This M16 × 1.5 indoor cycle pull pin is designed for seat and handlebar adjustment systems found on commercial spin bikes, indoor cycles, and exercise bikes. The spring-loaded locking pin allows riders to quickly adjust seat height, handlebar height, and fore/aft positions while maintaining secure engagement during workouts.

Featuring a high-visibility yellow top with black housing, this replacement pull pin is easy to locate and operate in commercial gym environments. Multiple pin lengths are available to fit a wide variety of indoor cycle adjustment systems.

📐 Available Sizes

Common Dimensions

• Knob Diameter: 58mm (2.28")
• Thread Size: M16 × 1.5 Fine Pitch
• Pin Diameter: 8mm (5/16")
• Color: Yellow & Black

🚴 Compatible Indoor Cycle Brands

Commonly found on select models from:

• Schwinn IC Series
• Star Trac Spinner Series
• Keiser M3 / M3i (verify dimensions)
• Stages Indoor Cycling Bikes
• Spirit Fitness Indoor Cycles
• BH Fitness Indoor Cycles
• SportsArt Indoor Cycles
• Endurance by Body-Solid Cycles
• XTERRA Fitness Bikes
• Diamondback Fitness Bikes
• Sunny Health & Fitness Commercial Models
• Various OEM spin bikes and indoor cycles

🔩 Key Features

Spring-Loaded Pop Pin Design

Provides quick seat and handlebar adjustments while maintaining secure locking engagement.

M16 × 1.5 Fine Thread

Precision-machined thread provides secure installation and smooth operation.

High-Visibility Yellow & Black Knob

Easy to identify and operate during bike adjustments.

Commercial Grade Construction

Built to withstand repeated daily use in cycling studios, fitness centers, hotels, and home gyms.

Multiple Length Options

Available in four pin lengths to fit a variety of indoor cycle adjustment systems.

🚴 Common Applications

• Seat height adjustment
• Seat fore/aft positioning
• Handlebar height adjustment
• Handlebar fore/aft positioning
• Indoor cycle frame positioning systems
• Commercial spin bike maintenance and repair

📏 How to Choose the Correct Size

Step 1 – Verify Thread Size

Confirm your bike uses:

M16 × 1.5 Thread

Step 2 – Measure Pin Extension Length

Available options:

• 18mm (0.71")
• 20mm (0.79")
• 25mm (0.98")
• 27mm (1.06")

Step 3 – Verify Pin Diameter

Confirm:

8mm (5/16") locking pin diameter

✅ Benefits

• Fast seat and handlebar adjustments
• Secure positive locking engagement
• High-visibility yellow adjustment knob
• Commercial-grade durability
• Multiple size options available
• Ideal replacement for worn or damaged adjustment pins

⚠️ Important Fitment Information

Please verify:

• M16 × 1.5 thread size
• 8mm (5/16") locking pin diameter
• Required pin length (18mm, 20mm, 25mm, or 27mm)

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 critical for rider comfort, bike stability, and workout safety. Secure seat and handlebar positioning improves performance while reducing wear on adjustment mechanisms.

•  indoor Cycle Parts | Pop Pins | Knobs | Levers | Resistance