Niuohoy
M16 Pull Pin Knob 2PCS Spring Adjustment Fitness Pop-up Knob Exercise Bike Replacement Parts for Fitness Equipment
M16 Pull Pin Knob 2PCS Spring Adjustment Fitness Pop-up Knob Exercise Bike Replacement Parts for Fitness Equipment
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About This
- 【Perfect Replacement Part】for replacing the adjustment buttons on your fitness equipment!
- 【Size】Thread specification M16, Overall Length - 61mm/2.4in; Thread Length - 20mm/0.8in; Thread Diameter - 15.4mm/0.6in. ( More detailed dimensions are shown in the picture.)
- 【Easy to Use】The handle of the button is made of high-quality plastic with injection molding process and a curved design that makes it easy to install and won't scratch your hand.
- 【Compact & Practical】Doesn't take up much space, easy to carry, can be placed anywhere.
- 【Wide Range of Applications】The adjustment button can be used on a variety of equipment, such as exercise bike, weight bench, squat machine, strength equipment, fitness equipment and so on.
Overview
- Material : Plastic, Metal
- Brand : Niuohoy
- Color : Black
- Product Dimensions : 5.1"L x 3.1"W
- Exterior Finish : Plastic
- Style Knobs : Handle Type Knob
- : Style Knobs
- : Handle Type Knob
- Shape Round : Finish Type Plastic
- : Shape Round
- : Finish Type Plastic
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Whether you’re pushing toward new goals, staying consistent, or starting fresh, Smartfitpro is here to fuel your progress and empower your lifestyle.

Support every step of your fitness journey.
At Smartfitpro, we believe fitness is more than a workout—it’s a lifestyle of strength, energy, and well-being. Our mission is to provide high-quality fitness gear and wellness products that elevate your training experience, helping you feel motivated, powerful, and unstoppable.
Review
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⭐️⭐️⭐️⭐️⭐️
The dumbbells are well-balanced and comfortable to hold. They’ve helped me improve my strength training effectively.
Jason M. -
⭐️⭐️⭐️⭐️⭐️
I love the quality of the yoga mats here. They provide excellent grip and cushioning, making my practice much better.
Emily R. -
⭐️⭐️⭐️⭐️⭐️
These workout bands are perfect for my home routine. Durable, stretchy, and comfortable to use every day.
David L.
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Frequently Asked Question
How long does shipping take?
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.