<p><b>Description:</b></p><p>[Design]: Exercise Bike Resistance Knob for most bikes and Exercise Bike.</p> <p>[Material]: Made of plastic and metal material, durable and functional.</p> <p>[Feature]: The knob small and portable, will not scratch your hands due to winding.</p> <p>[Easy to install]: The knob is easy to use and quick to install, it will not take up too much time for you, and it is very convenient.</p> <p>[Applications]: The Bike Knob Exercise Bike Accessory is widely suitable for strength and fitness equipment, exercise bikes, etc.</p><p><b>Specification:</b></p><p> <p> <p>Material: plastic</p> </p> </p><p><b>Size Chart:</b></p><p>8 gears: 55cm/21.65inch<br>10 gears:110cm/43.31inch</p><p><b>Package Includes:</b></p><p>1 Piece Exercise Bike Resistance Knob</p><p><b>Note:</b></p><p>Please allow slightly errors due to manual measurement and different monitors.</p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p>