Exercise for Bike Adjustment Knob with Spring, 12x1.0mm Thread, Metal and Plastic Fitness Equipment Replacement Part for Strength Training Machines, Black (2-Pack)

Exercise for Bike Adjustment Knob with Spring, 12x1.0mm Thread, Metal and Plastic Fitness Equipment Replacement Part for Strength Training Machines, Black (2-Pack)

• Metal Exercise For Bike Knob: 2pcs black fitness adjustment knobs with spring-loaded design for easy and secure installation on exercise bikes, strength machines, weight benches, and other fitness equipment; built-in spring mechanism loosening during intense workouts
• Long Lasting Performance: Made of metal and plastic composite material, these 53mm long, 25mm diameter knobs offer reliable durability and resistance to wear; 12*1.0mm threaded stem fits most standard fitness equipment requiring a general replacement knob
• Secure Grip Design: Features an anti-slip textured for firm handling, even with sweaty hands; ergonomic ball pin shape allows quick adjustment while exercising without the need for tools or additional hardware
• Stable Installation Mechanism: Spring-loaded core insures tight fit and avoids accidental disengagement; designed to maintain consistent tension on adjustable parts of fitness machines for uninterrupted use during training
• For Easy Replacement Upgrade: Direct swap for worn or missing knobs on fitness gear; compatible with various exercise bikes and strength training equipment needing a 12*1.0mm threaded knob—simply insert and lock into place