25 Pcs Chain Tensioner Fastening Bolt Bicycle Chain Adjustment

※General Usage Guidelines: Align the tensioner with the bicycle axle during installation and secure firmly before adjusting the spring for optimal chain tension. Regularly inspect pulley rotation and spring tightness to maintain stable operation. Clean the surface with a dry cloth using physical wiping; store in a dry indoor area away from heavy impact and sharp objects when not in useMaterial: Metal Size: As shown in the pictureQuantity: 25 pieces Package contents: 25 bicycle chain adjustment bolts Features and specifications Used as a fastening adjustment bolt for bicycle chains;- Made of steel, sturdy and durable in use;- Equipped with built-in sealing washer nuts to enhance fastening effect;Notice:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Picture just as a reference.the actual delivered goods shall prevail2. Please allow 0-1inch deviation exists due to the different measuring way

• Precise Physical Tension Control: Features floating pulley and spring adjustment mechanism to regulate chain tension through physical interaction. The adjustable structure keeps the chain in stable position during riding, avoiding looseness and ensuring smooth power transfer without relying on chemical or biological means
• Durable Physical Construction: Crafted with high-strength material for excellent wear resistance and structural stability. The robust physical design withstands frequent riding impacts, resisting deformation and maintaining performance over long-term use through pure material strength
• Sleek Visual Enhancement: Boasts smoothly crafted surfaces and edges (free of burrs) with anodized finish for bright, vivid colors. This physical design adds a stylish, modern touch to your bicycle, elevating its visual appeal without compromising riding functionality
• Physical Component Protection: Creates a physical barrier between chain and frame via strategic positioning, reducing direct contact and associated scratch risks. The pulley system guides the chain to stay aligned, avoiding tangles through mechanical placement rather than chemical treatments
• Tool-Free Universal Installation: Requires no complex tools for setup, enabling quick and straightforward assembly in minutes. Works seamlessly with single-speed mountain bikes, road bicycles and other similar cycling models, meeting diverse riding needs