Bike Chain Tensioner Chainring Tensioner Rear Derailleur Zipper Folding Bike Chain Guide Pulley Outdoor Bicycle Adjuster Parts

Material: Aluminum AlloyProduct size: about 7.27x2.65x1.42cm/2.86x1.04x0.56 inchesColor: Black,Weight: about 40g/1pcsQuantity:3/6pcsNotice: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

• Universal Bike Compatibility: Offers a secure, consistent fit for all single-speed bicycles including mountain bikes, road bikes and folding bikes, delivering a versatile maintenance solution to keep your chain running smoothly regardless of frame model
• Tool-Free Effortless Installation: Features a simple, hassle-free setup with no specialized tools required for fast chain alignment and adjustment, getting you back on the road with minimal downtime
• Frame & Chain Protective Design: Precisely guides the chain to maintain steady tension, prevents unexpected chain slippage and shields your bike frame from scuffs, scratches and contact marks
• Sleek Low-Profile Styling: Boasts a smooth, integrated finish that blends seamlessly with your bike’s aesthetic, elevating its look for daily commuting, casual rides and weekend adventures
• Heavy-Duty Long-Lasting Build: Constructed with rugged, wear-resistant materials built to endure regular riding conditions, providing consistent, reliable performance ride after ride