- D-Type Mounting System: This bike chain guide features a D-type mounting system, ensuring secure and stable installation on your bicycle. Compatible with Type E derailleur mounts (not suitable for Jeffsy), it provides a reliable solution for chain drop and stabilization. - Precision CNC Machining: The main body of this chain guide is fully CNC-machined, resulting in a robust product with a perfect fit. This high-quality manufacturing enhances performance and durability, making it a dependable choice for avid cyclists. - Adjustable and Noise Reduction: Designed with a nylon plastic guide, this chain guide allows for easy adjustment to accommodate various chain sizes. It effectively reduces noise during rides, contributing to a smoother and more enjoyable cycling experience. - Wide Compatibility: This DH direct-mount chain guide is compatible with a range of systems. It supports round chainrings from 30T to 40T and oval chainrings from 30T to 38T, offering versatility to meet different riding preferences. Use Scenarios: - Ideal for downhill mountain biking, where chain stability is crucial for performance. - Perfect for trail riding, ensuring that your chain remains secure on uneven terrain. - A great choice for competitive cyclists looking to optimize their bike's performance while minimizing noise. This chain guide is designed to enhance your cycling experience with its innovative features and reliable compatibility.