- Note: Designed specifically for threaded bottom brackets; not compatible with press-in types. - Compatibility: This BB bottom bracket chain stabilizer accommodates 30-40T round discs, making it an ideal choice for a wide range of biking applications. - Quality Material: Crafted from high-strength aluminum alloy, this mountain bike chain guide undergoes heat treatment and CNC machining. Its lightweight design and superior craftsmanship ensure long-lasting performance. - Durability: Engineered to resist wear and deformation, this bike chain protector is built to endure the challenges of cycling, providing reliable protection for your drivetrain. Use Scenarios: - Ideal for mountain biking where rough terrain can cause chain drops, ensuring smooth gear transitions and enhanced performance. - Perfect for long-distance cycling, where chain stability is crucial for maintaining efficiency and reducing maintenance needs. - Suitable for competitive cycling, offering the precision and durability needed for high-stakes races.