Foldable bicycle chain guide that prevents chain drop and protects your drivetrain. Foldable design for compact storage and easy transport. This chain guide supports a smooth ride on a variety of terrains. It is suitable for daily commuting, outdoor exploration, and mountain biking, helping maintain chain tracking for a steady ride. Ideal for riders who want extra stability. Suitable for mountain bikers, racing adventurers, and long-distance riders seeking improved chain alignment and reduced wear. Enhanced performance. Keeps the chain aligned, reduces drivetrain wear, and contributes to more efficient power transfer. Use cases: - Daily city commuting with mixed road and light off-road surfaces - Technical trail riding and mountain biking on uneven terrain - Endurance or long-distance tours across varied surfaces Notes: Designed to align with standard drivetrain setups and to withstand regular riding demands, helping you ride with confidence across conditions.