ISCG03/05 COMPATIBILITY Specifically engineered to fit ISCG 03 and ISCG 05 threaded bottom brackets, this stabilizer is designed for integration with 1x systems to enhance biking performance. LIGHTWEIGHT ABS PLASTIC CONSTRUCTION Made from lightweight ABS plastic, the chain guide reduces overall bike weight without sacrificing strength or functionality. PROTECTIVE ENCLOSED DESIGN The enclosed design shields the drivetrain from debris such as rocks and roots, enabling confident rides on challenging trails. MOUNTING OPTIONS With adjustable mounting capabilities, this stabilizer provides a tailored fit according to your sprocket size and helps prevent unwanted contact with the chain or crank arms. Use scenarios Upgrading a trail or all mountain bike to a 1x drivetrain: install on ISCG 03/05 bottom brackets to improve chain retention and protect the drivetrain on rocky, rooty singletrack. Riding rugged terrain or enduro courses: rely on the enclosed design to minimize debris intrusion and reduce the risk of chain derailment while tackling technical sections. Bikes with varying sprocket sizes or aftermarket chainrings: take advantage of the adjustable mounting to ensure proper alignment and clearances between the chain and crank arms.