- Wide compatibility: Seamlessly compatible with various 12-speed direct-mount chains, enabling efficient and effective use across a wide range of applications. - Durable and reliable: Specially designed tool built from high-quality materials to ensure smooth and efficient operation every time. - Scratch protection: Double rubber-ring design provides a stable, secure fit, protects crank arms from scratches, and prevents wobble for reliable performance. - Seamless functionality: Precision-machined tool for removing direct-mount chains with a gentle fit, ensuring smooth installation and removal without jammed operation due to exact dimensions. - Use scenarios: - Road and mountain bike maintenance: Removing and installing 12-speed direct-mount chains during routine service or chain replacements. - Bike shop workflow: Quick, precise chain removal and reinstallation to streamline professional servicing. - On-ride field adjustments: Portable tool for reliable chain maintenance during trips or on-the-go repairs.